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參數(shù)資料
| 型號： | S1C62920D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 1.3 MHz, MICROCONTROLLER, UUC63 |
| 封裝： | DIE-63 |
| 文件頁數(shù)： | 5/78頁 |
| 文件大?。?/td> | 874K |
| 代理商： | S1C62920D |
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S1C62920 TECHNICAL MANUAL
EPSON
5
CHAPTER 2: POWER SUPPLY AND INITIAL RESET
CHAPTER
2POWER SUPPLY AND INITIAL RESET
2.1 Power Supply
The S1C62920 operating power voltage is as follows:
2.2 V to 5.5 V
The S1C62920 operates when a single power supply within the above range is applied between VDD and
VSS. The IC itself can generate the voltage necessary for the internal circuits with the following built-in
power supply circuit.
Table 2.1.1 Power supply circuit and output voltage
Circuit
Oscillation and internal circuits
LCD driver
Power supply circuit
Oscillation system regulated voltage circuit
LCD system voltage boost/reduction circuit
Output voltage
VD1
VC1–VC3
Note: External loads cannot be driven by the regulated voltage and voltage boost/reduction circuits'
output voltages.
See Chapter 7, "ELECTRICAL CHARACTERISTICS" for voltage values.
Fig. 2.1.1 Configuration of power supply
External
power
supply
VDD
VD1
VC1
VC2
VC3
CA
CB
VSS
Oscillation
circuit
Internal
circuit
VD1
VDD
VSS
OSC1–OSC4
COM0–COM3
SEG0–SEG21
Oscillation system
regulated voltage
circuit
VC1
VC2
VC3
LCD system voltage
boost/reduction
circuit
LCD
driver
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