BP35A1 [ROHM]

BP35A1是支持适用于智能社区的国际无线通信规格标准“Wi-SUN（Wireless Smart Utility Network)”的920MHz区间的特定小功率无线模块。通过内置32bit高功率微控制器，可搭载至各种HEMS设备。适用于HEMS的Wi-SUN对应固件、已获得日本国内无线电法认证，是非常便于客户使用的模块。;


型号：	BP35A1
厂家：	ROHM
描述：	BP35A1是支持适用于智能社区的国际无线通信规格标准“Wi-SUN（Wireless Smart Utility Network)”的920MHz区间的特定小功率无线模块。通过内置32bit高功率微控制器，可搭载至各种HEMS设备。适用于HEMS的Wi-SUN对应固件、已获得日本国内无线电法认证，是非常便于客户使用的模块。通信无线无线模块控制器微控制器
文件：	总22页 (文件大小：599K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

BP35A1 Hardware Specification

2018-10-29

Wireless Module BP35A1

Hardware Specification

Revision 1.0.0

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Revision record

Rev.

1.0.0

Rev. Date

2018/10/29

Items

Issue

Remarks

ROHM

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BP35A1 Hardware Specification

2018-10-29

Notice

● Precaution on using ROHM Products

1) Our Products are designed and manufactured for application in ordinary electronic equipment (such as

AV equipment, OA equipment, telecommunication equipment, home electronics appliances, amusement

equipment, etc.). If you intend to use our Products in devices requiring extremely high reliability (such as

medical equipment, transport equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers,

fuel controllers, car equipment including car accessories, safety devices, etc.) and whose malfunction or

failure may cause loss of human life, bodily injury or serious damage to property (“Special

Applications”), please consult with the ROHM sales representative in advance. Unless otherwise agreed

in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any damages,

expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for

Specific Applications.

2) ROHM designs and manufactures its Products subject to strict quality control system. However,

semiconductor products can fail or malfunction at a certain rate. Please be sure to implement, at your own

responsibilities, adequate safety measures including but not limited to fail-safe design against the

physical injury, damage to any property, which a failure or malfunction of our Products may cause. The

following are examples of safety measures.

[a] Installation of protection circuits or other protective devices to improve system safety.

[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure.

3) Our Products are designed and manufactured for use under standard conditions and not under any special

or extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in

any way responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s

Products under any special or extraordinary environments or conditions. If you intend to use our Products

under any special or extraordinary environments or conditions (as exemplified below), your independent

verification and confirmation of product performance, reliability, etc, prior to use, must be necessary:

[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents

[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust

[c] Use of our Products in places where the Products are exposed to sea winds or corrosive

gases, including Cl₂, H₂S, NH₃, SO₂, and NO₂

[d] Use of our Products in places where the Products are exposed to static electricity or

electromagnetic waves

[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable

items

[f] Sealing or coating our Products with resin or other coating materials

[g] Use of the Products in places subject to dew condensation

4) The Products are not subject to radiation-proof design.

5) Please verify and confirm characteristics of the final or mounted products in using the Products.

6) Confirm that operation temperature is within the specified range described in the product specification.

7) ROHM shall not be in any way responsible or liable for failure induced under deviant condition from

what is defined in this document.

8) This Product may be subjected to radio wave interference from other equipment emitting radio waves.

9) This Product emits radio waves due to the specification. To use equipment emitting radio waves,

certification under the Radio Act should be obtained by region in which the Product is used. For the

standards for certification under the Radio Act to be obtained for the use of this Product, separately

contact your ROHM representative.

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BP35A1 Hardware Specification

Notice

2018-10-29

● Precautions Regarding Application Examples and External Circuits

1) If change is made to the constant of an external circuit, please allow a sufficient margin considering

variations of the characteristics of the Products and external components, including transient

characteristics, as well as static characteristics.

2) You agree that application notes, reference designs, and associated data and information contained in this

document are presented only as guidance for Products use. Therefore, in case you use such information,

you are solely responsible for it and you must exercise you own independent verification and judgment in

the use of such information contained in this document. ROHM shall not be in any way responsible or

liable for damages, expenses or losses incurred by you or third parties arising from the use of such

information.

● Precaution for Electrostatic

This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please

take proper caution in your manufacturing process and storage so that voltage exceeding Products maximum

rating will not be applied to Products. Please take special care under dry condition (e.g. Grounding of human

body / equipment / solder iron, isolation from charged objects, setting of Ionizer, friction prevention and

temperature / humidity control).

