參數(shù)資料
型號: HD404618FS
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): 31/89頁
文件大?。?/td> 358K
代理商: HD404618FS
HD404618 Series
31
Subactive mode
Interrupt
strobe
Direct transfer
timing
Internal
execution
time
(< T)
Oscillation
stabilization
time
Active mode
T
t
RC
T: Interrupt frame length
t : Oscillation stabilization period
STOP/SBY
execution
(LSON = 0, DTON = 1)
Figure 15 Direct Transfer Timing
MCU Operating Sequence:
The MCU operates in the sequence shown in figures 16 to 18. It is reset by
an asynchronous RESET input, regardless of its state.
The low-power mode operation sequence is shown in figure 18. With the IE flag cleared and an interrupt
flag set together with its interrupt mask cleared, if a STOP/SBY instruction is executed, the instruction is
cancelled (regarded as an NOP) and the following instruction is executed. Before executing a STOP/SBY
instruction, make sure all interrupt flags are cleared or all interrupts are masked.
Power on
RESET = 1
Reset
MCU
MCU
operation
cycle
No
Yes
Figure 16 MCU Operating Sequence (power on)
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