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E3501-AL  E3460Z1EN1S  E3460W1EN1S  PBSS4520X  E3500-AL  PBSS4540Z  E3460V1EB1S  E3460Q1EN1S  E3490-AL  E3460Z1EB1S  
SSC050 I2C Backplane Controller
型号:   SSC050
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描述:   I2C Backplane Controller
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品牌   EIC [ EIC DISCRETE SEMICONDUCTORS ]
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SSC050
I
2
C Backplane Controller
Product Brief
Overview
The SSC050 I C Backplane Controller is a CMOS
integrated circuit, which enables a system designer
to reduce system cost by integrating all of the digital
logic typically required in a storage enclosure. The
SSC050 may be used in any embedded control
application including parallel SCSI, Fibre Channel
or any other application where the monitoring and
control of a large number of digital I/O signals is
required.
Programming the SSC050 is easy
through a convenient programming model, which
reduces the overall duration of the design-in cycle.
Data is read and written to the device over an
addressable (3-bit) I
2
C serial interface, allowing
multiple SSC050 devices on a single two-wire bus.
2
I
2
C Serial Interface
The SSC050 uses an I
2
C serial interface to
communicate with embedded controllers such as
Vitesse’ SSC100/200 and VSC205/210. The slave
s
interface on the SSC050 uses a three-bit (A2:0)
addressing scheme for identification on the serial
interface. The ASEL pin determines the four-bit
device type identifier. Up to sixteen, SSC050 or
VCS055 devices may reside on a single I
2
C serial
interface.
I/O Pins
The SSC050 has forty bi-directional I/O pins. The
functionality of these pins is configurable via
programming of the SSC050. All I/O pins have a
12mA drive strength and support 3.3V TTL. To
enable the designer to configure and program the
SSC050, the forty I/Os are arranged in registers of
eight pins. Certain groups of pins have additional
functionality beyond simple input or output to
support the integrated fan speed sensors and
FC-AL port bypass control.
Device Features
I C Serial Interface (DC to 400Khz)
4 Fan Speed Monitor Inputs
40 Programmable, Bi-directional I/O Pins
Flexible FC-AL Port Bypass Control Logic
Bit Programmable Interrupt Control
Seven LED Flash Rates
64 PQFP Package
2
Cu or
Optics
PBC_EN
VSC7120
Local I/O (x8)
VSC7120
VITESSE
Embedded
Controller
(SSC100)
Flash
(64K x 8)
PBC_EN1
PBC_EN2
PBC_EN3
PBC_EN4
PBC_EN
X24C16
EEPROM
Drive Bay 1
VSC7122
Drive Bay 2
Drive Bay 3
Drive Bay 4
I
2
C Serial
Interface
Temperature
Sensor (LM75)
VITESSE
Backplane
Controller
(VSC050)
Power Supplies
LEDs (x8)
Fans (x4)
Application for a Single Loop, Single Controller with Four Drives
.
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