● Precaution for Storage / Transportation

1) Product performance and soldered connections may deteriorate if the Products are stored in the places

where:

[a] The Products are exposed to sea winds or corrosive gases, including Cl₂, H₂S, NH₃, SO₂, and NO₂

[b] The temperature or humidity exceeds those recommended by ROHM

Temperature: 5 C – 40 C, Humidity: 40 %RH - 60 %RH

[c] The Products are exposed to direct sunshine or condensation

[d] The Products are exposed to high Electrostatic

2) ROHM shall assure the performance of this Product such as connector fitting performance for a period of

one (1) year after the shipment from ROHM; provided, however, that this shall be limited to the cases

where the foregoing conditions for storage are observed.

3) Store / transport cartons in the correct direction, which is indicated on a carton as a symbol. Otherwise

bent leads, causing the shield case to deform or come off, or other troubles may occur due to excessive

stress applied when dropping of a carton.

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Notice

● Precaution for product label

QR code printed on ROHM product label is for ROHM’s internal use only, and please do not use at

customer site.

● Precaution for disposition

When disposing Products please dispose them properly using an authorized industry waste company.

● Precautions Regarding Intellectual Property Rights

1) All information and data including but not limited to application example contained in this document is

for reference only. ROHM does not warrant that foregoing information or data will not infringe any

intellectual property rights or any other rights of any third party regarding such information or data.

2) ROHM shall not have any obligations where the claims, actions or demands arising from the

combination of the Products with other articles such as components, circuits, systems or external

equipment (including software).

3) No license, expressly or implied, is granted hereby under any intellectual property rights or other rights

of ROHM or any third parties with respect to the Products or the information contained in this

document. Provided, however, that ROHM will not assert its intellectual property rights or other rights

against you or your customers to the extent necessary to manufacture or sell products containing the

Products, subject to the terms and conditions herein.

● Other Matters

1) This document may not be reprinted or reproduced, in whole or in part, without prior written consent

of ROHM.

2) The Products may not be disassembled, converted, modified, reproduced or otherwise changed without

prior written consent of ROHM.

3) In no event shall you use in any way whatsoever the Products and the related technical information

contained in the Products or this document for any military purposes, including but not limited to, the

development of mass-destruction weapons.

4) The proper names of companies or products described in this document are trademarks of registered

trademarks of ROHM, its affiliated companies or third parties.

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1. Structure

Assembly using a printed circuit board

2. Product Name

Hybrid IC

3. Model Name

BP35A1

4. Application

Telecommunication equipment

5. Function

Specified low power radio module (920 MHz band)

6. Absolute Maximum Ratings

Parameter

No.

Symbol

Rating

Unit

Condition

Supply voltage

VDD

V_DIN

V_DO

I_DO

Topr

Tstg

-0.3 to +3.6

-0.3 to VDD+0.3

-8 to +8

°C

Digital input voltage

Digital output voltage

Digital output current

Operating temperature range

Storage temperature range

-20 to +80

(Note) The absolute maximum ratings represent values that shall not be exceeded for even an instant on all

operating or testing conditions.

Design systems with a margin for the ratings listed above.

7. Recommended Operating Conditions

Parameter

No.

Symbol

Specification

Min. Typ. Max.

Unit

Condition

Supply voltage

Operating temperature range

VDD

2.7

-20

3.3

+25

3.6

+80

°C

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8. Major Performance

Parameter

Description

Radio standards

Radio frequency

Modulation method

Data rate

Compliant with ARIB STD-T108

920 MHz band

Binary GFSK

100 kbps

Transmission power

Receiving sensitivity

Frequency deviation

Current consumption

(VDD3.3 V)

20 mW output

-103 dBm (Typ.) (100 kbps, BER<0.1 %)

±20 ppm or less

46 mA (Typ.) [Transmission: 20 mW output]

30 mA (Typ.) [Reception]

9 μA (Typ.) [Sleep state]

(Data rate100 kbps)

Host interface

UART (115,200 bps)

9. Block Diagram

BP35A1

RESETN

ML7396B

MB9AF156

NMIX

TXD

RXD

RTS

CTS

チップアンテナ

Antenna

SDIN

SAW

SDO

SCLK

MCU

SDO

TRX_SW

SCEN

TRX_SW

SCLK

RESET

SWCLK

SWDIO

SWO

SCEN

フィルター

Filter

SINTN

SINT

MD0

36MHz

水晶発振子

VDD_D

36 MHz

32.768 kHz

EEPROM

X'tal

DC3.3V

VDD_D

AVDD_MON

D_MON

VDD

Fig. 1. Block Diagram

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10. Electrical Characteristics

Input current characteristics

(Ta25 °C, VDD3.3 V)

Specification

Parameter

No.

