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參數(shù)資料
型號(hào): TS80C31X2-VIED
英文描述: 8-bit CMOS Microcontroller 0-60 MHz
中文描述: 8位CMOS微控制器0-60兆赫
文件頁(yè)數(shù): 9/40頁(yè)
文件大小: 484K
代理商: TS80C31X2-VIED
Rev. A - Mar. 19, 1999
9
Preliminary
TS80C31X2
6.2 Dual Data Pointer Register Ddptr
The additional data pointer can be used to speed up code execution and reduce code size in a number of
ways.
The dual DPTR structure is a way by which the chip will specify the address of an external data memory
location. There are two 16-bit DPTR registers that address the external memory, and a single bit called
DPS=AUXR1/bit0(SeeTable5.)thatallowstheprogramcodetoswitchbetweenthem(RefertoFigure 3).
Figure 3. Use of Dual Pointer
External Data Memory
AUXR1(A2H)
DPS
DPH(83H) DPL(82H)
0
7
DPTR0
DPTR1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS80C31X2-VIER 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz
TS80C31X2-VLAB 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-VLAD 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-VLAR 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-VLBB 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
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