参数资料
| 型号： | LC75808W-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 13/38页 |
| 文件大小： | 0K |
| 描述： | IC LCD DISPLAY DRIVER 100SQFP |
| 标准包装： | 60 |
| 系列： | * |
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LC75808W
Control Data Functions
1. KC1 to KC6: Key scan output state setting data
These control data bits set the states of the key scan output pins KS1 to KS6.
Output pin
Key scan output state setting data
KS1
KC1
KS2
KC2
KS3
KC3
KS4
KC4
KS5
KC5
KS6
KC6
For example, if KC1 to KC3 are set to 1, and KC4 to KC6 are set to 0, then the output pins KS1 to KS3 will output
high levels (VDD) and the output pins KS4 to KS6 will output low levels (VSS) in the key scan standby state.
Note that key scan output signal is not output from output pins that are set low.
2. PC1 to PC4: General-purpose output port state setting data
These control data bits set the states of the general-purpose output ports P1 to P4.
Output pin
General-purpose output port state setting data
P1
PC1
P2
PC2
P3
PC3
P4
PC4
For example, if PC1 and PC2 are set to 1, and PC3 and PC4 are set to 0, then the output pins P1 and P2 will output
high levels (VDD) and the output pins P3 and P4 will output low levels (VSS).
3. CT0 to CT3, CTC: Display contrast setting data
These control data bits set the display contrast.
CT0 to CT3: Display contrast setting (11 steps)
CT0
0
1
0
1
0
1
0
1
0
1
0
CT1
0
0
1
1
0
0
1
1
0
0
1
CT2
0
0
0
0
1
1
1
1
0
0
0
CT3
0
0
0
0
0
0
0
0
1
1
1
LCD drive 4/4 bias voltage supply VLCD0 level
0.94VLCD=VLCD-(0.03VLCD × 2)
0.91VLCD=VLCD-(0.03VLCD × 3)
0.88VLCD=VLCD-(0.03VLCD × 4)
0.85VLCD=VLCD-(0.03VLCD × 5)
0.82VLCD=VLCD-(0.03VLCD × 6)
0.79VLCD=VLCD-(0.03VLCD × 7)
0.76VLCD=VLCD-(0.03VLCD × 8)
0.73VLCD=VLCD-(0.03VLCD × 9)
0.70VLCD=VLCD-(0.03VLCD × 10)
0.67VLCD=VLCD-(0.03VLCD × 11)
0.64VLCD=VLCD-(0.03VLCD × 12)
CTC: Display contrast adjustment circuit state setting
CTC
0
1
Display contrast adjustment circuit state
The display contrast adjustment circuit is disabled, and the VLCD0 pin level is forced to the VLCD level.
The display contrast adjustment circuit operates and the display contrast is adjusted.
Note that although the display contrast can be adjusted by operating the built-in display contrast adjustment circuit, it
is also possible to apply fine adjustments to the contrast by connecting an external variable resistor to the VLCD4 pin
and modifying the VLCD4 pin voltage. However, the following conditions must be met: (VLCD0 - VLCD4) ≥ 4.5V,
and 1.5V ≥ VLCD4 ≥ 0V.
No.6370-13/38
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相关代理商/技术参数 |
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| LC75808WS-E | 功能描述:LCD 驱动器 RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| LC75808W-SH-E | 功能描述:LCD 驱动器 RoHS:否 制造商:Maxim Integrated 数位数量:4.5 片段数量:30 最大时钟频率:19 KHz 工作电源电压:3 V to 3.6 V 最大工作温度:+ 85 C 最小工作温度:- 20 C 封装 / 箱体:PDIP-40 封装:Tube |
| LC75809PT-H | 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays |
| LC75809PTH-H | 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays |
| LC75809PTS-H | 制造商:ON Semiconductor 功能描述:LCD DISPLAY DRIVER - Trays |
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