Condition

Unit

Min.

Typ.

Max.

Transmission state (set to 20 mW)

Reception state

Current consumption

(Data rate: 100 kbps)

Sleep state*

μA

(Held by register)^*1

Measurement was made with the terminal of 50-ohm measuring instrument connected with the antenna connector

terminal of the module using RF cable.

Be noted that the parameter marked with “*” represents a design guaranteed value.

*1: Shifted to sleep mode when the “SKDSLEEP” command is executed. No. 5 pin (WKUP pin) is in a High state.

RF characteristics

Measurement conditions: Ta25 °C and VDD3.3 V

Modulation rate: 100 kbps

Modulation method: Binary GFSK

Channel spacing: 400 kHz

Measurement made at the antenna connector terminal of the module

Transmission characteristics

(Ta25 °C, VDD3.3 V)

Specification

Parameter

Condition

20 mW mode

Unit

No.

Min.

Typ.

Max.

Transmission output power

Occupied bandwidth

12.2

12.7

176

13.4

400

dBm

kHz

n2

Adjacent channel leakage power

[ACPR]

Frequency shift [Fdev]*

20 mW mode1 channel

Bandwidth: 200 kHz

-40

-15

dBm

kHz

Be noted that the parameter marked with “*” represents a design guaranteed value.

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Transmission characteristics (continued)

(Ta25 °C, VDD3.3 V)

Specification

Parameter

No.

Condition

Unit

Min.

Typ.

-76

Max.

-36

100 kHz bandwidth below 710 MHz*

1 MHz bandwidth between 710 MHz

and 900 MHz*

100 kHz bandwidth between 900 MHz

and 915 MHz*

dBm

-68

-75

-55

dBm

100 kHz bandwidth between 915 MHz

and 930 MHz (except levels detuned by

400 kHz or less from the center of radio

channels (n2); provided that levels

ranging from 920.5 MHz to 922.3 MHz

and detuned by 300 kHz or less shall be

excluded)*

Spurious emission levels

for transmission

-47

-36

dBm

(in 20 mW mode)

100 kHz bandwidth between 930 MHz

and 1 GHz*

1 MHz bandwidth between 1 GHz and

1.215 GHz*

1 MHz bandwidth over 1.215 GHz (over

second harmonic)

-66

-69

-38

-55

-45

-30

dBm

Be noted that the parameter marked with “*” represents a design guaranteed value.

Reception characteristics

(Ta25 °C, VDD3.3 V)

Specification

Parameter

Condition

Unit

No.

Min.

Typ.

Max.

Minimum receiving sensitivity

BER<0.1 %

100 kbps mode

-103

-95

dBm

13 Maximum receiving input level*

100 kbps mode

dBm

Adjacent interference of C/I performance in a

reception circuit*

Next-adjacent interference of C/I performance

in a reception circuit*

Minimum power detection

(ED value) level*

100 kbps mode

-95

dBm

17 Power detection range*

18 Power detection accuracy*

Dynamic range

-6

Be noted that the parameter marked with “*” represents a design guaranteed value.

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Reception characteristics (continued)

(Ta=25 °C､VDD=3.3 V)

Specification

No.

Parameter

Condition

Unit

Min.

Typ.

-77

Max.

-54

100 kHz bandwidth below 710 MHz*

1 MHz bandwidth between 710 MHz

and 900 MHz*

100 kHz bandwidth between 900 MHz

and 915 MHz*

dBm

-71

-83

-61

-55

-54

dBm

Subsidiary emission levels

100 kHz bandwidth between 915 MHz

and 930 MHz

100 kHz bandwidth between 930 MHz

and 1 GHz*

1 MHz bandwidth over 1 GHz *

-81

-67

-55

-47

dBm

Be noted that the parameter marked with “*” represents a design guaranteed value.

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11. Interface Characteristics

Terminal characteristics (design guarantee values)

(Operating supply voltage: VDD2.7 V to 3.6 V, Ta20 C to 80 C)

Specification

No.

Parameter

Symbol

Condition

(*1)

Unit

Min.

Typ.

Max.

