參數(shù)資料
型號: UPD17207
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND A/D CONVERTER FOR INFRARED REMOTE CONTROL TRANSMITTERS
中文描述: 4位單片機(jī)與LCD控制器/驅(qū)動器和A / D轉(zhuǎn)換器紅外遙控遞質(zhì)
文件頁數(shù): 82/120頁
文件大小: 516K
代理商: UPD17207
μ
PD17201A, 17207
82
13.4
CONDITIONS OF EXECUTING AN HALT INSTRUCTION
The STOP instruction can be executed only under a specific condition for prevention of malfunction. See Table
13-5.
The STOP instruction which does not satisfy the conditions listed in Table 13-5 is treated as an NOP instruction.
Table 13-5 Conditions of Executing the STOP Instruction
Operand Value
Execution Condition
1)
The interrupt request flag should be reset for an interrupt whose enable flag
(IPWTM, IPSIO, or IP) is on (“1”)
All of pins P0A
0
to P0A
3
should be high input or output.
All of pins P0B
0
to P0B
3
should be in output mode and output latch should be “0”.
1000B
(08H)
2)
3)
Others
Inhibited
Fig. 13-1 Releasing Standby Mode
(a) Releasing STOP mode by interrupt
Remark
The dotted line indicates when the interrupt that has released the standby mode is accepted
(b) Releasing HALT mode by interrupt
Remark
The dotted line indicates when the interrupt that has released the standby mode is accepted
STOP
instruction
Wait
(time set by TMM)
HALT mode
Oscillation
Operation mode
STOP mode
Oscillation stops
Operation mode
Oscillation
Standby
release signal
Clock
HALT
instruction
Oscillation
Operation mode
HALT mode
Operation mode
Standby
release signal
Clock
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