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APPLICATIONNOTE_1 [ETC]

32/48 COM Application Circuit|Graphic STN LCD Drivers with Built-in RAM ; 32/48 COM应用电路|与图形STN LCD驱动器内置RAM
APPLICATIONNOTE_1
型号： APPLICATIONNOTE_1
厂家： ETC    ETC
描述：

32/48 COM Application Circuit|Graphic STN LCD Drivers with Built-in RAM
32/48 COM应用电路|与图形STN LCD驱动器内置RAM

驱动器 CD
文件： 总7页 (文件大小：102K)
中文：  中文翻译
下载：  下载PDF数据表文档文件
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EM83040A  
Application note  
SUBJECT:  
1. EM83040A 使用外加電壓線路應用電路圖  
2. 外加電壓驅動電路之電流—電壓曲線(I-V curve)  
Application circuits  
1. 32common * 48segment  
LCD 32*48  
C31  
C0  
S47  
O80.....O1  
S0  
NC  
LOAD  
VDD  
GND  
MAIN  
M1  
VDD  
VDD  
VDD  
VSS3  
VSS2  
CB  
VOUT  
VIN  
U1  
NC  
NC  
GND  
μ
μ
F
10  
F
10  
M0  
EN  
CA  
RAM EN  
RAM ADS  
RAM W  
RAM R  
MCU  
NC  
F
VREG  
V1  
μ
1
VDD  
D2  
V2  
RAM D(3:0)  
1
2
3
4
8
7
6
5
D1  
V3  
Ilcd  
HT7660  
Vlcd  
V4  
V5  
μ
μ
F
10  
F
10  
Figure 1.  
Brad Chen  
1
May 31, 2002  
EM83040A  
Application note  
2. 32common * 128segmet  
C31  
C0  
LCD 32*128  
S79  
O80.....O1  
S0  
S127  
O80.....O1  
S80  
LOAD  
LOAD  
LOAD  
LOAD  
VDD  
VDD  
GND  
MAIN  
M1  
GND  
MAIN  
M1  
NC  
NC  
NC  
NC  
VDD  
VDD  
VDD  
VSS3  
VSS2  
CB  
VSS  
VDD  
VDD  
VSS3  
VSS2  
CB  
Vout  
VIN  
U1  
GND  
NC  
μ
μ
F
10  
F
10  
M0  
M0  
NC  
EN  
CA  
EN  
CA  
RAM EN_M  
RAM ADS  
RAM W  
RAM EN_S  
RAM ADS  
RAM W  
MCU  
MCU  
NC  
NC  
VREG  
V1  
VREG  
V1  
VDD  
RAM R  
RAM R  
1
2
3
4
8
7
6
5
CONNECT  
TO  
V2  
V2  
RAM D(3:0)  
RAM D(3:0)  
D1  
Ilcd  
V3  
V3  
HT7660  
Vlcd  
M ASTER  
CHIP  
D2  
V4  
V4  
V5  
V5  
μ
μ
F
10  
F
10  
MASTER  
SLAVE  
Figure 2.  
Brad Chen  
2
May 31, 2002  
EM83040A  
Application note  
3. 48common * 112 segment  
C47  
C0  
LCD 48*112  
S80  
S111  
S79  
O80.....O1  
S0  
O80.....O1  
LOAD  
LOAD  
LOAD  
LOAD  
VDD  
VDD  
GND  
MAIN  
M1  
GND  
MAIN  
M1  
NC  
NC  
NC  
NC  
VDD  
VDD  
GND  
VSS3  
VSS2  
CB  
GND  
VDD  
GND  
VSS3  
VSS2  
CB  
VIN  
VOUT  
U1  
NC  
NC  
GND  
M0  
M0  
μ
μ
10  
F
10  
F
EN  
CA  
EN  
CA  
RAM EN_M  
RAM ADS  
RAM W  
RAM EN_S  
RAM ADS  
RAM W  
MCU  
MCU  
NC  
NC  
VREG  
V1  
VREG  
V1  
RAM R  
RAM R  
VDD  
CONNECT  
TO  
RAM D(3:0)  
V2  
RAM D(3:0)  
V2  
1
2
3
4
8
7
6
5
V3  
V3  
D1  
M ASTER  
CHIP  
Ilcd  
HT7660  
D2  
Vlcd  
V4  
V4  
V5  
V5  
μ
