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參數(shù)資料
| 型號： | UPD753304 |
| 廠商： | NEC Corp. |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
| 中文描述： | 4位單片機(jī)的小型通用紅外遙控器 |
| 文件頁數(shù)： | 26/56頁 |
| 文件大?。?/td> | 374K |
| 代理商： | UPD753304 |
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26
μ
PD753304
8. STANDBY FUNCTION
In order to reduce power dissipation while a program is in a standby mode, two types of standby modes (STOP
mode and HALT mode) are provided for the
μ
PD753304.
Table 8-1. Operation Status in Standby Mode
Item
Mode
STOP mode
HALT mode
Set instruction
STOP instruction
HALT instruction
System clock for setting
Clock generator
Basic interval timer/
watchdog timer
Timer counter
LCD control/driver
Watch timer
External interrupt
CPU
Release signal
Oscillation of main system clock is
stopped. Setting the sub oscillation
circuit stop enable flag (SOS.3) to 1 also
stops oscillation of the subsystem clock.
Operation stopped
Operation possible only when SOS.3 is
set to 0 and f
CT
is selected as count
clock.
Operation possible only when SOS.3 is
set to 0 and f
CT
is selected as LCDCL.
Operation possible only when SOS.3 is
set to 0 and f
CT
is selected as count
clock.
Can be set by either main system clock or subsystem clock.
Operating
status
Operation possible only when SOS.3 is set to 0.
Operation stopped
Generation of an interrupt request signal from hardware whose operation is
enabled by an interrupt enable flag or RESET signal.
Only CPU clock
Φ
is stopped (oscillation
continues.)
Operates only when main system clock
is oscillating
BT mode : Sets IRQBT at reference
time intervals
WT mode: Generates reset signal
when BT overflows
Operation impossible only when a
divided main system clock is selected
as count clock when the main system
clock is stopped.
Operation possible
Operation possible
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| UPD753304P | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| UPD7554AG-597-E2 | 制造商:Renesas Electronics Corporation 功能描述: |
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| UPD7554AG-603-E2 | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD7554AG-603-E2-A | 制造商:Renesas Electronics Corporation 功能描述: |
| UPD7554AG-611-E2 | 制造商:Renesas Electronics Corporation 功能描述: |
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