MC68HC908LJ24 Datasheet, PDF (52/464 Pages) Motorola, Inc – Microcontrollers

Memory Map
Freescale Semiconductor, Inc.
Addr.
Register Name
Bit 7
$0000
Read:
Port A Data Register
(PTA)
Write:
Reset:
PTA7
U
$0001
Read:
Port B Data Register
(PTB)
Write:
Reset:
PTB7
U
$0002
Read:
Port C Data Register
(PTC)
Write:
Reset:
PTC7
U
$0003
Read:
Port D Data Register
(PTD)
Write:
Reset:
PTD7
U
Read:
$0004
Data Direction Register A
(DDRA)
Write:
Reset:
DDRA7
0
Read:
$0005
Data Direction Register B
(DDRB)
Write:
Reset:
DDRB7
0
Read:
$0006
Data Direction Register C
(DDRC)
Write:
Reset:
DDRC7
0
Read:
$0007
Data Direction Register D
(DDRD)
Write:
Reset:
DDRD7
0
$0008
Read:
Port E Data Register
(PTE)
Write:
Reset:
PTE7
U
Read:
$0009
Data Direction Register E
(DDRE)
Write:
Reset:
DDRE7
0
6
PTA6
U
PTB6
U
PTC6
U
PTD6
U
DDRA6
0
DDRB6
0
DDRC6
0
DDRD6
0
PTE6
U
DDRE6
0
5
PTA5
U
PTB5
U
PTC5
U
PTD5
U
DDRA5
0
DDRB5
0
DDRC5
0
DDRD5
0
PTE5
U
DDRE5
0
4
PTA4
U
PTB4
U
PTC4
U
PTD4
U
DDRA4
0
DDRB4
0
DDRC4
0
DDRD4
0
PTE4
U
DDRE4
0
3
PTA3
U
PTB3
U
PTC3
U
PTD3
U
DDRA3
0
DDRB3
0
DDRC3
0
DDRD3
0
PTE3
U
DDRE3
0
2
PTA2
U
PTB2
U
PTC2
U
PTD2
U
DDRA2
0
DDRB2
0
DDRC2
0
DDRD2
0
PTE2
U
DDRE2
0
1
PTA1
U
PTB1
U
PTC1
U
PTD1
U
DDRA1
0
DDRB1
0
DDRC1
0
DDRD1
0
PTE1
U
DDRE1
0
Bit 0
PTA0
U
PTB0
U
PTC0
U
PTD0
U
DDRA0
0
DDRB0
0
DDRC0
0
DDRD0
0
PTE0
U
DDRE0
0
U = Unaffected
X = Indeterminate
= Unimplemented
R = Reserved
Figure 2-2. Control, Status, and Data Registers (Sheet 1 of 13)
Data Sheet
52
MC68HC908LJ24/LK24 — Rev. 2
Memory Map
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