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參數資料
| 型號： | HTG1390 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | 4-bit Microcontroller |
| 中文描述： | 4位微控制器 |
| 文件頁數： | 18/27頁 |
| 文件大?。?/td> | 427K |
| 代理商： | HTG1390 |
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DEC [R3R2]
Machine code
Description
Decrement data memory
0 0 0 0 1 1 1 1
Data in the data memory specified by the register pair “R3,R2” is decre-
mented by one. Carry flag is not affected.
M(R3,R2)
←
M(R3,R2)–1
Operation
DI
Machine code
Description
Disable interrupt
0 0 1 0 1 1 0 1
Internal time-out interrupt and external interrupt are disabled.
EI
Machine code
Description
E nable interrupt
0 0 1 0 1 1 0 0
Internal time-out interrupt and external interrupt are enabled.
HALT
Machine code
Description
Operation
Halt system clock
0 0 1 1 0 1 1 1 0 0 1 1 1 1 1 0
Turn off system clock, and enter power down mode.
PC
←
PC+2
IN A,Pi
Machine code
Input port to accumulator
PS 0 0 1 1 0 0 1 1
PP 0 0 1 1 0 1 0 0
The data on port “Pi” is transferred to the accumulator.
ACC
←
Pi; Pi=PS or PP
Description
Operation
INC A
Machine code
Description
Operation
Increment accumulator
0 0 1 1 0 0 0 1
Data in the accumulator is incremented by one. Carry flag is not affected.
ACC
←
ACC+1
INC Rn
Machine code
Description
Increment register
0 0 0 1 n n n 0
Data in the working register “Rn” is incremented by one. Carry flag is not
affected.
Rn
←
Rn+1; Rn=R0~R4 for nnn=0~4
Operation
HTG1390
Preliminary
18
17th Nov ’98
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相關代理商/技術參數 |
參數描述 |
|---|---|
| HTG1395 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:3-in-1 LCD Game |
| HTG13A0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| HTG13B0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
| HTG13J0 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:4-Bit Microcontroller |
| HTG13Q0 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller |
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