Memory Map
Technical Data
MC68HC908AB32
—
Rev. 1.0
48
Memory Map
MOTOROLA
$001E
PLL Programming
Register
(PPG)
Read:
MUL7
MUL6
MUL5
MUL4
VRS7
VRS6
VRS5
VRS4
Write:
Reset:
0
1
1
0
0
1
1
0
$001F
Configuration Register 1
(CONFIG1)
†
Read:
LVISTOP
R
LVIRSTD LVIPWRD
SSREC
COPRS
STOP
COPD
Write:
Reset:
0
0
0
0
0
0
0
0
† One-time writable register after each reset.
$0020
Timer A Status and
Control Register
(TASC)
Read:
TOF
TOIE
TSTOP
0
0
PS2
PS1
PS0
Write:
0
TRST
Reset:
0
0
1
0
0
0
0
0
$0021
Keyboard Interrupt Enable
Register
(KBIER)
Read:
0
0
0
KBIE4
KBIE3
KBIE2
KBIE1
KBIE0
Write:
Reset:
0
0
0
0
0
0
0
0
$0022
Timer A Counter
Register High
(TACNTH)
Read:
Bit 15
14
13
12
11
10
9
Bit 8
Write:
Reset:
0
0
0
0
0
0
0
0
$0023
Timer A Counter
Register Low
(TACNTL)
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
Reset:
0
0
0
0
0
0
0
0
$0024
Timer A Counter Modulo
Register High
(TAMODH)
Read:
Bit 15
14
13
12
11
10
9
Bit 8
Write:
Reset:
1
1
1
1
1
1
1
1
$0025
Timer A Counter Modulo
Register Low
(TAMODL)
Read:
Bit 7
6
5
4
3
2
1
Bit 0
Write:
Reset:
1
1
1
1
1
1
1
1
$0026
Timer A Channel 0 Status
and Control Register
(TASC0)
Read:
CH0F
CH0IE
MS0B
MS0A
ELS0B
ELS0A
TOV0
CH0MAX
Write:
0
Reset:
0
0
0
0
0
0
0
0
$0027
Timer A Channel 0
Register High
(TACH0H)
Read:
Bit 15
14
13
12
11
10
9
Bit 8
Write:
Reset:
Indeterminate after reset
Addr.
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
= Unimplemented
R
= Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 4 of 11)
Summary of Contents for MC68HC908AB32
Page 1: ...MC68HC908AB32 D REV 1 0 MC68HC908AB32 HCMOS Microcontroller Unit TECHNICAL DATA ...
Page 2: ......
Page 68: ...FLASH Memory Technical Data MC68HC908AB32 Rev 1 0 68 FLASH Memory MOTOROLA ...
Page 84: ...EEPROM Technical Data MC68HC908AB32 Rev 1 0 84 EEPROM MOTOROLA ...
Page 390: ...Ordering Information Technical Data MC68HC908AB32 Rev 1 0 390 Ordering Information MOTOROLA ...
Page 391: ......