參數(shù)資料
型號(hào)： HT48R70A-1
廠(chǎng)商： Holtek Semiconductor Inc.
英文描述： I/O Type 8-Bit MCU
中文描述： I / O型8位微控制器
文件頁(yè)數(shù)： 31/40頁(yè)
文件大?。?/td> 273K
代理商： HT48R70A-1
RRCA [m]
Rotate right through carry and place result in the accumulator
Description
Data of the specified data memory and the carry flag are rotated 1 bit right. Bit 0 replaces
the carry bit and the original carry flag is rotated into the bit 7 position. The rotated result is
stored in the accumulator. The contents of the data memory remain unchanged.
Operation
ACC.i
[m].(i+1); [m].i:bit i of the data memory (i=0~6)
ACC.7
C
C
[m].0
Affected flag(s)
TO
PDF
OV
Z
AC
C
SBC A,[m]
Subtract data memory and carry from the accumulator
Description
The contents of the specified data memory and the complement of the carry flag are sub-
tracted from the accumulator, leaving the result in the accumulator.
Operation
ACC
ACC+[m]+C
Affected flag(s)
TO
PDF
OV
Z
AC
C
SBCM A,[m]
Subtract data memory and carry from the accumulator
Description
The contents of the specified data memory and the complement of the carry flag are sub-
tracted from the accumulator, leaving the result in the data memory.
Operation
[m]
ACC+[m]+C
Affected flag(s)
TO
PDF
OV
Z
AC
C
SDZ [m]
Skip if decrement data memory is 0
Description
The contents of the specified data memory are decremented by 1. If the result is 0, the next
instruction is skipped. If the result is 0, the following instruction, fetched during the current
instructionexecution,isdiscardedandadummycycleisreplacedtogettheproperinstruc-
tion (2 cycles). Otherwise proceed with the next instruction (1 cycle).
Operation
Skip if ([m] 1)=0, [m]
([m] 1)
Affected flag(s)
TO
PDF
OV
Z
AC
C
SDZA [m]
Decrement data memory and place result in ACC, skip if 0
Description
The contents of the specified data memory are decremented by 1. If the result is 0, the next
instruction is skipped. The result is stored in the accumulator but the data memory remains
unchanged. If the result is 0, the following instruction, fetched during the current instruction
execution, is discarded and a dummy cycle is replaced to get the proper instruction (2 cy-
cles). Otherwise proceed with the next instruction (1 cycle).
Operation
Skip if ([m] 1)=0, ACC
([m] 1)
Affected flag(s)
TO
PDF
OV
Z
AC
C
HT48R70A-1/HT48C70-1
Rev. 1.60
31
June 9, 2004
相關(guān)PDF資料
PDF描述
HT48C70 8-Bit Microcontroller Series
HT48CA0-2 Remote Type 8-Bit MCU
HT48RA0 Remote Type 8-Bit MCU
HT48RA0-2 Remote Type 8-Bit MCU
HT48CA0 8-BIT MICROCONTROLLER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT48R70A-1_07 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MCU
HT48RA0 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:Remote Type 8-Bit MCU
HT48RA0(20DIP-A) 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:8-Bit Microcontroller
HT48RA0(20SOIC-A) 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:8-Bit Microcontroller
HT48RA0(24SOIC-A) 制造商:未知廠(chǎng)家 制造商全稱(chēng):未知廠(chǎng)家 功能描述:8-Bit Microcontroller
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