參數(shù)資料
型號(hào)： TS80C52X2-ECED
廠商： TEMIC SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, MICROCONTROLLER, PQFP44
封裝： VQFP-44
文件頁(yè)數(shù)： 2/56頁(yè)
文件大?。?/td> 689K
代理商： TS80C52X2-ECED
Rev. C - Aug. 31, 1999
10
TS80C52X2
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 (See Table 5.) that allows the program code to switch between them (Refer to Figure 3).
Figure 3. Use of Dual Pointer
External Data Memory
AUXR1(A2H)
DPS
DPH(83H) DPL(82H)
0
7
DPTR0
DPTR1
相關(guān)PDF資料
PDF描述
TS80C52X2-VIBB 8-BIT, MROM, 40 MHz, MICROCONTROLLER, PQFP44
TS914AIYDT QUAD OP-AMP, 7000 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO14
TS914IYDT QUAD OP-AMP, 12000 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO14
TS914IYD QUAD OP-AMP, 12000 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO14
TS914AIYD QUAD OP-AMP, 7000 uV OFFSET-MAX, 0.8 MHz BAND WIDTH, PDSO14
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS80C52X2-LCAB 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz
TS80C52X2-LCAD 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz
TS80C52X2-LCAR 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz
TS80C52X2-LCBB 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz
TS80C52X2-LCBD 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:8-bit CMOS Microcontroller 0-60 MHz
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