參數(shù)資料
型號: UPD17201AGF
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): 80/120頁
文件大小: 516K
代理商: UPD17201AGF
μ
PD17201A, 17207
80
13.2
CONDITIONS OF EXECUTING AN HALT INSTRUCTION
The HALT instruction can be executed only under a specific condition for prevention of malfunction. See Table
13-3.
The HALT instruction which does not satisfy the conditions listed in Table 13-3 is treated as an NOP instruction.
Table 13-3 Conditions of Executing the HALT Instruction
Operand Value
Execution Condition
0010B
(02H)
1)
The 8-bit timer interrupt request (IRQTM) should be reset.
1)
The interrupt request flag (IRQTM, IRQWTM, IRQSIO, or IRQ) should be reset for
an interrupt whose enable flag (IPTM, 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)
1010B
(0AH)
1)
2)
The 8-bit timer interrupt request (IRQTM) should be reset.
The interrupt request flag (IRQWTM, IRQSIO, or IRQ) should be reset for an interrupt
whose enable flag (IPWTM, IPSIO, or IP) is on (“1”)
Others
Reserved
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