MC68HC08AZ32A Datasheet, PDF (238/312 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Timer Interface Module A (TIMA)
Addr.
$0020
$0022
$0023
$0024
$0025
$0026
$0027
$0028
$0029
$002A
$002B
$002C
$002D
Name
Timer A Status and Control ^Read:
Register (TASC) Write:
See page 247. _Reset:
Timer A Counter Register ^Read:
High (TACNTH) Write:
See page 248. _Reset:
Timer A Counter Register ^Read:
Low (TACNTL) Write:
See page 248. _Reset:
Timer A Modulo Register ^Read:
High (TAMODH) Write:
See page 249. _Reset:
Timer A Modulo Register ^Read:
Low (TAMODL) Write:
See page 249. _Reset:
Timer A Channel 0 Status ^Read:
and Control Register Write:
(TASC0) See page 249. _Reset:
Timer A Channel 0 Register ^Read:
High (TACH0H) Write:
See page 253. _Reset:
Timer A Channel 0 Register ^Read:
Low (TACH0L) Write:
See page 253. _Reset:
Timer A Channel 1 Status ^Read:
and Control Register Write:
(TASC1) See page 249. _Reset:
Timer A Channel 1 Register ^Read:
High (TACH1H) Write:
See page 253. _Reset:
Timer A Channel 1 Register ^Read:
Low (TACH1L) Write:
See page 253. _Reset:
Timer A Channel 2 Status ^Read:
and Control Register Write:
(TASC2) See page 249. _Reset:
Timer A Channel 2 Register ^Read:
High (TACH2H) Write:
See page 253. _Reset:
Bit 7
TOF
0
0
Bit 15
0
Bit 7
0
Bit 15
1
Bit 7
1
CH0F
0
0
Bit 15
Bit 7
CH1F
0
0
Bit 15
Bit 7
CH2F
0
0
Bit 15
6
5
4
3
2
1
0
0
TOIE TSTOP
PS2
PS1
TRST
R
0
1
0
0
0
0
14
13
12
11
10
9
0
0
0
0
0
0
6
5
4
3
2
1
0
0
0
0
0
0
14
13
12
11
10
9
1
1
1
1
1
1
6
5
4
3
2
1
1
1
1
1
1
1
CH0IE MS0B
MS0A ELS0B ELS0A TOV0
0
0
0
0
0
0
14
13
12
11
10
9
Indeterminate after reset
6
5
4
3
2
1
CH1IE
0
Indeterminate after reset
0
MS1A ELS1B ELS1A TOV1
R
0
0
0
0
0
14
13
12
11
10
9
Indeterminate after reset
6
5
4
3
2
1
Indeterminate after reset
CH2IE MS2B
MS2A ELS2B ELS2A TOV2
0
0
0
0
0
0
14
13
12
11
10
9
= Unimplemented
Indeterminate after reset
R
= Reserved
Figure 17-3. TIMA I/O Register Summary
Bit 0
PS0
0
Bit 8
0
Bit 0
0
Bit 8
1
Bit 0
1
CH0MAX
0
Bit 8
Bit 0
CH1MAX
0
Bit 8
Bit 0
CH2MAX
0
Bit 8
MC68HC08AZ32A Data Sheet, Rev. 2
238
Freescale Semiconductor