MC68HC908RK2 Datasheet, PDF (35/232 Pages) Motorola, Inc – Microcontroller Unit

Memory Map
Input/Output Section
Addr.
$001C
↓
$001E
Register Name
Unimplemented
Unimplemented
Bit 7
6
5
4
3
2
1
Bit 0
$001F
Read:
Configuration Register
EXTSLOW LVISTOP
(CONFIG) Write:
See page 146.
Reset: 0
0
LVIRST
1
LVIPWR
1
COPRS
0
SSREC
0
STOP
0
COPD
0
Read: TOF
0
0
Timer Status and Control
TOIE TSTOP
$0020
Register (TSC) Write: 0
TRST
See page 208.
Reset: 0
0
1
0
0
PS2
PS1
PS0
0
0
0
Read: Bit 15
14
13
12
11
10
Timer Counter Register
$0021
High (TCNTH) Write:
See page 210.
Reset: 0
0
0
0
0
0
9
Bit 8
0
0
Read: Bit 7
6
5
4
3
2
1
Bit 0
Timer Counter Register
$0022
Low (TCNTL) Write:
See page 210.
Reset: 0
0
0
0
0
0
0
0
Read:
Timer Counter Modulo
Bit 15
14
13
12
11
10
$0023 Register High (TMODH) Write:
See page 211.
Reset: 1
1
1
1
1
1
9
Bit 8
1
1
Read:
Timer Counter Modulo
Bit 7
6
5
4
3
2
1
Bit 0
$0024 Register Low (TMODL) Write:
See page 211.
Reset: 1
1
1
1
1
1
1
1
$0025
Timer Channel 0 Status ^Read:
and Control Register
(TSC0)
Write:
See page 212. _Reset:
CH0F
0
0
CH0IE
0
MS0B
0
MS0A
0
ELS0B ELS0A
0
0
TOV0 CH0MAX
0
0
= Unimplemented
R = Reserved U = Unaffected X = Indeterminate
Figure 2-2. Control, Status, and Data Registers (Sheet 2 of 6)
MC68HC908RK2 — Rev. 4.0
MOTOROLA
Memory Map
Advance Information
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