MC68HC908EY16 Datasheet, PDF (31/278 Pages) Motorola, Inc – Microcontrollers

Input/Output (I/O) Section
Addr. Register Name
$002F
Timer B Counter Modulo ^Read:
Register Low (TBMODL) Write:
See page 219. _Reset:
$0030
Timer B Channel 0 Status Read:
and Control Register _Write:
(TBSC0)
See page 220. Reset:
$0031
Timer B Channel 0 ^Read:
Register High (TBCH0H) Write:
See page 223. _Reset:
$0032
Timer B Channel 0 ^Read:
Register Low (TBCH0L) Write:
See page 223. _Reset:
$0033
Timer B Channel 1 Status Read:
and Control Register
(TBSC1)
Write:
See page 220. Reset:
$0034
Timer B Channel 1 ^Read:
Register High (TBCH1H) Write:
See page 223. _Reset:
$0035
Timer B Channel 1 ^Read:
Register Low (TBCH1L) Write:
See page 223. _Reset:
$0036
ICG Control Register ^Read:
(ICGCR) Write:
See page 97. _Reset:
$0037
ICG Multiplier Register ^Read:
(ICGMR) Write:
See page 98. _Reset:
$0038
Read:
ICG Trim Register (ICGTR)
See page 99.
Write:
Reset:
$0039
ICG Divider Control ^Read:
Register (ICGDVR) Write:
See page 99. _Reset:
$003A
ICG DCO Stage Control ^Read:
Register (ICGDSR) Write:
See page 100. _Reset:
Bit 7
BIT 7
1
CH0F
0
0
BIT 15
BIT 7
CH1F
0
0
BIT 15
BIT 7
CMIE
0
0
TRIM7
1
0
DSTG7
R
U
6
BIT 6
1
CH0IE
0
BIT 14
BIT 6
CH1IE
0
BIT 14
BIT 6
CMF
0
0
N6
0
TRIM6
0
5
4
3
BIT 5
BIT 4
BIT 3
1
1
1
MS0B
MS0A
ELS0B
0
0
0
BIT 13 BIT 12 BIT 11
Indeterminate after reset
BIT 5
BIT 4
BIT 3
Indeterminate after reset
0
MS1A
ELS1B
R
0
0
0
BIT 13 BIT 12 BIT 11
Indeterminate after reset
BIT 5
BIT 4
BIT 3
Indeterminate after reset
CMON
CS
ICGON
0
0
1
N5
N4
N3
0
1
0
TRIM5 TRIM4 TRIM3
0
0
0
DDIV3
0
0
DSTG6 DSTG5
R
R
U
U
= Unimplemented
0
U
DSTG4 DDSTG3
R
R
U
U
R = Reserved
2
BIT 2
1
ELS0A
0
BIT 10
1
BIT 1
1
TOV0
0
BIT 9
BIT 2
BIT 1
ELS1A
0
BIT 10
TOV1
0
BIT 9
BIT 2
BIT 1
ICGS
ECGON
0
0
N2
N1
1
0
TRIM2 TRIM1
0
DDIV2
0
DDIV1
U
U
DSTG2 DSTG1
R
R
U
U
U = Unaffected
Bit 0
BIT 0
1
CH0MAX
0
BIT 8
BIT 0
CH1MAX
0
BIT 8
BIT 0
ECGS
0
N0
1
TRIM0
0
DDIV0
U
DSTG0
R
U
Figure 2-2. Control, Status, and Data Registers (Sheet 5 of 7)
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
Freescale Semiconductor
31