MC68HC705C8ACFNE Datasheet, PDF (39/222 Pages) Freescale Semiconductor, Inc – Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc.
Memory
Bootloader ROM
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
Register Name
Bit 7
6
5
Read:
Port A Data Register
PA7 PA6
PA5
(PORTA) Write:
See page 78.
Reset:
Read:
Port B Data Register
PB7 PB6 PB5
(PORTB) Write:
See page 81.
Reset:
Read:
Port C Data Register
PC7 PC6 PC5
(PORTC) Write:
See page 85.
Reset:
Read: PD7
SS
Port D Fixed Input Register
(PORTD) Write:
See page 88.
Reset:
Read:
Port A Data Direction
DDRA7
Register (DDRA) Write:
See page 79.
Reset: 0
DDRA6
0
DDRA5
0
Read:
Port B Data Direction
DDRB7
Register (DDRB) Write:
See page 82.
Reset: 0
DDRB6
0
DDRB5
0
Read:
Port C Data Direction
DDRC7
(DDRC) Write:
See page 86.
Reset: 0
DDRC6
0
DDRC5
0
Unimplemented
4
3
PA4
PA3
Unaffected by reset
PB4
PB3
Unaffected by reset
PC4
PC3
Unaffected by reset
SCK
MOSI
Unaffected by reset
DDRA4 DDRA3
0
0
DDRB4 DDRB3
0
0
DDRC4 DDRC3
0
0
2
1
Bit 0
PA2
PA1 PA0
PB2 PB1 PB0
PC2 PC1 PC0
MISO TDO RDI
DDRA2 DDRA1 DDRA0
0
0
0
DDRB2 DDRB1 DDRB0
0
0
0
DDRC2 DDRC1 DDRC0
0
0
0
$0008
Unimplemented
$0009
Unimplemented
= Unimplemented U = Unaffected
Figure 2-2. I/O Register Summary (Sheet 1 of 4)
MC68HC705C8A — Rev. 3
MOTOROLA
Memory
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Technical Data