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參數資料
型號: W921E880A
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位微控制器)
中文描述: 4-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP80
封裝: QFP-80
文件頁數: 43/57頁
文件大?。?/td> 372K
代理商: W921E880A
W921E880A/W921C880
Publication Release Date: September 1998
- 43 -
Revision A2
8. SPECIAL CONTROL REG. FORMAT
ADDR.
000H
001H
002H
003H
004H
005H
006H
007H
008H
009H
00AH
00BH
00CH
00DH
00EH
00FH
010H
011H
012H
013H
014H
015H
016H
017H
018H
019H
01AH
01BH
01CH
01DH
01EH
01FH
020H
021H
DESCRIPTION
ABBREVIATION
(SYSCCR)
(BKSR)
-
(P4PH)
(P4TP)
(P6PH)
(P6TP)
(PABCDPH)
(PABCDTP)
(SRLNR)
(SRMNR)
(SRSPC)
(SRINV)
(P2TP)
INITIAL VALUE
00H
02H
-
00H
00H
00H
00H
00H
00H
02H
00H
00H
00H
00H
-
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
04H
-
0FH
0FH
0FH
0FH
00H
0FH
System Clock Control Register
Bank Select Register
Reserved
Port P4 Pull High Resistor Register
Port P4 Output Type Register
Port P6 Pull High Resistor Register
Port P6 Output Type Register
Port PABCD Pull High Resistor Register
Port PABCD Output Type Register
Serial LSB Nibble Register
Serial MSB Nibble Register
Serial Speed Control Register
Serial Clock Inverter Control Register
Port P2 Output Type Register
Reserved
Port P3 I/O Status Control Register
Port P4 I/O Status Control Register
Port P5 I/O Status Control Register
Port P6 I/O Status Control Register
DTMF Oscillation Control Register
DTMF Register
Row/Column Frequency Control Register
D/A Control Register
D/A Converter LSB Data Register
D/A Converter MSB Data Register
Comparator Analog Input Multiplexer
Comparator Control Register
Reserved
TM1 Read Only MSB Data Register
TM1 Read Only LSB Data Register
TM2 Read Only MSB Data Register
TM2 Read Only LSB Data Register
TM0 Control Register
TM0 MSB Data Register
( P3IO )
( P4IO )
( P5IO )
( P6IO )
(OSCCTR)
(DTMF)
(RCCTL)
(DACTL)
(DALSB)
(DAMSB)
(ANIMUX)
(COMPTR)
(TM1RM)
(TM1RL)
(TM2RM)
(TM2LM)
(TM0CR)
(TM0MSB)
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