參數(shù)資料
型號(hào)： HT46R221
廠商： Holtek Semiconductor Inc.
英文描述： 8-Bit A/D Type MCU
中文描述： 8位A / D型微控制器
文件頁(yè)數(shù)： 37/46頁(yè)
文件大?。?/td> 390K
代理商： HT46R221
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 in-
struction is skipped. If the result is 0, the following instruction, fetched during the current in-
struction execution, is discarded and a dummy cycle is replaced to get the proper instruction
(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 in-
struction is skipped. The result is stored in the accumulator but the data memory remains un-
changed. 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 cycles).
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
HT46R22/HT46C22
Rev. 1.10
37
October 2, 2002
相關(guān)PDF資料
PDF描述
HT46C23 A/D Type 8-Bit MCU
HT46C24 A/D Type 8-Bit MCU
HT46R24 A/D Type 8-Bit MCU
HT46C46 Cost-Effective A/D Type 8-Bit MCU
HT46C47 Cost-Effective A/D Type 8-Bit MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HT46R23 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:8-Bit OTP Microcontroller
HT46R232 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU
HT46R24 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU
HT46R24_06 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU
HT46R32 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit OTP MCU with OPA
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