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參數資料
型號: W921C400
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 4-Bit Microcontroller(4位的微控制器)
中文描述: 4-BIT, MROM, 4 MHz, MICROCONTROLLER, PDIP28
封裝: DIP-28
文件頁數: 9/53頁
文件大小: 399K
代理商: W921C400
W921E400A/W921C400
Publication Release Date: July 1999
- 9 -
Revision A3
6.2 RAM Memory Map
000H
Speical Control Register
Serial Buffer Register
Stack Register or
General Register
General Register
03FH
040H
04FH
050H
07FH
080H
0FFH
100H
17FH
180H
1FFH
000
063
064
079
080
127
128
255
256
383
384
511
Working Register
General Register
Serial Buffer Register or
(040H to
0FFH)
(050H to
14EH)
General
Register
Serial
Buffer
Register
Stack
Register
(040H to
1FFH)
6.2.1 Special Control Register Area
There are 64
×
4-bit registers in the special control register area. All control registers such as DTMF
control register, serial speed control register, ..., etc. are in this area. Refer to the following table for
detailed register map.
ADDR.
DESCRIPTION
ABBREVIATION
INITIAL VALUE
000H
Reserved
-
001H
Reserved
-
002H
Reserved
-
003H
Port P4 Pull High Resistor Register
(P4PH)
00H
004H
Port P4 Output Type Register
(P4TP)
00H
005H
Port P6 Pull High Resistor Register
(P6PH)
00H
006H
Port P6 Output Type Register
(P6TP)
00H
007H
Port PAB Pull High Resistor Register
(PABPH)
00H
008H
Port PAB Output Type Register
(PABTP)
00H
相關PDF資料
PDF描述
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相關代理商/技術參數
參數描述
W921C840 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
W921C880 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontroller
W921E400 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E400A 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER
W921E840 制造商:WINBOND 制造商全稱:Winbond 功能描述:4-BIT MICROCONTROLLER