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參數(shù)資料
| 型號： | HT46C22 |
| 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 |
| 文件頁數(shù)： | 37/46頁 |
| 文件大?。?/td> | 390K |
| 代理商： | HT46C22 |
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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 |
|---|---|
| HT46R22 | 8-Bit A/D Type MCU |
| HT46R221 | 8-Bit A/D Type MCU |
| HT46C23 | A/D Type 8-Bit MCU |
| HT46C24 | A/D Type 8-Bit MCU |
| HT46R24 | A/D Type 8-Bit MCU |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT46C23 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU |
| HT46C232 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU |
| HT46C24 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:A/D Type 8-Bit MCU |
| HT46C46 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Cost-Effective A/D Type 8-Bit MCU |
| HT46C46E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Cost-Effective A/D Type 8-Bit MCU |
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