Datasheet

Functional Description
MC68HC908AP Family Data Sheet, Rev. 4
Freescale Semiconductor 137
Addr. Register Name Bit 7 654321Bit 0
$0020
TIM1 Status and Control
Register
(T1SC)
Read: TOF
TOIE TSTOP
00
PS2 PS1 PS0
Write: 0 TRST
Reset:00100000
$0021
TIM1 Counter Register
High
(T1CNTH)
Read: Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset:00000000
$0022
TIM1 Counter Register
Low
(T1CNTL)
Read: Bit 7 654321Bit 0
Write:
Reset:00000000
$0023
TIM Counter Modulo
Register High
(TMODH)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset:11111111
$0024
TIM1 Counter Modulo
Register Low
(T1MODL)
Read:
Bit 7654321Bit 0
Write:
Reset:11111111
$0025
TIM1 Channel 0 Status
and Control Register
(T1SC0)
Read: CH0F
CH0IE MS0B MS0A ELS0B ELS0A TOV0 CH0MAX
Write: 0
Reset:00000000
$0026
TIM1 Channel 0
Register High
(T1CH0H)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: Indeterminate after reset
$0027
TIM1 Channel 0
Register Low
(T1CH0L)
Read:
Bit 7654321Bit 0
Write:
Reset: Indeterminate after reset
$0028
TIM1 Channel 1 Status
and Control Register
(T1SC1)
Read: CH1F
CH1IE
0
MS1A ELS1B ELS1A TOV1 CH1MAX
Write: 0
Reset:00000000
$0029
TIM1 Channel 1
Register High
(T1CH1H)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset: Indeterminate after reset
$002A
TIM1 Channel 1
Register Low
(T1CH1L)
Read:
Bit 7654321Bit 0
Write:
Reset: Indeterminate after reset
$002B
TIM2 Status and Control
Register
(T2SC)
Read: TOF
TOIE TSTOP
00
PS2 PS1 PS0
Write: 0 TRST
Reset:00100000
$002C
TIM2 Counter Register
High
(T2CNTH)
Read: Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset:00000000
$002D
TIM2 Counter Register
Low
(T2CNTL)
Read: Bit 7 654321Bit 0
Write:
Reset:00000000
$002E
TIM2 Counter Modulo
Register High
(T2MODH)
Read:
Bit 15 14 13 12 11 10 9 Bit 8
Write:
Reset:11111111
= Unimplemented
Figure 9-2. TIM I/O Register Summary (Sheet 1 of 2)