ML63295A User’s Manual
Appendix A
Appendix – 1
Appendix A
List of Special Function Registers
The Special Function Registers of the ML63295A are listed in Table A.
“—” indicates an invalid bit.
Table A
Special Function Register List
Register name
Symbol
Address
bit 3
bit 2
bit 1
bit 0
R/W
Initial value at
system reset
Port 0 data register
P0D
000H
P03
P02
P01
P00
R
Undefined
Port 1 data register
P1D
001H
P13
P12
P11
P10
R
Undefined
Port 2 data register
P2D
002H
P23
P22
P21
P20
R/W
0H
Port 3 data register
P3D
003H
P33
P32
P31
P30
R/W
0H
Port 4 data register
P4D
004H
P43
P42
P41
P40
R/W
0H
Port 5 data register
P5D
005H
P53
P52
P51
P50
R/W
0H
Port 6 data register
P6D
006H
P63
P62
P61
P60
R/W
0H
Port 7 data register
P7D
007H
P73
P72
P71
P70
R/W
0H
Port 8 data register
P8D
008H
P83
P82
P81
P80
R/W
0H
Port 9 data register
P9D
009H
P93
P92
P91
P90
R/W
0H
Port A data register
PAD
00AH
PA3
PA2
PA1
PA0
R/W
0H
Port B data register
PBD
00BH
PB3
PB2
PB1
PB0
R/W
0H
Port C data register
PCD
00CH
PC3
PC2
PC1
PC0
R/W
0H
Reserved
00DH
Port E data register
PED
00EH
PE3
PE2
PE1
PE0
R/W
0H
Reserved
00FH
Port 0 control register 0
P0CON0
010H
P03MD
P02MD
P01MD
P00MD R/W
0H
Port 0 control register 1
P0CON1
011H
—
P0PUD
P0F
R/W
0CH
Port 0 interrupt enable register
P0IE
012H
P03IE
P02IE
P01IE
P00IE
R/W
0H
Port 1 control register 0
P1CON0
013H
P13MD
P12MD
P11MD
P10MD R/W
0H
Port 1 control register 1
P1CON1
014H
—
P1PUD
P1F
R/W
0CH
Port 1 interrupt enable register
P1IE
015H
P13IE
P12IE
P11IE
P10IE
R/W
0H
Port 2 control register 0
P2CON0
016H
P21MD1
P21MD0 P20MD1 P20MD0 R/W
0H
Port 2 control register 1
P2CON1
017H
P23MD1
P23MD0 P22MD1 P22MD0 R/W
0H
Port 3 control register 0
P3CON0
018H
P31MD1
P31MD0 P30MD1 P30MD0 R/W
0H
Port 3 control register 1
P3CON1
019H
P33MD1
P33MD0 P32MD1 P32MD0 R/W
0H
Port 4 control register 0
P4CON0
01AH
P41MD1
P41MD0 P40MD1 P40MD0 R/W
0H
Port 4 control register 1
P4CON1
01BH
P43MD1
P43MD0 P42MD1 P42MD0 R/W
0H
Port 5 control register 0
P5CON0
01CH
P51MD1
P51MD0 P50MD1 P50MD0 R/W
0H
Port 5 control register 1
P5CON1
01DH
P53MD1
P53MD0 P52MD1 P52MD0 R/W
0H
Port 6 control register 0
P6CON0
01EH
P61MD1
P61MD0 P60MD1 P60MD0 R/W
0H
Port 6 control register 1
P6CON1
01FH
P63MD1
P63MD0 P62MD1 P62MD0 R/W
0H
Port 7 control register 0
P7CON0
020H
P71MD1
P71MD0 P70MD1 P70MD0 R/W
0H
Port 7 control register 1
P7CON1
021H
P73MD1
P73MD0 P72MD1 P72MD0 R/W
0H
Port 47 mode register
P47MOD
022H
P7MOD
P6MOD
P5MOD P4MOD R/W
0H
Port 8 control register 0
P8CON0
023H
P81MD1
P81MD0 P80MD1 P80MD0 R/W
0H
Port 8 control register 1
P8CON1
024H
P83MD1
P83MD0 P82MD1 P82MD0 R/W
0H
Port 8 direction register
P8DIR
025H
P83DIR
P82DIR
P81DIR P80DIR R/W
0H