MC68HC908KX8 Datasheet, PDF (42/310 Pages) Motorola, Inc – Microcontrollers

Memory Map
Addr. Register Name
Bit 7
Timer Status and Control ^{Read: TOF}
$0020
Register (TSC) Write: 0
See page 235. _{Reset: 0}
$0021
Timer Counter Register ^Read:
High (TCNTH) Write:
See page 237. _Reset:
Bit 15
0
Timer Counter Register ^{Read: Bit 7}
$0022
Low (TCNTL) Write:
See page 237. _{Reset: 0}
$0023
Timer Counter Modulo ^Read:
Register High (TMODH) Write:
See page 238. _Reset:
Bit 15
1
$0024
Timer Counter Modulo ^Read: _{Bit 7}
Register Low (TMODL) Write:
See page 238. _{Reset: 1}
$0025
Timer Channel 0 Status ^Read:
and Control Register Write:
(TSC0) See page 239. _Reset:
CH0F
0
0
$0026
Timer Channel 0 Register ^Read:
High (TCH0H) Write:
See page 243. _Reset:
Bit 15
Timer Channel 0 Register ^Read: _{Bit 7}
$0027
Low (TCH0L) Write:
See page 243. _Reset:
$0028
Timer Channel 1 Status ^Read:
and Control Register Write:
(TSC1) See page 239. _Reset:
CH1F
0
0
$0029
Timer Channel 1 Register ^Read:
High (TCH1H) Write:
See page 243. _Reset:
Bit 15
6
5
4
3
0
0
TOIE TSTOP
TRST
0
1
0
0
14
13
12
11
2
1
Bit 0
PS2
PS1
PS0
0
0
0
10
9
Bit 8
0
0
0
0
0
0
0
6
5
4
3
2
1
Bit 0
0
0
0
0
0
0
0
14
13
12
11
10
9
Bit 8
1
1
1
1
1
1
1
6
5
4
3
2
1
Bit 0
1
1
1
1
1
1
1
CH0IE MS0B MS0A ELS0B ELS0A TOV0 CH0MAX
0
0
0
0
0
0
0
14
13
12
11
10
9
Bit 8
Indeterminate after reset
6
5
4
3
2
1
Bit 0
CH1IE
Indeterminate after reset
0
MS1A ELS1B ELS1A
TOV1 CH1MAX
0
0
0
0
0
0
0
14
13
12
11
10
9
Bit 8
= Unimplemented
Indeterminate after reset
R = Reserved
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 4 of 7)
Technical Data
42
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
Memory Map
MOTOROLA