參數(shù)資料
型號: S1C63406F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.2 MHz, MICROCONTROLLER, PQFP128
封裝: PLASTIC, TQFP15-128
文件頁數(shù): 16/144頁
文件大?。?/td> 1160K
代理商: S1C63406F
104
EPSON
S1C63406 TECHNICAL MANUAL
CHAPTER 5: SUMMARY OF NOTES
CHAPTER
5SUMMARY OF NOTES
5.1 Notes for Low Current Consumption
The S1C63406 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
Internal logic system voltage regulator
LCD system voltage circuit
SVD circuit
Heavy load protection
Control register
HALT instruction
CLKCHG, OSCC
VDC1, VDC0
LPWR, VCCHG
SVDON
HLMOD
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")
Internal logic system voltage regulator
: Low speed side 1.1 V (VDC1–VDC0 = "0H")
LCD system voltage circuit
: OFF status (LPWR = "0")
VS2 standard (VCCHG = "1") when VDD is 2.5 V or more
SVD circuit
: OFF status (SVDON = "0")
Heavy load protection
: OFF status (HLMOD = "0")
The reset circuit increases current consumption. In particular, current consumption in reset status will be
greatly increased. See Chapter 7, "Electrical Characteristics", for details. 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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