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參數資料
型號: W921E843A
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT MICROCONTROLLER
中文描述: 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數: 48/58頁
文件大小: 449K
代理商: W921E843A
W921E840A/W921C840
- 48 -
9.2.1 Direct Addressing Mode: (2 words/2 cycles)
b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
decoder code
ROM CODE
RAM ADDRESS
Instruction: MOV A, Mx; MOV B, Mx; MOV Mx, A; MOV Mx, B; ..., etc.
9.2.2 Indirect Addressing Mode: (1 word/1 cycle)
b1 b0
b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
b3 b2 b1 b0
b3 b2 b1 b0
U
Register
V
Register
W
Register
RAM ADDRESS
Instruction: MOV A, @M; MOV B, @M; MOV @M, A; ..., etc.
9.2.3 Working Register Addressing Mode: (1 word/1 cycle)
b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
decoder code
0 0 0 1 0 0 m3 m2 m1 m0
ROM CODE
RAM ADDRESS
Instruction: MOV A, WRn; MOV WRn, A; ..., etc.
9.3 Look-up Table Addressing Mode (1 word/2 cycles)
There is one special function look-up table addressing mode in this chip; the instruction is TBL I and
the function is shown in the following table.
相關PDF資料
PDF描述
W921C880 4-Bit Microcontroller(4位微控制器)
W921E880A 4-Bit Microcontroller(4位微控制器)
W921E840 4-Bit Microcontroller(4位的微控制器)
W921E880 4-Bit Microcontroller(4位的微控制器)
W921F840 4-Bit Microcontroller(4位的微控制器)
相關代理商/技術參數
參數描述
W921E880 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E880A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W925C240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller
W925C625 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-bit CID MICROCONTROLLER
W925E240 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Controller