MC68HC908AT32 Datasheet, PDF (44/378 Pages) Freescale Semiconductor, Inc – Microcontrollers

Memory Map
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0041
Timer B Counter Register High ^{Read: Bit 15}
14
13
12
11
10
9
Bit 8
(TBCNTH) Write: R
R
R
R
R
R
R
R
See page 213. _{Reset: 0}
0
0
0
0
0
0
0
$0042
Timer B Counter Register Low ^{Read: Bit 7}
6
5
4
3
2
1
Bit 0
(TBCNTL) Write: R
R
R
R
R
R
R
R
See page 213. _{Reset: 0}
0
0
0
0
0
0
0
$0043
Timer B Modulo Register High ^Read: _{Bit 15}
14
13
12
11
10
9
Bit 8
(TBMODH) Write:
See page 214. _{Reset: 1}
1
1
1
1
1
1
1
$0044
Timer B Modulo Register Low ^Read: _{Bit 7}
6
5
4
3
2
1
Bit 0
(TBMODL) Write:
See page 214. _{Reset: 1}
1
1
1
1
1
1
1
$0045
Timer B CH0 Status and Control ^Read:
Register (TBSC0) Write:
See page 215. _Reset:
CH0F
0
0
CH0IE
0
MS0B
0
MS0A
0
ELS0B ELS0A
0
0
TOV0 CH0MAX
0
0
$0046
Timer B CH0 Register High ^Read: _{Bit 15}
14
(TBCH0H) Write:
See page 218. _Reset:
13
12
11
10
Indeterminate after reset
9
Bit 8
$0047
Timer B CH0 Register Low ^Read: _{Bit 7}
6
(TBCH0L) Write:
See page 218. _Reset:
5
4
3
2
Indeterminate after reset
1
Bit 0
Timer B CH1 Status and Control ^{Read: CH1F} _CH1IE
0
MS1A ELS1B ELS1A TOV1 CH1MAX
$0048
Register (TBSC1) Write: 0
R
See page 215. _{Reset: 0}
0
0
0
0
0
0
0
$0049
Timer B CH1 Register High ^Read: _{Bit 15}
14
(TBCH1H) Write:
See page 218. _Reset:
13
12
11
10
Indeterminate after reset
9
Bit 8
$004A
Timer B CH1 Register Low ^Read: _{Bit 7}
6
(TBCH1L) Write:
See page 218. _Reset:
5
4
3
2
Indeterminate after reset
1
Bit 0
$004B
TIM Status and Control Register ^{Read: TOF}
TOIE TSTOP
0
0
(TSC) Write: 0
TRST
See page 222. _{Reset: 0}
0
1
0
0
PS2
PS1
PS0
0
0
0
Read: Bit 15
14
13
12
11
10
9
Bit 8
$004C
TIM Counter Register High (TCNTH)
See page 223.
Write:
Reset: 0
0
0
0
0
0
0
0
Italic Type = MC68HC08AS20 Specific
Boldface Type = MC68HC08AZ32 Specific
= Unimplemented
R = Reserved
U = Unaffected
X = Indeterminate
Figure 2-2. Control, Status, and Data Registers (Sheet 7 of 9)
MC68HC908AT32 Data Sheet, Rev. 3.1
44
Freescale Semiconductor