參數(shù)資料
型號： S1C63158D0A010P
元件分類： 微控制器/微處理器
英文描述： 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, UUC53
封裝： DIE-53
文件頁數(shù)： 68/159頁
文件大?。?/td> 1200K
代理商： S1C63158D0A010P
8
EPSON
S1C63808 TECHNICAL MANUAL
CHAPTER 2: POWER SUPPLY AND INITIAL RESET
CHAPTER
2POWER SUPPLY AND INITIAL RESET
2.1 Power Supply
The S1C63808 operating power voltage is as follows:
Table 2.1.1 Operating voltage
OSC3 oscillation circuit
CR (built-in R)
Ceramic or CR (external R)
OSC1 oscillation circuit
Crystal
Operating voltage
1.0 V to 3.6 V
2.1 V to 3.6 V
The S1C63808 operates by applying a single power supply within the above range between VDD and VSS.
The S1C63808 generates the voltages necessary for all the internal circuits and exclusive EPD driver IC by
the built-in power supply circuits shown in Table 2.1.2.
Table 2.1.2 Power supply circuits
Circuit
OSC1 circuit
OSC3 and internal circuits
External EPD driver IC
Power supply
Voltage regulator for OSC1 oscillation circuit
Voltage regulator for internal logic circuit
EPD system voltage circuit
Output voltage
VOSC
VD1
VC1–VC3
Notes: Do not drive external loads with the output voltage from the internal power supply circuits except
for the exclusive EPD driver IC.
See Chapter 7, "Electrical Characteristics", for voltage values and drive capability.
LPWR
External
power
supply
EPD system
voltage regulator
VDD
VC1
VC2
VC3
CA
CB
VOSC
VD1
VSS
VC1
VOSC
VD1
Voltage booster
EPD system voltage circuit
Voltage regulator for
OSC1 oscillation circuit
OSC1
oscillation circuit
OSC3
oscillation circuit
Voltage regulator for
internal logic circuits
+
CPU,
internal circuits
Fig. 2.1.1 Configuration of power supply
2.1.1 Voltage regulator for OSC1 oscillation circuit
This voltage regulator generates the VOSC voltage for driving the OSC1 oscillation circuit and is provided
separately with the voltage regulator for the internal logic system to stabilize the oscillation.
2.1.2 Voltage regulator for the internal logic system
This voltage regulator generates the VD1 voltage for driving the OSC3 oscillation circuit and the internal
logic circuits.
2.1.3 EPD system voltage circuit
The EPD system voltage circuit generates the voltages for an EPD driver IC. This circuit allows the
software to turn on and off. Turn this circuit on before starting display on the EPD. The EPD system
voltage circuit generates VC1 with the voltage regulator built-in, and generates VC2 (VC2 = 2VC1) and VC3
(VC3 = 3VC1 for 1/3 bias, VC3 = VSS for 1/2 bias) by boosting VC1. The VC1 voltage can be adjusted to 8
steps (1.03–1.23 V) for 1/3 bias or 16 steps (1.08–1.84 V) for 1/2 bias (bias can be selected by mask option).
Refer to Section 4.14, "Power Supply for EPD Driver IC", for control of the EPD driver IC voltages.
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