
Timer Interface Module (TIM)
Technical Data
MC68H(R)C908JL3 — Rev. 1.1
118
Timer Interface Module (TIM)
Freescale Semiconductor
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
$0020
TIM Status and Control
Register
(TSC)
Read:
TOF
TOIE
TSTOP
00
PS2
PS1
PS0
Write:
0
TRST
Reset:
00100000
$0021
TIM Counter Register High
(TCNTH)
Read:
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit9
Bit8
Write:
Reset:
00000000
$0022
TIM Counter Register Low
(TCNTL)
Read:
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Write:
Reset:
00000000
$0023
TIM Counter Modulo
Register High
(TMODH)
Read:
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit9
Bit8
Write:
Reset:
11111111
$0024
TIM Counter Modulo
Register Low
(TMODL)
Read:
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Write:
Reset:
11111111
$0025
TIM Channel 0 Status and
Control Register
(TSC0)
Read:
CH0F
CH0IE
MS0B
MS0A
ELS0B
ELS0A
TOV0
CH0MAX
Write:
0
Reset:
00000000
$0026
TIM Channel 0
Register High
(TCH0H)
Read:
Bit15
Bit14
Bit13
Bit12
Bit11
Bit10
Bit9
Bit8
Write:
Reset:
Indeterminate after reset
$0027
TIM Channel 0
Register Low
(TCH0L)
Read:
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
Write:
Reset:
Indeterminate after reset
$0028
TIM Channel 1 Status and
Control Register
(TSC1)
Read:
CH1F
CH1IE
0
MS1A
ELS1B
ELS1A
TOV1
CH1MAX
Write:
0
Reset:
00000000
Figure 10-2. TIM I/O Register Summary