參數(shù)資料
型號: HD404449H
元件分類: 微控制器/微處理器
英文描述: MROM, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 24/33頁
文件大?。?/td> 440K
代理商: HD404449H
HD404449 Series
28
Table 20
Operations in Low-Power Dissipation Modes
Function
Stop Mode
Watch Mode
Standby Mode
Subactive Mode*
2
CPU
Reset
Retained
OP
RAM
Retained
OP
Timer A
Reset
OP
Timer B
Reset
Stopped
OP
Timer C
Reset
Stopped
OP
Timer D
Reset
Stopped
OP
Serial 1, 2
Reset
Stopped*
3
OP
A/D
Reset
Stopped
OP
Stopped
I/O
Reset*
1
Retained
OP
Note:
OP implies in operation
1. Output pins are at high impedance.
2. Subactive mode is an optional function specified on the function option list.
3. Transmission/reception is activated if a clock is input in external clock mode. However, all
interrupts stop.
Table 21
I/O Status in Low-Power Dissipation Modes
Output
Input
Standby mode,
watch mode
Stop mode
Active mode,
subactive mode
D
0–D 11
Retained
High impedance
Input enabled
D
12–D 13
Input enabled
R0–RC
Retained or output of
peripheral functions
High impedance
Input enabled
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