W921E400A Datasheet, PDF (10/53 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E400A/W921C400
Special Control Register Map, continued
ADDR.
DESCRIPTION
009H Serial LSB Nibble Register
00AH Serial MSB Nibble Register
00BH Serial Speed Control Register
00CH Serial Clock Inverter Control Register
00DH Port P2 Output Type Register
00EH Reserved
00FH Port P3 I/O Status Control Register
010H Port P4 I/O Status Control Register
011H Port P5 I/O Status Control Register
012H Port P6 I/O Status Control Register
013H DTMF Oscillation Control Register
014H DTMF Register
015H Row/Column Frequency Control Register
016H D/A Control Register
017H D/A Converter LSB Data Register
018H D/A Converter MSB Data Register
019H Comparator Analog Input Multiplexer
01AH Comparator Control Register
01BH Reserved
01CH Reserved
01DH Reserved
01EH TM2 Read Only MSB Data Register
01FH TM2 Read Only LSB Data Register
020H TM0 Control Register
021H TM0 MSB Data Register
022H TM0 LSB Data Register
023H TM0 Status Register
024H Reserved
025H Reserved
026H Reserved
027H Reserved
028H Reserved
ABBREVIATION
(SRLNR)
(SRMNR)
(SRSPC)
(SRINV)
(P2TP)
( P3IO )
( P4IO )
( P5IO )
( P6IO )
(OSCCTR)
(DTMF)
(RCCTL)
(DACTL)
(DALSB)
(DAMSB)
(ANIMUX)
(COMPTR)
(TM2RM)
(TM2LM)
(TM0CR)
(TM0MSB)
(TM0LSB)
(STTM0)
INITIAL VALUE
02H
00H
00H
00H
00H
-
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
00H
04H
-
-
-
0FH
0FH
00H
0FH
0FH
00H
-
-
-
-
-
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