MC68HC908KX8 Datasheet, PDF (225/310 Pages) Motorola, Inc – Microcontrollers

Timer Interface Module (TIM)
Introduction
Figure 16-2 summarizes the timer registers.
Addr. Register Name
Bit 7
Read: TOF
Timer Status and Control
$0020
Register (TSC) Write: 0
See page 235.
Reset: 0
$0021
Read:
Timer Counter Register
High (TCNTH) Write:
See page 237.
Reset:
Bit 15
0
Read: Bit 7
Timer Counter Register
$0022
Low (TCNTL) Write:
See page 237.
Reset: 0
$0023
Read:
Timer Counter Modulo
Register High (TMODH) Write:
See page 238.
Reset:
Bit 15
1
$0024
Read:
Timer Counter Modulo
Bit 7
Register Low (TMODL) Write:
See page 238.
Reset: 1
$0025
Timer Channel 0 Status ^Read:
and Control Register
(TSC0)
Write:
See page 239. _Reset:
CH0F
0
0
$0026
Read:
Timer Channel 0 Register
High (TCH0H) Write:
See page 243.
Reset:
Bit 15
Read:
Timer Channel 0 Register
Bit 7
$0027
Low (TCH0L) Write:
See page 243.
Reset:
6
5
4
3
2
0
0
TOIE TSTOP
PS2
TRST
0
1
0
0
0
14
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
CH0IE MS0B MS0A ELS0B ELS0A
0
0
0
0
0
14
13
12
11
10
Indeterminate after reset
6
5
4
3
2
= Unimplemented
Indeterminate after reset
1
Bit 0
PS1
PS0
0
0
9
Bit 8
0
0
1
Bit 0
0
0
9
Bit 8
1
1
1
Bit 0
1
1
TOV0 CH0MAX
0
0
9
Bit 8
1
Bit 0
Figure 16-2. TIM I/O Register Summary
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
MOTOROLA
Timer Interface Module (TIM)
Technical Data
225