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HT82B40A 数据表(PDF) 44 Page - Holtek Semiconductor Inc

部件名 HT82B40A
功能描述  I/O 8-Bit MCU with USB Interface
PDF  54 Pages
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制造商  HOLTEK [Holtek Semiconductor Inc]
网页  http://www.holtek.com
标志 HOLTEK - Holtek Semiconductor Inc

HT82B40A 数据表(HTML) 44 Page - Holtek Semiconductor Inc

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RLC [m]
Rotate Data Memory left through Carry
Description
The contents of the specified Data Memory and the carry flag are rotated left by 1 bit. Bit 7
replaces the Carry bit and the original carry flag is rotated into bit 0.
Operation
[m].(i+1)
¬ [m].i; (i = 0~6)
[m].0
¬ C
C
¬ [m].7
Affected flag(s)
C
RLCA [m]
Rotate Data Memory left through Carry with result in ACC
Description
Data in the specified Data Memory and the carry flag are rotated left by 1 bit. Bit 7 replaces
the Carry bit and the original carry flag is rotated into the bit 0. The rotated result is stored in
the Accumulator and the contents of the Data Memory remain unchanged.
Operation
ACC.(i+1)
¬ [m].i; (i = 0~6)
ACC.0
¬ C
C
¬ [m].7
Affected flag(s)
C
RR [m]
Rotate Data Memory right
Description
The contents of the specified Data Memory are rotated right by 1 bit with bit 0 rotated into
bit 7.
Operation
[m].i
¬ [m].(i+1); (i = 0~6)
[m].7
¬ [m].0
Affected flag(s)
None
RRA [m]
Rotate Data Memory right with result in ACC
Description
Data in the specified Data Memory and the carry flag are rotated right by 1 bit with bit 0 ro-
tated into bit 7. The rotated result is stored in the Accumulator and the contents of the Data
Memory remain unchanged.
Operation
ACC.i
¬ [m].(i+1); (i = 0~6)
ACC.7
¬ [m].0
Affected flag(s)
None
RRC [m]
Rotate Data Memory right through Carry
Description
The contents of the specified Data Memory and the carry flag are rotated right by 1 bit. Bit 0
replaces the Carry bit and the original carry flag is rotated into bit 7.
Operation
[m].i
¬ [m].(i+1); (i = 0~6)
[m].7
¬ C
C
¬ [m].0
Affected flag(s)
C
RRCA [m]
Rotate Data Memory right through Carry with result in ACC
Description
Data in the specified Data Memory and the carry flag are rotated right by 1 bit. Bit 0 re-
places the Carry bit and the original carry flag is rotated into bit 7. The rotated result is
stored in the Accumulator and the contents of the Data Memory remain unchanged.
Operation
ACC.i
¬ [m].(i+1); (i = 0~6)
ACC.7
¬ C
C
¬ [m].0
Affected flag(s)
C
HT82B40R/HT82B40A
Rev. 1.70
44
November 5, 2014



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