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參數資料
型號: W742C813
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4-BIT, MROM, 3.58 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁數: 15/56頁
文件大?。?/td> 455K
代理商: W742C813
W742E/C813
Publication Release Date: December 2000
- 15 -
Revision A1
011011 = Data bank 27 (0D80H - 0DFFH)
011100 = Data bank 28 (0E00H - 0E7FH)
011101 = Data bank 29 (0E80H - 0EFFH)
011110 = Data bank 30 (0F00H - 0F7FH)
011111 = Data bank 31 (0F80H - 0FFFH)
100000 = Data bank 32 (1000H - 107FH)
100001 = Data bank 33 (1080H - 10FFH)
100010 = Data bank 34 (1100H - 117FH)
100011 = Data bank 35 (1180H - 11FFH)
100100 = Data bank 36 (1200H - 127FH)
100101 = Data bank 37 (1280H - 12FFH)
100110 = Data bank 38 (1300H - 137FH)
100111 = Data bank 39 (1380H - 13FFH)
5.4.5 RAM Addressing Mode
1. Direct Addressing
Example:
MOV DBKRL,#BL_value ; set RAM bank
MOV DBKRH,#BH_value
MOV A,RAM ; get RAM data to ACC
2. Working register Addressing
Bit 12-0 12 11 10 9 8 7 6 5 4 3 2 1 0
BH1 BH0 BL3 BL2 BL1 BL0 RA6 RA5 RA4 RA3 RA2 RA1 RA0
RAM addr
RA0-6 is RAM address ; BL0-3 is DBKRL register ; BH0-1 is DBKRH register
Example:
MOV DBKRL,#BL_value ; set RAM bank
MOV DBKRH,#BH_value
MOV WRP,#I ; set WR page register
MOVA WRn,RAM ; mov RAM data to Working register and ACC
Bit 7-0 7 6 5 4 3 2 1 0
WP3 WP2 WP1 WP0 WA3 WA2 WA1 WA0
RAM addr
WA0-3 is Working register address ; WP0-3 is WR page register(WRP)
相關PDF資料
PDF描述
W742C814 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
W742E813 4-BIT MICROCONTROLLER
W742C81A 4-BIT MICROCONTROLLER
W742S819 4-BIT TELEPHONE CONTROLLER
W742S81A 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
相關代理商/技術參數
參數描述
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W742CE811 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER