
M44C510E
Preliminary Information
Rev. A1, 04-May-00
19 (60)
Table 7. M44C510E Peripheral addresses
Port Address
Name
Write
/Read
Reset Value
Register Function
Module
Type
See
Page
0
P0DAT
W/R
1111b
Port 0 – data register/input data
M3
21
1
P1DAT
W/R
1111b
Port 1 – data register/input data
M3
21
2
PAIPR
W
1111b
Port A – interrupt priority register
M2
22
Aux.
PAICR
W
1111b
Port A – interrupt control register
22
3
CWD
R
––––
Watchdog timer reset
M3
29
PBIPR
W
1111b
Port B – interrupt priority register
M2
22
Aux.
PBICR
W
1111b
Port B – interrupt control register
22
4
P4DAT
W/R
1111b
Port 4 – data register/pin data
M2
20
Aux.
P4DDR
W
1111b
Port 4 – data direction register
21
5
P5DAT
W/R
1111b
Port 5 – data register/pin data
M2
20
Aux.
P5DDR
W
1111b
Port 5 – data direction register
21
6
P6DAT
W/R
0011b
Port 6 – data register/pin data
M2
25
Aux
P6CR
W
1111 1111b
Port 6 – control register (byte)
25
7
P7DAT
W/R
1111b
Port 7 – data register/pin data
M2
20
Aux.
P7DDR
W
1111b
Port 7 – data direction register
21
8
ASW
W
1111b
Auxiliary switch register
ASW
18
9
TCM
W/R
1111b
Data to/from subport addressed by TCSUB
M1
18
Aux.
T0SR
R
0000b
Timer 0 interrupt status register
M1
35
TCSUB
W
1111b
Timer/counter subport address pointer
M1
30/31
Subport address
0
T0MO
W
1111b
Timer 0 mode register
M1
35
1
T0CR
W
1111b
Timer 0 control register
M1
36
2
T1MO
W
1111b
Timer 1 mode register
M1
43
3
T1CR
W
1111b
Timer 1 control register
M1
43/44
4
TCMO
W
1111b
Timer/counter mode register
M1
33
5
TCIOR
W
1111b
Timer/counter I/O control register
M1
32
6
TCCR
W
1111b
Timer/counter control register
M1
31
7
TCIP
W
1111b
Timer/counter interrupt priority
M1
32
8
T1CP
W
xxxx xxxxb
Timer 1 compare register (byte)
M1
44
T1CA
R
xxxx xxxxb
Timer 1 capture register (byte)
M1
9
T0CP
W
xxxx xxxxb
Timer 0 compare register (byte)
M1
37
T0CA
R
xxxx xxxxb
Timer 0 capture register (byte)
M1
A
BZCR
W
1111b
Buzzer control register
M1
47
B-F
––––
Reserved
A
PADAT
W/R
1111b
Port A – data register/pin data
M2
20
Aux.
PADDR
W
1111b
Port A – data direction register
21
B
PBDAT
W/R
1111b
Port B – data register/pin data
M2
20
Aux.
PBDDR
W
1111b
Port B – data direction register
21
C
PCDAT
W/R
1111b
Port C – data register/pin data
M2
20
Aux.
PCDDR
W
1111b
Port C – data direction register
21
D
RBR
W
0000b
Rom bank switch register
M3
6
E
SC
W
1111b
System configuration register
M2
16
Aux.
CM
W/R
1111b
Clock management register
15
F
ITFSR
W
1111b
Interval timer frequency select register
M2
28
Aux.
ITIPR
W
1111b
Interval timer interrupt priority register