參數(shù)資料
型號: HCD40C4344R
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-series microcomputer(4位單片微計算機)
中文描述: 4位HMCS400系列微電腦(4位單片微計算機)
文件頁數(shù): 36/100頁
文件大?。?/td> 610K
代理商: HCD40C4344R
HD404344R Series/HD404394 Series
36
MCU Operation Sequence:
The MCU operates according to the flowcharts shown in figures 14 to 16.
Since
RESET
is asynchronous input, the MCU will be reset in any mode that the MCU is operating in.
The low-power mode operation sequence is shown in figure 16. 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
= 0
RAME = 0
Reset MCU
MCU
operation
cycle
No
Yes
Figure 14 MCU Operation Sequence (Power On)
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