MC68HC908EY16 Datasheet, PDF (30/278 Pages) Motorola, Inc – Microcontrollers

Memory
Addr. Register Name
$0023
Timer A Counter Modulo ^Read:
Register High (TAMODH) Write:
See page 203. _Reset:
$0024
Timer A Counter Modulo ^Read:
Register Low (TAMODL) Write:
See page 203. _Reset:
$0025
Timer A Channel 0 Status Read:
and Control Register
(TASC0)
Write:
See page 204. Reset:
$0026
Timer A Channel 0 ^Read:
Register High (TACH0H) Write:
See page 207. _Reset:
$0027
Timer A Channel 0 ^Read:
Register Low (TACH0L) Write:
See page 207. _Reset:
$0028
Timer A Channel 1 Status Read:
and Control Register
(TASC1)
Write:
See page 207. Reset:
$0029
Timer A Channel 1 ^Read:
Register High (TACH1H) Write:
See page 207. _Reset:
$002A
Timer A Channel 1 ^Read:
Register Low (TACH1L) Write:
See page 207. _Reset:
$002B
Timer B Status and Control
Register (TBSC)
See page 217.
Read:
Write:
Reset:
$002C
Timer B Counter Register ^Read:
High (TBCNTH) Write:
See page 219. _Reset:
$002D
Timer B Counter Register ^Read:
Low (TBCNTL) Write:
See page 219. _Reset:
$002E
Timer B Counter Modulo ^Read:
Register High (TBMODH) Write:
See page 219. _Reset:
Bit 7
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
BIT 7
0
BIT 15
1
6
BIT 14
1
BIT 6
1
CH0IE
0
BIT 14
BIT 6
CH1IE
0
BIT 14
BIT 6
TOIE
0
BIT 14
5
4
3
BIT 13 BIT 12 BIT 11
1
1
1
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
TSTOP
1
BIT 13
Indeterminate after reset
0
R
TRST
0
0
BIT 12 BIT 11
0
0
0
0
BIT 6
BIT 5
BIT 4
BIT 3
0
0
0
0
BIT 14 BIT 13 BIT 12 BIT 11
1
1
= Unimplemented
1
1
R = Reserved
2
BIT 10
1
BIT 2
1
ELS0A
0
BIT 10
1
BIT 9
1
BIT 1
1
TOV0
0
BIT 9
BIT 2
BIT 1
ELS1A
0
BIT 10
TOV1
0
BIT 9
BIT 2
BIT 1
PS2
PS1
0
0
BIT 10
BIT 9
0
0
BIT 2
BIT 1
0
0
BIT 10
BIT 9
1
1
U = Unaffected
Bit 0
BIT 8
1
BIT 0
1
CH0MAX
0
BIT 8
BIT 0
CH1MAX
0
BIT 8
BIT 0
PS0
0
BIT 8
0
BIT 0
0
BIT 8
1
Figure 2-2. Control, Status, and Data Registers (Sheet 4 of 7)
MC68HC908EY16 • MC68HC908EY8 Data Sheet, Rev. 10
30
Freescale Semiconductor