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參數(shù)資料
| 型號(hào)： | MB89951PFM |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 5 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 0.65 MM PITCH, QFP-64 |
| 文件頁(yè)數(shù)： | 92/110頁(yè) |
| 文件大?。?/td> | 619K |
| 代理商： | MB89951PFM |
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HARDWARE CONFIGURATION
2– 67
(7) Voltage setting at power pins (V3, V2 and V1) for driving LCD
Set the voltages at the LCD power pins (V3, V2 and V1) as shown below.
A connection example for supply power to drive the LCD is shown in
Fig. 2.25.
Fig. 2.25 Connection Examples for Supply Power for Driving LCD
Note: To set a 1/2 bias when using the external dividing resistor (ladder
circuit), short-circuit the pins V2 and V1.
Built-in voltage dividing resistor
The built-in voltage dividing resistors are connected as shown in Fig. 2.26.
Writing 1 at the VSEL bit connects the built-in voltage dividing resistors.
Therefore, write 1 at the VSEL bit to connect the resistors and set 0 to
disconnect the resistors.
The built-in voltage dividing circuit is connected to the VSS through the
transistor within chip. Therefore, the current flowing into the resistor can
be cut when the LCD stops.
V3
V2
V1
1/2 bias
VLCD
1/2 VLCD
1/3 bias
VLCD
2/3 VLCD
1/3 VLCD
VLCD : LCD operating voltage
Peripherals
1/3 bias
V3
V2
V1
VLCD
1/2 bias
VLCD
V3
V2
V1
2R
R
2R
R
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MB89953 | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89953PFM | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB8995X | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89960 | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
| MB89965 | 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:8-bit Proprietary Microcontroller |
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