參數(shù)資料
型號: S1C63653F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, CQFP100
封裝: CERAMIC, QFP15-100
文件頁數(shù): 31/121頁
文件大小: 1127K
代理商: S1C63653F
S1C63653 TECHNICAL MANUAL
EPSON
9
CHAPTER 2: POWER SUPPLY AND INITIAL RESET
CHAPTER
2POWER SUPPLY AND INITIAL RESET
2.1 Power Supply
The S1C63653 operating power voltage is as follows:
Table 2.1.1 Operating voltage
Operating mode
Normal mode
Halver mode
Normal mode
Maximum operating frequency
4 MHz (OSC3)
32 kHz (OSC1 only)
Operating voltage
2.4 V to 3.6 V
1.8 V to 3.6 V
The S1C63653 operates by applying a single power supply within the above range between VDD and VSS.
The S1C63653 itself generates the voltage necessary for all the internal circuits by the built-in power
supply circuits shown in Table 2.1.2.
Table 2.1.2 Power supply circuits
Circuit
OSC1 circuit
Internal circuits
(low-speed operation)
OSC3 and internal circuits
(high-speed operation)
LCD driver
Power supply
Voltage regulator for
OSC1 oscillation circuit
Low-speed operation
voltage regulator
High-speed operation
voltage regulator
LCD system voltage
circuit
Output voltage
VOSC
VD1L
VD3
VC1–VC3
Note: Do not drive external loads with the output voltage from the internal power supply circuits.
See Chapter 7, "Electrical Characteristics", for voltage values and drive capability.
External
power
supply
LCD system
voltage regulator
LCD driver
CC
CD
VDDA
VDD
VD2
VC1
VC2
VC3
CA
CB
VOSC
VD1
VSS
VSSA
VC1
VC2
VC3
VD1L
VOSC
VD3
VD2=1/2 VDD
VD1
Voltage
halver
Voltage booster
LCD system voltage circuit
LPWR
VDC3
VDC2
VDC0
VDC1
Low-speed operation
voltage regulator
Voltage regulator for
OSC1 oscillation circuit
OSC1
oscillation circuit
CPU,
internal circuits
R/f
converter
High-speed operation
voltage regulator
OSC3
oscillation circuit
+
Fig. 2.1.1 Configuration of power supply
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