參數(shù)資料
型號: HD404654H
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer
中文描述: 4位單片機
文件頁數(shù): 24/109頁
文件大?。?/td> 430K
代理商: HD404654H
HD404654 Series
24
Operating Modes
The MCU has three operating modes as shown in table 15. The operations in each mode are listed in tables
16 and 17. Transitions between operating modes are shown in figure 11.
Table 15 Operating Modes and Clock Status
Mode Name
Active
RESET
cancellation,
interrupt request,
STOPC
cancellation
in stop mode
Standby
Stop
Activation method
SBY instruction
STOP instruction
Status
System oscillator
OP
RESET
input,
STOP/SBY
instruction
OP
RESET
input,
interrupt request
Stopped
RESET
input,
STOPC
input in stop
mode
Cancellation
method
Note:
OP implies in operation
Table 16 Operations in Low-Power Dissipation Modes
Function
Stop Mode
Standby Mode
CPU
Reset
Retained
RAM
Retained
Retained
Timer A
Reset
OP
Timer C
Reset
OP
Timer D
Reset
OP
Serial 1
Reset
OP
DTMF
Reset
OP
Comparator
Reset
Stopped
I/O
Notes: OP implies in operation
*
Output pins are at high impedance.
Reset
*
Retained
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