High-level input voltage

Low-level input voltage

Input leak current

VIH1

VIL1

IIL

VDD x 0.8

VDD+0.3

(*1)

-0.3

-5

VDD×0.2

High-level output voltage

Low-level output voltage

Input capacitance

VOH

VOL

CIN

IOH-4 mA (*2)

IOL4 mA (*2)

(*1)

VDD-0.5

VDD

0.4

(*1) Pin shown as “I” in the “I/O” column in “Pin Description” table.

(*2) Pin shown as “O” in the “I/O” column in “Pin Description” table.

UART specification

Parameter

Specification

Baud rate

Data

115,200 bps

8 bits

Parity

Stop bit

Not provided

1 bit

HW flow control

Disabled (Default)(*3)

(*3) UART flow control is disabled (defaulted) when the “WUART 00” is executed.

UART flow control is enabled when the “WUART 80” command is executed.

Every time this command is executed, the setting of the flow control is written and saved to the internal flash memory.

The setting remains saved in the memory even if the power supply is turned ON again. There is a limit to the number

of times to writing data to the flash memory (not more than 10,000 times). This limit to the number of times should be

noted. It is recommended to execute the command just once to make setting of the UART flow control.

You should verify and determine whether to disable or enable the HW flow control.

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Reset characteristics (design guarantee value)

(Operating supply voltage: VDD=2.7 V to 3.6 V, Ta=-20 C to 80 C)

Specification

Parameter

Symbol

Condition

Unit

Min.

500

Typ.

Max.

Reset input time

Tinitx

RESET

Startup time

Insert “WAIT” period of three seconds or more before the first command is issued after turning ON the power supply

or resetting.

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12. Channel Setting

n2 (Bandwidth: 400 kHz, Data rate: 100 kbps)

Unit Channel

Center Frequency

(MHz)

Unit Channel

Number

Center Frequency

Number

(MHz)

43, 44

44, 45

45, 46

46, 47

47, 48

48, 49

49, 50

50, 51

51, 52

52, 53

53, 54

54, 55

55, 56

56, 57

57, 58

58, 59

59, 60

60, 61

924.5

924.7

924.9

925.1

925.3

925.5

925.7

925.9

926.1

926.3

926.5

926.7

926.9

927.1

927.3

927.5

927.7

927.9

33, 34

34, 35

35, 36

36, 37

37, 38

38, 39

39, 40

40, 41

41, 42

42, 43

922.5

922.7

922.9

923.1

923.3

923.5

923.7

923.9

924.1

924.3

This Product is available for use in the range of 33, 34CH (922.5 MHz) to 60, 61CH (927.9 MHz).

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13. Setting of Communication Time Limit and Carrier Sensing Time

This Product has acquired the Technical Regulations Conformity Certification with the settings listed in the table

below. The Products are not allowed to be used with any setting outside the setting range listed below.

Data rate setting

(Number of channels

to use at a time)

Unit Channel

Number

Carrier sensing

time

Transmission

time limit

Total of transmis-

sion time per hour

Pause time

148 μs or more

(Sensing at all

times)

200 ms or less

per transmission

2 ms or

33-61

360 s or less

100 kbps (n2)

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14. List of Pins

Connector for connection of dedicated external antenna

Part Number: MS-156C (Hirose Electric)

Built-in connector of BP35A1 (Receptacle)

Part Number: 20R-JMCS-G-TF(NSA) (JST)

Built-in connector of your equipment (Plug)

Part Number: 20P3.0-JMCS-G-TF(N) (JST)

Pin No.

Pin Name

I/O

Function

VDD

GND

TXD

RXD

Power supply pin

Ground pin

UART data output

UART data input

Wake-up pin*1

H: Normal operation

L: Sleep mode cancel

Reset pin

WKUP

(NMIX)

RESET

Reserve

VDD

Reserve (Ground connection)

Power supply pin

GND

Ground pin

Reserve

CTS

Reserve

RTS

SWCLK

SWDIO

SWO

Reserve (Ground connection)

Reserve (Ground connection)*2

UART notification input*3

Reserve (Open)*2

UART notification output*3

Debug clock input

I/O

Debug data input/output

Debug monitor

Reserve

Reserve (Ground connection or Open)

Debug setting

(Normally set to GND)

MD0

*I/O definition - I: Digital input pin, O: Digital output pin

*1: Shifted to sleep mode when the “SKDSLEEP” command is executed.

Reset to reception mode when Pin No. 5 (WKUP pin) is set to “L.”

*2: When UART flow control is disabled (defaulted) with “WUART 00” command.

