MC68HC08AB16A Datasheet, PDF (49/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Memory Map
Input/Output (I/O) Section
Addr.
Register Name
$0028
Timer A Channel 0 ^Read:
Register Low Write:
(TACH0L) _Reset:
Timer A Channel 1 Status ^Read:
$0029 and Control Register Write:
(TASC1) _Reset:
$002A
Timer A Channel 1 ^Read:
Register High Write:
(TACH1H) _Reset:
$002B
Timer A Channel 1 ^Read:
Register Low Write:
(TACH1L) _Reset:
Timer A Channel 2 Status ^Read:
$002C and Control Register Write:
(TASC2) _Reset:
$002D
Timer A Channel 2 ^Read:
Register High Write:
(TACH2H) _Reset:
$002E
Timer A Channel 2 ^Read:
Register Low Write:
(TACH2L) _Reset:
Timer A Channel 3 Status ^Read:
$002F and Control Register Write:
(TASC3) _Reset:
$0030
Timer A Channel 3 ^Read:
Register High Write:
(TACH3H) _Reset:
$0031
Timer A Channel 3 ^Read:
Register Low Write:
(TACH3L) _Reset:
Bit 7
Bit 7
CH1F
0
0
Bit 15
Bit 7
CH2F
0
0
Bit 15
Bit 7
CH3F
0
0
Bit 15
Bit 7
6
5
4
3
2
1
6
5
4
3
2
1
CH1IE
Indeterminate after reset
0
MS1A ELS1B ELS1A
TOV1
0
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
Indeterminate after reset
6
5
4
3
2
1
CH3IE
Indeterminate after reset
0
MS3A ELS3B ELS3A
TOV3
0
0
0
0
0
0
14
13
12
11
10
9
Indeterminate after reset
6
5
4
3
2
1
Indeterminate after reset
= Unimplemented
R = Reserved
Bit 0
Bit 0
CH1MAX
0
Bit 8
Bit 0
CH2MAX
0
Bit 8
Bit 0
CH3MAX
0
Bit 8
Bit 0
Figure 2-2. Control, Status, and Data Registers (Sheet 5 of 11)
MC68HC08AB16A — Rev. 2.0
MOTOROLA
Memory Map
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Technical Data
49