MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 341

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Input/Output (I/O) Ports
Technical Data
342
Addr.
$000C
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
Data Direction Register C
Data Direction Register D
Data Direction Register A
Data Direction Register B
Register Name
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
Port-B LED Control
Register
(DDRC)
(DDRD)
(DDRA)
(DDRB)
(LEDB)
(PTA)
(PTB)
(PTC)
(PTD)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Figure 17-1. I/O Port Register Summary
DDRA7
DDRB7
DDRC7
DDRD7
PTC7
PTD7
PTA7
PTB7
Bit 7
0
0
0
0
0
0
Input/Output (I/O) Ports
DDRA6
DDRB6
DDRC6
DDRD6
PTA6
PTB6
PTC6
PTD6
6
0
0
0
0
0
0
DDRA5
DDRB5
DDRC5
DDRD5
LEDB5
PTA5
PTB5
PTC5
PTD5
5
0
0
0
0
0
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
DDRA4
DDRB4
DDRC4
DDRD4
LEDB4
PTA4
PTB4
PTC4
PTD4
4
0
0
0
0
0
DDRA3
DDRB3
DDRC3
DDRD3
LEDB3
PTA3
PTB3
PTC3
PTD3
3
0
0
0
0
0
MC68HC908LJ12
DDRC2
DDRD2
DDRA2
DDRB2
LEDB2
PTA2
PTB2
PTC2
PTD2
Freescale Semiconductor
0
0
0
0
0
2
DDRC1
DDRD1
DDRA1
DDRB1
LEDB1
PTA1
PTB1
PTC1
PTD1
1
0
0
0
0
0
—
DDRC0
DDRD0
Rev. 2.1
DDRA0
DDRB0
LEDB0
PTA0
PTB0
PTC0
PTD0
Bit 0
0
0
0
0
0