*3: When UART flow control is enabled with “WUART 80” command.

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15. Reference Peripheral Circuit Diagrams

(1) Circuit to disable UART flow control and not to use sleep mode

VDD

10k

VDD

GND

RXD(HOST)

TXD(HOST)

<--

-->

TXD

RXD

WKUP

RESET

-->

MD0

20P3.0-JMCS-G-TF(NSA)

20P3.0-JMCS-G-TF(N)

*Pin No. 5 (NMIX/WKUP) can be fixed to High or Low.

*Pin No. 6 (RESET) has a pullup resistor connected internally.

*Pin No. 19 can be open.

(2) Circuit to enable UART flow control and use sleep mode

VDD

GND

RXD(HOST)

TXD(HOST)

WKUP

<--

-->

TXD

RXD

14 CTS

<--

-->

RTS(HOST)

CTS(HOST)

WKUP

RESET

15 RTS

RESET

MD0

20P3.0-JMCS-G-TF(NSA)

20P3.0-JMCS-G-TF(N)

*Pin No. 6 (RESET) has a pullup resistor connected internally.

*Pin No. 19 can be open.

Fig. 6. Reference Peripheral Circuit Diagrams

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16. Outline Dimensions

UNIT:mm

Fig. 7. Outline Dimensions Diagram

*Any defects in the appearance other than scratches and dents harmful to the practical use of this Product are

overlooked.

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17. Product Marking and Labeling Specification

The following items are indicated on the product.

Part mounting surface

Opposite surface

ROHM’s trademark

Label

ROHM’s product name

Serial No.

Construction Design

Certification No.

QR code*1

Technical Regulations

Conformity Certifica-

tion Mark

Manufacturing Lot No.

(7 digits)

(*: Secret serial number)

Fig. 8. Marking Specification

*1 QR code has a product serial number as information.

The design of marking is subject to change without prior notice.

Marking items

: ROHM’s trademark

BP35A1

: ROHM’s product name

408*▲▲▲

: Manufacturing Lot No. (3 digits)

(Example) 408*▲▲▲→ 2014_08^thweek*▲▲▲ Manufactured

(*: Secret serial number)

(▲▲▲: Secret serial number)

R 003-140032

: Construction Design Certification No.

: Technical Regulations Conformity Certification Mark

Labeling items

001D12**********

: Individual address

001D12 (OUI (Vendor ID): ROHM)

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18. Precautions for Mounting

22.0

Antenna block

アンテナ部

Wiring inhibition region

配線禁止領域

Connector for connection

専用外付けアンテナ

of dedicated external

接続コネクタ

antenna

Shield case

シールドケース

Holes for M2 fixing

固定用

screws (in two places)

M2ネジ用穴

（2ヶ所）

Board-to-Board connector

お客様基板接続用

used to connect your printed

B to Bコネクタ

Fig. 9. Precautions for Mounting

circuit board

(1) Do not install formed plain grounding and wiring in any regions overlapping the wiring inhibition area on

your printed circuit board.

(2) Do not install any printed circuit board other than that used to connect BP35A1 and housing in places within 1

cm away from the circumference of the wiring inhibition area, wherever possible.

(3) Do not use any metallic materials for the housing that contains BP35A1.

(4) Do not install any parts other than the designated connector on the bottom of BP35A1.

(5) Be note that the shield case has been connected to the ground potential.

Fixing of this Product

Fix BP35A1 with M2 screw.

Insert a spacer of 3.0 mm in height in a space between your printed circuit board and this module.

Torque the M2 screw to 1 kgf-cm or more while paying careful attention not to excessively fasten the screw.

Nut

BP35A1

Antenna block

Spacer

Your printed circuit board

M2 screw

Fig. 10. Example of Module Fixing Diagram (Side View)

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19. Product Mass

2.5 g

20. Precautions for Use

1)There are cases where serial numbers are not in sequence in the same package.

2)With respect to the soldered portion of a part mounted to this Product, solder fillets are overlooked.

3)With respect to a label affixed to this Product, defects other than “peeling”, “sticking-out”, and “extreme defect

in character recognition” are overlooked.

4)BP35A1 may cause the connector or shield case to come off due to its structure when it receives excessive

vibration or impact. To use this Product in places where the Product can receive vibration or impact, conduct

thorough evaluation in advance.

5)BP35A1 is not designed on the assumption that the connector is connected and disconnected a number of times.

Do not connect and disconnect the connector over 10 times.

