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參數資料
型號: W742E813
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, FLASH, 3.58 MHz, MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 2.75 MM HEIGHT, QFP-100
文件頁數: 8/45頁
文件大?。?/td> 567K
代理商: W742E813
Preliminary W742E81A/W742C81A
- 8 -
The organization of the program
memory is shown in Figure 6-1
.
0000H
:
16 bits
16384 x 16 bits
07FFH
0800H
:
0400H
:
:
:
Each element (4 bits) of the look-up table
03FFH
0FFFH
0C00H
:
0BFFH
1st page
3C00H
:
3FFFH
3BFFH
:
3800H
2nd page
8th page
Look-up0000H
0F:
Look-up1000H
1F:
Look-up2000H
2F:
Look-up3000H
3F:
Look-uE000H
EF:
Look-upF000H
FF:
:
:
:
:
Figure 6-1 Program Memory Organization
6.3.1 ROM Page Register (ROMPR)
The ROM page register is organized as a 4-bit binary register. The bit descriptions are as follows:
W
W
0
1
2
3
ROMPR
W
Note: W means write only.
Bit 3 is reserved.
Bit 2, Bit 1, Bit 0 ROM page preselect bits:
000 = ROM page 0 (0000H - 07FFH)
001 = ROM page 1 (0800H - 0FFFH)
010 = ROM page 2 (1000H - 17FFH)
011 = ROM page 3 (1800H - 1FFFH)
100 = ROM page 4 (2000H - 27FFH)
101 = ROM page 5 (2800H - 2FFFH)
110 = ROM page 6 (3000H - 37FFH)
111 = ROM page 7 (3800H - 3FFFH)
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相關代理商/技術參數
參數描述
W742E816 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
W742E81A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W742S819 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT TELEPHONE CONTROLLER
W742S81A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 BIT MICROCONTROLLER
W742S82A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT TELEPHONE CONTROLLER