參數(shù)資料
型號(hào): S1C63466F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQFP144
封裝: PLASTIC, QFP8-144
文件頁數(shù): 15/135頁
文件大?。?/td> 1053K
代理商: S1C63466F
S1C63466 TECHNICAL MANUAL
EPSON
103
CHAPTER 5: SUMMARY OF NOTES
CHAPTER
5SUMMARY OF NOTES
5.1 Notes for Low Current Consumption
The S1C63466 contains control registers for each of the circuits so that current consumption can be
reduced.
These control registers reduce the current consumption through programs that operate the circuits at the
minimum levels.
The following lists the circuits that can control operation and their control registers. Refer to these when
programming.
Table 5.1.1 Circuits and control registers
Circuit (and item)
CPU
CPU operating frequency
Oscillation system voltage regulator
LCD system voltage circuit
SVD circuit
Control register
HALT instruction
CLKCHG, OSCC
VDC
LPWR
SVDON
Refer to Chapter 7, "Electrical Characteristics" for current consumption.
Below are the circuit statuses at initial reset.
CPU
: Operating status
CPU operating frequency
: Low speed side (CLKCHG = "0")
OSC3 oscillation circuit is in OFF status (OSCC = "0")
Oscillation system voltage regulator
: Low speed side 1.3 V (VDC = "0")
However, it is fixed at 2.2 V when the CR oscillation circuit has
been selected as the OSC1 oscillation circuit. Whether the VDC
register value is "0" or "1" does not matter.
LCD system voltage circuit
: OFF status (LPWR = "0")
SVD circuit
: OFF status (SVDON = "0")
Also, be careful about panel selection because the current consumption can differ by the order of several
A on account of the LCD panel characteristics.
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