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參數(shù)資料
| 型號： | C505L |
| 廠商： | SIEMENS AG |
| 英文描述： | Microcontrollers(8位微控制器) |
| 中文描述： | 微控制器（8位微控制器） |
| 文件頁數(shù)： | 8/25頁 |
| 文件大?。?/td> | 113K |
| 代理商： | C505L |
LCD Control
Using the C505L
8 of 25
AP0829 05.99
the voltages that are applied to the crystal must be toggled periodically, the control
scheme becomes even more complicated.
When the LCD controller of the C505L is activated, it applies the voltages shown in Figure
5 to the row (backplane) pins. These signals are periodic and are generated by the LCD
controller with
no CPU intervention
.
Figure 5:
Voltage Applied to the Row Pins
The voltage levels, U1, U2, and U3, are created by the C505L’s on board programmable
D/A converter. U3 is programmable using the on-chip D/A converter, and the voltages for
U1 and U2 are always U3 ÷ 3 and (2÷3)U3, respectively. Since the D/A converter is
programmable, the C505L can be used on a wide variety of LCDs. The value of U3 can
also be changed “on the fly” to adjust the contrast of the display.
U1
U2
U3
R0
Time
U1
U2
U3
R1
Time
U1
U2
U3
R2
Time
U1
U2
U3
R3
Time
1 LCD Frame
1/f
LCD
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| C505-L | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| C505L_1 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| C505L4EMCCFXQMA1 | 功能描述:IC MCU 32BIT 80MQFP 制造商:infineon technologies 系列:* 零件狀態(tài):最後搶購 標(biāo)準(zhǔn)包裝:1 |
| C505L4EMCCFXUMA1 | 功能描述:IC MCU 32BIT 80MQFP 制造商:infineon technologies 系列:* 零件狀態(tài):最後搶購 標(biāo)準(zhǔn)包裝:1 |
| C505-LM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
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