6)Mounting the dedicated external antenna to the coaxial connector (used to connect the dedicated external

antenna) of BP35A1 over an extended period of time may cause the internal spring of the connector to lose its

elastic force, thus making the built-in antenna unusable. Do not use the built-in antenna and dedicated external

antenna in combination.

7) Use this Product without cleaning residue of flux.

8) About wireless communication

1. Wireless communication may be unstable due to radio wave environment and communication environment,

does not guarantee 100% data transfer, ROHM shall not be in any way responsible or liable for data is missing.

2. UDP does not provide for the arrival of consecutive packets and data arrival is not guaranteed.

3. Please fully verify with customers before installing this Product in customer's set and doing full-scale

operation.

4. ROHM shall not be in any way responsible or liable for any damage or malfunction caused by data

interception, loss, theft, leakage to a third party.

5. For customers who are verifying points relating to specific communication, please introduce SK Catcher,

of Skyley Networks Inc. As a rule, support of the contents related to communication is prerequisite to notify

Catcher log and SK Catcher product ID number.

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21. Precautions as Radio Equipment

BP35A1 has acquired the “Construction design certification” (Article 38-24 (1) of the Radio Act) for “Radio

Equipment: Specified low power equipment of less than 13 GHz prescribed in Article 2-1 (8) Type of Specified

Radio Equipment.”

Consequently, BP35A1 is available for use as radio equipment only in Japan without making an application for

radio station license.

- Construction Design Certification Number: 003-140032

To safely use BP35A1 as radio equipment, be sure to observe the following.

1) The marking of this Product indicates that it has acquired the “Technical Regulations Conformity Certification”.

Do not erase the marking or affix any label on the marking.

It is also recommended to display the above mark on the part where your product containing BP35C0 is easy to

see.

2) Never disassembly or modify this Product. Doing so may be subject to punishment under the Radio Act.

3) To use the dedicated external antenna, contact your ROHM representative in advance.

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BP35A1 Hardware Specification

2018-10-29

22. Firmware

22.1 Firmware licensing

With respect to the built-in firmware of this Product, agree to the following licensing prior to use.

1) This software is firmware dedicated to BP35A1. Do not use the firmware for any product other than BP35A1.

2) ROHM has the copyright (including the rights prescribed in Articles 27 and 28 of the Copyright Act) and any and

all other intellectual property rights of this Software. This Software shall be licensed only for the use of BP35A1.

3) Do not assign, transfer, sub-license, or lend this Software to any third parties.

4) Reverse engineering, decompilation, disassembly, reproduction, and change of this Software are prohibited.

5) ROHM shall not guarantee any and all operations performed by using this Software.

6) Since this software will be updated, be sure to implement the update function of this software on the customer's set

main unit. Please inquire about the update method separately.

7) In the event of a defect or the like to be attributed to ROHM under normal use for the Software during the first six

(6) months from (1) Initial delivery date of BP35A1 or (2) Date of this specification change, customer must notify

ROHM immediately.

8) Please note that ROHM does not pay any costs (including but not limited to outsourcing expenses, repair expenses,

product collection expenses, alternative procurement costs, etc.) paid by customers from third parties due to

defects etc. without prior consent of ROHM.

9) In any case, the amount borne by ROHM due to defects etc. of the software shall be no more than the last six (6)

months of the total sales value of BP35A1 from ROHM to the customer.

10) If the provisions of Article 22.1 of this specification, the provisions of the basic contract to be concluded, any

contracts and memoranda, incidental thereto, and other specifications of this specification between customer and

ROHM contradict or conflict, the provisions of this section shall prevail.

22.2 Firmware version

1) The version of firmware written to this Product is the latest version at the time when it is manufactured.

2) Firmware may not be the latest version depending on the shipment timing.

3) The version of firmware is subject to change without prior notice. ROHM shall not be in any way responsible or

liable for damages of customers caused by such changes.

4) The version of firmware written to this Product cannot be distinguished by the appearance of the Product.

5) The same firmware is written to products contained in the same package.

22.3 Method for checking firmware version

Firmware version can be checked using the following commands.

- Use “SKVER” command to check stack version.

- Use “SKAPPVER” command to check application version.

For details, refer to information in “BP35A1_command reference.”

22.4 Number of rewritable firmware

The maximum number of times that the firmware of this Product can be rewritten is 1000 times. If you rewrite the

firmware beyond this number, ROHM will not guarantee the operation of this Product.

22/22

BP35A1 [ROHM]

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