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參數(shù)資料
| 型號： | TS80C31X2 |
| 英文描述： | CONNECTOR DIP 14 PIN TIN IDC |
| 中文描述： | 范控制器串行接口 |
| 文件頁數(shù)： | 11/40頁 |
| 文件大小： | 484K |
| 代理商： | TS80C31X2 |
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Rev. A - Mar. 19, 1999
11
Preliminary
TS80C31X2
ASSEMBLY LANGUAGE
; Block move using dual data pointers
; Destroys DPTR0, DPTR1, A and PSW
; note: DPS exits opposite of entry state
; unless an extra INC AUXR1 is added
;
00A2
AUXR1 EQU 0A2H
;
0000 909000MOV DPTR,#SOURCE
0003 05A2 INC
AUXR1
0005 90A000 MOV DPTR,#DEST
0008
LOOP:
0008 05A2 INC
AUXR1
000A E0
MOVX A,@DPTR
000B A3
INC
DPTR
000C 05A2 INC
AUXR1
000E F0
MOVX @DPTR,A
000F A3
INC
DPTR
0010 70F6 JNZ
LOOP
0012 05A2 INC
AUXR1
; address of SOURCE
; switch data pointers
; address of DEST
; switch data pointers
; get a byte from SOURCE
; increment SOURCE address
; switch data pointers
; write the byte to DEST
; increment DEST address
; check for 0 terminator
; (optional) restore DPS
INC is a short (2 bytes) and fast (12 clocks) way to manipulate the DPS bit in the AUXR1 SFR. However,
note that the INC instruction does not directly force the DPS bit to a particular state, but simply toggles it.
In simple routines, such as the block move example, only the fact that DPS is toggled in the proper sequence
matters, not its actual value. In other words, the block move routine works the same whether DPS is '0' or '1'
on entry. Observe that without the last instruction (INC AUXR1), the routine will exit with DPS in the
opposite state.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TS80C31X2-VIER | 8-bit CMOS Microcontroller 0-60 MHz |
| TS80C31X2-VIEB | 8-bit CMOS Microcontroller 0-60 MHz |
| TS80C31X2-VIED | 8-bit CMOS Microcontroller 0-60 MHz |
| TS80C31X2-VIAB | 8-bit CMOS Microcontroller 0-60 MHz |
| TS80C31X2-VIAD | 8-bit CMOS Microcontroller 0-60 MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS80C31X2_08 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless |
| TS80C31X2-ECAB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless |
| TS80C31X2-ECAD | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless |
| TS80C31X2-ECAR | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless |
| TS80C31X2-ECBB | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless |
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