MC68HC705P9CDW FREESCALE [Freescale Semiconductor, Inc], MC68HC705P9CDW Datasheet - Page 82

• Manufacturer Part Number: MC68HC705P9CDW
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Parallel Input/Output (I/O) Ports
Technical Data
82
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
Data Direction Register C
Data Direction Register D
Data Direction Register A
Data Direction Register B
Name:
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
See page 83.
See page 85.
See page 88.
See page 91.
See page 83.
See page 86.
See page 89.
See page 92.
Figure 7-1. Parallel I/O Port Register Summary
(PORTC)
(PORTD)
(PORTB)
(PORTA)
(DDRC)
(DDRD)
(DDRA)
(DDRB)
Freescale Semiconductor, Inc.
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R/W
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Read:
Write:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Parallel Input/Output (I/O) Ports
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DDRC7 DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
DDRA7 DDRA6 DDRA5 DDRA4
DDRB7 DDRB6 DDRB5
Bit 7
PC7
PD7
PA7
PB7
0
0
0
0
0
= Unimplemented
PC6
PA6
PB6
6
0
0
0
0
0
0
DDRD5
PA5
PB5
PC5
PD5
5
0
0
0
0
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
PC4
PA4
4
0
1
0
0
0
0
0
0
DDRA3 DDRA2 DDRA1 DDRA0
PC3
PA3
3
0
0
0
0
0
0
0
0
MC68HC705P9 — Rev. 4.0
PC2
PA2
2
0
0
0
0
0
0
0
0
PC1
PA1
1
0
0
0
0
0
0
0
0
MOTOROLA
Bit 0
PC0
PA0
0
0
0
0
0
0
0
0