參數(shù)資料
型號: HT48R50A
廠商: Holtek Semiconductor Inc.
元件分類: 數(shù)學處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8位微控制器
文件頁數(shù): 39/46頁
文件大小: 1037K
代理商: HT48R50A
RRA [m]
Rotate right and place result in the accumulator
Description
Datainthespecifieddatamemoryisrotated1bitrightwithbit0rotatedinto
bit 7, leaving the rotated result in the accumulator. The contents of the data
memory remain unchanged.
Operation
ACC.(i)
ACC.7
[m].(i+1); [m].i:bit i of the data memory (i=0~6)
[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
RRC [m]
Rotate data memory right through carry
Description
The contents of the specified data memory and the carry flag are together ro-
tated 1 bit right. Bit 0 replaces the carry bit; the original carry flag is rotated
into the bit 7 position.
Operation
[m].i
[m].7
C
[m].(i+1); [m].i:bit i of the data memory (i=0~6)
C
[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
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
ACC.7
C
[m].(i+1); [m].i:bit i of the data memory (i=0~6)
C
[m].0
Affected flag(s)
TC2
TC1
TO
PD
OV
Z
AC
C
HT48R50A-1
Rev. 1.10
39
July 2, 2001
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