MC68HC908GR8A_07 Datasheet, PDF (33/260 Pages) Freescale Semiconductor, Inc – Microcontrollers

Input/Output (I/O) Section
Addr.
Register Name
$0022
Timer 1 Counter ^Read:
Register Low (T1CNTL) Write:
See page 210. _Reset:
$0023
Timer 1 Counter Modulo ^Read:
Register High (T1MODH) Write:
See page 211. _Reset:
$0024
Timer 1 Counter Modulo ^Read:
Register Low (T1MODL) Write:
See page 211. _Reset:
Timer 1 Channel 0 Status and ^Read:
$0025 Control Register (T1SC0) Write:
See page 214. _Reset:
$0026
Timer 1 Channel 0 ^Read:
Register High (T1CH0H) Write:
See page 214. _Reset:
$0027
Timer 1 Channel 0 ^Read:
Register Low (T1CH0L) Write:
See page 214. _Reset:
Timer 1 Channel 1 Status and ^Read:
$0028 Control Register (T1SC1) Write:
See page 214. _Reset:
$0029
Timer 1 Channel 1 ^Read:
Register High (T1CH1H) Write:
See page 214. _Reset:
$002A
Timer 1 Channel 1 ^Read:
Register Low (T1CH1L) Write:
See page 214. _Reset:
$002B
Timer 2 Status and Control ^Read:
Register (T2SC) Write:
See page 211. _Reset:
$002C
Timer 2 Counter ^Read:
Register High (T2CNTH) Write:
See page 210. _Reset:
Bit 7
Bit 7
0
Bit 15
1
Bit 7
1
CH0F
0
0
Bit 15
Bit 7
CH1F
0
0
Bit 15
Bit 7
TOF
0
0
Bit 15
0
6
5
4
3
2
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
CH1IE
Indeterminate after reset
0
MS1A ELS1B ELS1A
0
0
0
0
0
14
13
12
11
10
Indeterminate after reset
6
5
4
3
2
Indeterminate after reset
0
0
TOIE TSTOP
PS2
TRST
0
1
0
0
0
14
13
12
11
10
0
0
0
0
0
1
Bit 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
TOV1 CH1MAX
0
0
9
Bit 8
1
Bit 0
PS1
PS0
0
0
9
Bit 8
0
0
= Unimplemented
R = Reserved
U = Unaffected
Figure 2-2. Control, Status, and Data Registers (Sheet 4 of 7)
MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5
Freescale Semiconductor
33