參數(shù)資料
型號(hào): S1C621C0D
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 1.3 MHz, MICROCONTROLLER, UUC74
封裝: DIE-74
文件頁數(shù): 14/108頁
文件大?。?/td> 992K
代理商: S1C621C0D
S1C621C0 TECHNICAL MANUAL
EPSON
5
CHAPTER 2: POWER SUPPLY AND INITIAL RESET
CHAPTER
2POWER SUPPLY AND INITIAL RESET
2.1 Power Supply
The S1C621C0 operating power voltage is as follows:
2.2 V to 5.5 V
The S1C621C0 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 regulated voltage circuit
and LCD system voltage booster circuit
Output voltage
VD1
VC1–VC3
Note: External loads cannot be driven by the regulated voltage and voltage booster circuits' output
voltages.
See Chapter 7, "ELECTRICAL CHARACTERISTICS" for voltage values.
External
power
supply
VDD
VD1
VADJ
VC1
VC2
VC3
CA
CB
VSS
VC1
Oscillation
circuit
Internal
circuit
VD1
VC1
VC2
VC3
VDD
VSS
OSC1–OSC4
COM0–COM3
SEG0–SEG33
LCD system
voltage booster
circuit
Oscillation system
regulated voltage
circuit
LCD
driver
LCD system
regulated voltage
circuit
RA1
RA2
Fig. 2.1.1 Configuration of power supply
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