10  
F
MASTER  
SLAVE  
Figure 3  
Brad Chen  
3
May 31, 2002  
EM83040A  
Application note  
I-V Curve  
此部分經由改變前面之應用電路裏的元件 U1,D1,D2, 配合 VIN 電壓工作範圍，可得到 6 種可供應用之電壓(Vlcd)與  
驅動電流(Ilcd)曲線，如㆘表所示。  
Table 1  
Case  
VIN  
U1  
D1(Diode) D2(Diode)  
VOUT  
3.3V  
3.3V  
3.3V  
3V  
Diagram  
Figure 4  
Figure 5  
Figure 6  
Figure 7  
Figure 8  
Figure 9  
1
2
3
4
5
6
3.6~5 V  
3.6~5V  
3.6~5V  
3.3~5 V  
3.3~5 V  
3.3~5 V  
HT7133  
HT7133  
HT7133  
HT7130  
HT7130  
HT7130  
1N4004  
1N4004  
1N5819  
1N4004  
1N4004  
1N5819  
1N4004  
1N5819  
1N5819  
1N4004  
1N5819  
1N5819  
3V  
3V  
Condition: at +25℃  
I-V Curve U1 (HT7133), D1 (1N4004), D2 (1N4004)  
6.05  
6
5.95  
5.9  
5.85  
5.8  
5.75  
5.7  
5.65  
5.6  
5.55  
5.5  
5.45  
5.4  
5.35  
5.3  
5.25  
0
50  
100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950  
Ilcd (uA)  
Figure 4. Case 1  
Brad Chen  
4
May 31, 2002  
EM83040A  
Application note  
I-V Curve U1 (HT7133), D1 (1N4004), D2 (1N5819)  
6.3  
6.25  
6.2  
6.15  
6.1  
6.05  
6
5.95  
5.9  
5.85  
5.8  
5.75  
5.7  
0
50  
100 150  
200  
250  
300  
350 400  
450  
500  
550  
600 650  
700  
750  
800  
850 900  
950 1000  
Ilcd (uA)  
Figure 5. Case 2  
I-V Curve U1 (HT7133), D1 (1N5819), D2 (1N5819)  
6.55  
6.5  
6.45  
6.4  
6.35  
6.3  
6.25  
6.2  
6.15  
6.1  
0
50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 100 105  
0
0
Ilcd (uA)  
Figure 6. Case 3  
Brad Chen  
5
May 31, 2002  
EM83040A  
Application note  
I-V Curve U1(HT7130), D1 (1N4004), D2 (1N4004)  
5.45  
5.4  
5.35  
5.3  
5.25  
5.2  
5.15  
5.1  
5.05  
5
4.95  
4.9  
4.85  
4.8  
4.75  
4.7  
0
50  
100  
150  
200  
250  
300  
350  
400  
450  
500  
550  
600  
650  
700  
750  
800  
850  
Ilcd (uA)  
Figure 7. Case 4  
I-V Curve U1 (HT7130), D1 (1N4004), D2 (1N5819)  
5.7  
5.65  
5.6  
5.55  
5.5  
5.45  
5.4  
5.35  
5.3  
5.25  
5.2  
5.15  
5.1  
0
50  
100  
150  
200  
250  
300  
350  
400  
450  
500  
550  
600  
650  
700  
750  
800  
850  
900  
Ilcd (uA)  
Figure 8. Case 5  
Brad Chen  
6
May 31, 2002  
EM83040A  
Application note  
I-V Curve U1(HT7130), D1 (1N5819), D2 (1N5819)  
6
5.95  
5.9  
5.85  
5.8  
5.75  
5.7  
5.65  
5.6  
5.55  
5.5  
0
50  
100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950  
Ilcd (uA)  
Figure 9 Case 6  
Brad Chen  
7
May 31, 2002  

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