W921E840A Datasheet, PDF (13/58 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E840A/W921C840
6.2.1 Special Control Register Map, continued
ADDR.
00AH
00BH
00CH
00DH
00EH
00FH
010H
011H
012H
013H
014H
015H
016H
017H
018H
019H
01AH
01BH
01CH
01DH
01EH
01FH
020H
021H
022H
023H
024H
025H
026H
027H
028H
029H
02AH
02BH
DESCRIPTION
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
TM0 LSB Data Register
TM0 Status Register
Reserved or Timer 0 Low Speed Register
TM1 Control Register
TM1 MSB Data Register
TM1 LSB Data Register
TM1 Status Register
TM1 Trigger Condition Register
TM2 Control Register
TM2 MSB Data Register
ABBREVIATION
(SRMNR)
(SRSPC)
(SRINV)
(P2TP)
( P3IO )
( P4IO )
( P5IO )
( P6IO )
(OSCCTR)
(DTMF)
(RCCTL)
(DACTL)
(DALSB)
(DAMSB)
(ANIMUX)
(COMPTR)
(TM1RM)
(TM1RL)
(TM2RM)
(TM2LM)
(TM0CR)
(TM0MSB)
(TM0LSB)
(STTM0)
(TM0LSR)
(TM1CR)
(TM1MSB)
(TM1LSB)
(STTM1)
(TGTM1)
(TM2CR)
(TM2MSB)
INITIAL VALUE
00H
00H
00H
00H
-
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
04H
-
0FH
0FH
0FH
0FH
00H
0FH
0FH
00H
00H
00H
0FH
0FH
00H
00H
00H
0FH
- 13 -
Publication Release Date: July 1999
Revision A3