XC68HC05P18A Motorola, XC68HC05P18A Datasheet - Page 29

• Manufacturer Part Number: XC68HC05P18A
• Description: HCMOS Microcontroller Unit
• Manufacturer: Motorola

MC68HC05P18A
MOTOROLA
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
Addr.
Port C Data Direction
Port D Data Direction
Port A Data Direction
Port B Data Direction
Port C Data Register
Port D Data Register
Port A Data Register
Port B Data Register
Register Name
Unimplemented
See page 56.
See page 57.
See page 58.
See page 59.
See page 56.
See page 57.
See page 58.
See page 59.
(PORTC)
(PORTD)
(PORTB)
(PORTA)
Figure 2-3. I/O and Control Registers (Sheet 1 of 4)
(DDRA)
(DDRB)
(DDRC)
(DDRD)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
DDRC7
DDRA7
DDRB7
Bit 7
PC7
PD7
PA7
PB7
0
0
0
0
0
= Unimplemented
DDRA6
DDRB6
DDRC6
PB6
PC6
PA6
Memory Map
6
0
0
0
0
0
0
DDRC5
DDRD5
DDRA5
DDRB5
PB5
PC5
PD5
PA5
5
0
0
0
0
DDRC4
DDRA4
Unaffected by reset
Unaffected by reset
Unaffected by reset
Unaffected by reset
PC4
PA4
R
4
0
1
0
1
0
0
0
0
= Reserved
DDRC3
DDRA3
PC3
PA3
3
0
0
0
1
0
0
0
0
DDRC2
DDRA2
I/O and Control Registers
PC2
PA2
2
0
0
0
1
0
0
0
0
U = Unaffected
DDRC1
DDRA1
PC1
Technical Data
PA1
1
0
0
0
1
0
0
0
0
Memory Map
DDRA0
DDRC0
Bit 0
PC0
PA0
0
0
0
1
0
0
0
0
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