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參數資料
| 型號： | HT48E50 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | I/O Type 8-Bit MTP MCU With EEPROM |
| 中文描述： | I / O型8位微控制器帶有EEPROM中期計劃 |
| 文件頁數： | 35/46頁 |
| 文件大小： | 303K |
| 代理商： | HT48E50 |
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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)
TO
PDF
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)
TO
PDF
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)
TO
PDF
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)
TO
PDF
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)
TO
PDF
OV
Z
AC
C
HT48E50
Rev. 0.00
35
September 29, 2004
Preliminary
相關PDF資料 |
PDF描述 |
|---|---|
| HT48R05A-1 | 8-Bit High Performance RISC-like OTP Microcontroller(8位、高性能、類似RISC、一次可編程微控制器，用于多I/O接口設備) |
| HT48R05A | 8-Bit OTP Microcontroller |
| HT48R06A-1 | 8-Bit High Performance RISC-like OTP Microcontroller(8位、高性能、類似RISC、一次可編程微控制器，用于多I/O接口設備) |
| HT48R10A-1 | 8-Bit High Performance RISC-like Microcontroller Suitable for Multiple I/O Application(高性能、指令類似RISC的8位微控制器，用于多I/O接口設備) |
| HT48R10A | 8-BIT MICROCONTROLLER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT48E70 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Type 8-Bit MTP MCU With EEPROM |
| HT48F06E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Flash Type MCU with EEPROM |
| HT48F06E_09 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Flash Type MCU with EEPROM |
| HT48F06E-18DIPLF | 制造商:Holtek Semiconductor Inc 功能描述:8BIT MCU 1K FLASH 1K EEPROM DIP |
| HT48F10E | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:I/O Flash Type MCU with EEPROM |
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