mc68hc705c9a Freescale Semiconductor, Inc, mc68hc705c9a Datasheet - Page 30

• Manufacturer Part Number: mc68hc705c9a
• Description: M68hc05 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Memory
30
$000A
$000B
$000C
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
Addr.
Port C Data Direction Register
Port D Data Direction Register
Port A Data Direction Register
Port B Data Direction Register
Register Name
Port A Data Register
Port B Data Register
Port C Data Register
Port D Data Register
SPI Control Register
SPI Status Register
(DDRD) C9A Only
SPI Data Register
Unimplemented
Unimplemented
See page 47.
See page 48.
See page 48.
See page 48.
See page 47.
See page 48.
See page 48.
See page 48.
See page 75.
See page 76.
See page 77.
(PORTA)
(PORTB)
(PORTC)
(PORTD)
Figure 2-4. Input/Output Registers (Sheet 1 of 3)
(DDRC)
(DDRA)
(DDRB)
(SPCR)
(SPSR)
(SPDR)
MC68HC05C9A Advance Information Data Sheet, Rev. 4.1
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
DDRC7
DDRC7
DDRA7
DDRB7
SPD7
SPIE
Bit 7
SPIF
PA7
PB7
PC7
PD7
0
0
0
0
0
0
= Unimplemented
DDRC6
DDRA6
DDRB6
WCOL
SPD6
SPE
PA6
PB6
PC6
6
0
0
0
0
0
0
DDRC5
DDRC5
DDRA5
DDRB5
DWOM
(C9A)
SPD5
PA5
PB5
PC5
PD5
5
0
0
0
0
0
0
DDRC4
DDRC4
DDRA4
DDRB4
MODF
MSTR
SPD4
PA4
Unaffected by reset
PB4
Unaffected by reset
PC4
Unaffected by reset
PD4
Unaffected by reset
Unaffected by reset
R
4
0
0
0
0
0
0
= Reserved
DDRA3
DDRB3
DDRC3
DDRC3
CPOL
SPD3
PA3
PB3
PC3
PD3
3
0
0
0
0
0
0
DDRA2
DDRB2
DDRC2
DDRC2
CPHA
SPD2
PC2
PD2
PA2
PB2
Freescale Semiconductor
2
0
0
0
0
1
0
U = Unaffected
DDRA1
DDRB1
DDRC1
DDRC1
SPR1
SPD1
PA1
PB1
PC1
PD1
U
1
0
0
0
0
0
DDRC0
DDRC0
DDRA0
DDRB0
SPR0
SPD0
Bit 0
PA0
PB0
PC0
PD0
U
0
0
0
0
0