MC908AB32CFUE Datasheet, PDF (52/392 Pages) Freescale Semiconductor, Inc – Microcontrollers

Memory Map
Addr.
Register Name
$0046
Timer B Channel 0 ^Read:
Register High Write:
(TBCH0H) _Reset:
$0047
Timer B Channel 0 ^Read:
Register Low Write:
(TBCH0L) _Reset:
Timer B Channel 1 Status ^Read:
$0048
and Control Register Write:
(TBSC1) _Reset:
$0049
Timer B Channel 1 ^Read:
Register High Write:
(TBCH1H) _Reset:
$004A
Timer B Channel 1 ^Read:
Register Low Write:
(TBCH1L) _Reset:
$004B
PIT Status and Control ^Read:
Register Write:
(PSC) _Reset:
Read:
$004C
PIT Counter Register High
(PCNTH)
Write:
Reset:
Read:
$004D
PIT Counter Register Low
(PCNTL)
Write:
Reset:
$004E
PIT Counter Modulo ^Read:
Register High Write:
(PMODH) _Reset:
$004F
PIT Counter Modulo ^Read:
Register Low Write:
(PMODL) _Reset:
Bit 7
Bit 15
Bit 7
CH1F
0
0
Bit 15
Bit 7
POF
0
0
Bit 15
0
Bit 7
0
Bit 15
1
Bit 7
1
6
5
4
3
2
14
13
12
11
10
Indeterminate after reset
6
5
4
3
2
CH1IE
Indeterminate after reset
0
MS1A ELS1B ELS1A
0
0
0
0
0
14
13
12
11
10
Indeterminate after reset
6
5
4
3
2
POIE
0
14
Indeterminate after reset
0
0
PSTOP
PPS2
PRST
1
0
0
0
13
12
11
10
0
0
0
0
0
6
5
4
3
2
0
0
0
0
0
14
13
12
11
10
1
1
1
1
1
6
5
4
3
2
1
1
1
1
1
1
Bit 0
9
Bit 8
1
Bit 0
TOV1 CH1MAX
0
0
9
Bit 8
1
Bit 0
PPS1
0
9
PPS0
0
Bit 8
0
0
1
Bit 0
0
0
9
Bit 8
1
1
1
Bit 0
1
1
= Unimplemented
R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 8 of 11)
Technical Data
52
Memory Map
MC68HC908AB32 — Rev. 1.1
Freescale Semiconductor