參數(shù)資料
型號(hào)： HT48RA3
廠(chǎng)商： Holtek Semiconductor Inc.
英文描述： 8-Bit Remote Type OTP MCU
中文描述： 8位單片機(jī)的遠(yuǎn)程型檢察官辦公室
文件頁(yè)數(shù)： 27/36頁(yè)
文件大?。?/td> 245K
代理商： HT48RA3
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)
TC2
TC1
TO
PD
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)
TC2
TC1
TO
PD
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)
TC2
TC1
TO
PD
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)
TC2
TC1
TO
PD
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)
TC2
TC1
TO
PD
OV
Z
AC
C
HT48RA3
Rev. 1.20
27
May 12, 2003
相關(guān)PDF資料
PDF描述
HT48RB8 8-Bit USB Type OTP MCU
HT49C10 8-BIT MICROCONTROLLER
HT49C30L HDSP-A101 RED DISPLAY, LED,
HT49R30 DISPLAY 7 SEGMENT
HT49R30A-1 DISPL 7 SEG YELLOW
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT48RA3_07 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:Remote Type 8-Bit MCU
HT48RA3_09 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:HT48RA3/HT48CA3
HT48RA5 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:Remote Type 8-Bit MCU
HT48RA5_07 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:Remote Type 8-Bit MCU
HT48RA5_09 制造商:HOLTEK 制造商全稱(chēng):Holtek Semiconductor Inc 功能描述:Remote Type 8-Bit MCU
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