MC68HC05V12 Datasheet, PDF (41/246 Pages) Freescale Semiconductor, Inc – HCMOS Microcontreller Unit

Freescale Semiconductor, Inc.
Memory Map
EEPROM
Addr.
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
Register Name
Bit 7
6
Read: 0
Port A Data Register
PA6
(PORTA) Write:
See page 82.
Reset:
Read:
Port B Data Register
PB7 PB6
(PORTB) Write:
See page 83.
Reset:
Read:
Port C Data Register
PC7 PC6
(PORTC) Write:
See page 84.
Reset:
Read: 0
0
Port D Data Register
(PORTD) Write:
See page 86.
Reset:
Read: 0
Port A Data Direction
(DDRA) Write:
See page 82.
Reset: 0
DDRA6
0
Read:
Port B Data Direction
DDRB7
(DDRB) Write:
See page 83.
Reset: 0
DDRB6
0
Read:
Port C Data Direction
DDRC7
(DDRC) Write:
See page 84.
Reset: 0
DDRC6
0
Unimplemented
5
PA5
PB5
PC5
0
DDRA5
0
DDRB5
0
DDRC5
0
4
3
PA4
PA3
Unaffected by reset
PB4
PB3
Unaffected by reset
PC4
PC3
Unaffected by reset
PD4
PD3
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
PD2 PD1 PD0
DDRA2 DDRA1 DDRA0
0
0
0
DDRB2 DDRB1 DDRB0
0
0
0
DDRC2 DDRC1 DDRC0
0
0
0
$0008
Read: CTOF RTIF
Core Timer Status and
Control Register (CTSCR) Write:
See page 89.
Reset: 0
0
TOFE
0
= Unimplemented
0
0
RTIE
RT1 RT0
TOFC RTFC
0
0
0
1
1
R = Reserved
U = Unaffected
Figure 2-3. I/O and Control Registers (Sheet 1 of 7)
MC68HC05V12 — Rev. 2.0
Memory Map
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Technical Data