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參數(shù)資料
| 型號： | UPD75312B |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| 中文描述： | 4位單片機 |
| 文件頁數(shù)： | 31/77頁 |
| 文件大小： | 587K |
| 代理商： | UPD75312B |
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31
μ
PD75312B, 75316B
7.
STANDBY FUNCTION
To reduce the power consumption during program wait, the
μ
PD75316B has two standby modes: STOP mode
and HALT mode.
Table 7-1 Operation Status at Standby Mode
HALT Mode
HALT instruction
Main system clock or subsystem
clock settable
Only CPU clock
Φ
stopped
(oscillation continued)
Operable (IRQBT set at reference time
intervals)
*
Operable
*
Operable
*
Operable
Operable
Interrupt request signal from operable
hardware enabled by interrupt enable
flag, or RESET input
STOP Mode
STOP instruction
Only main system clock settable
Only main system clock oscillation
stopped
Stopped
Operable only when external SCK
input selected as serial clock
Operable only when TI0 pin input
specified as count clock
Operable only when f
XT
selected as
count clock
Operable only when f
XT
selected as
LCDCL
INT1, 2, 4: Operable
Only INT0 inoperable
Stopped
Interrupt request signal from operable
hardware enabled by interrupt enable
flag, or RESET input
Setting instruction
System clock at setting
Clock generator
Basic interval timer
Serial interface
Timer/event counter
Watch timer
LCD controller
External interrupt
CPU
O
*
Cannot be operable during main system clock stop.
Release signal
相關PDF資料 |
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|---|---|
| UPD75312BGC | 4-BIT SINGLE-CHIP MICROCOMPUTER |
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| UPD75316B | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| UPD75316BGC | 4-BIT SINGLE-CHIP MICROCOMPUTER |
| UPD75316BGK | 4-BIT SINGLE-CHIP MICROCOMPUTER |
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