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參數資料
型號: W741E202
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-BIT FLASH MICROCONTROLLER
中文描述: 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, PDSO28
封裝: 0.300 INCH, SKINNY, PLASTIC, SOP-28
文件頁數: 7/84頁
文件大小: 541K
代理商: W741E202
Preliminary W741E20X
Publication Release Date: March 1998
- 7 -
Revision A1
3 2 1 0
7FFH
600H
2048
address
000H
16 bits
2048 x 16-bit
ACC
TABL
x x x x x x y y
TABH
- x x x
ROM address = 600H + Offset/4
Offset
0 1 1 x x x x x
x x x x
Each element (4 bits) of the look-up table
This area can be used to store both instruction code
and look-up table
Figure 1. Program Memory Organization
Data Memory (RAM)
1. Architecture
The static data memory (RAM) used to store data is arranged as 128
×
4 bits. The data memory can
be addressed directly or indirectly. The organization of the data memory is shown in Figure 2.
Working Register
128
address
00H
:
0FH
4 bits
128 x 4-bit
7FH
Figure 2. Data Memory Organization
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