MC68HC705C9A_1 Datasheet, PDF (39/157 Pages) Freescale Semiconductor, Inc – General Release Specification

Freescale Semiconductor, Inc.
General Release Specification
I/O Registers
ADDR
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000A
$000B
$000C
$000D
$000E
$000F
REGISTER
PORTA
PORTB
PORTC
PORTD
DDRA
DDRB
DDRC
DDRD
(C9A Only)
UNUSED
UNUSED
SPCR
SPSR
SPDR
BAUD
SCCR1
SCCR2
ACCESS BIT 7
BIT 6
BIT 5
BIT 4
READ:
PA7
PA6
PA5
PA4
WRITE:
READ:
PB7
PB6
PB5
PB4
WRITE:
READ:
PC7
PC6
PC5
PC4
WRITE
READ:
PD7
WRITE:
PD5
PD4
READ:
WRITE:
DDRA7 DDRA6 DDRA5 DDRA4
READ:
WRITE:
DDRB7 DDRB6 DDRB5 DDRB4
READ:
WRITE:
DDRC7 DDRC6 DDRC5 DDRC4
READ:
WRITE:
DDRD7
DDRD5 DDRD4
READ:
WRITE:
READ:
WRITE:
READ:
WRITE:
SPIE
SPE
DWOM
(C9A)
MSTR
READ:
SPIF WCOL
MODF
WRITE:
READ:
WRITE:
SPD7
SPD6
SPD5
SPD4
READ:
WRITE:
SCP1 SCP0
READ:
R8
T8
M
WRITE:
READ:
TIE
TCIE
RIE
ILIE
WRITE:
Figure 2-4. I/O Register Map
BIT 3
PA3
PB3
PC3
PD3
DDRA3
DDRB3
DDRC3
DDRD3
CPOL
SPD3
WAKE
TE
BIT 2
PA2
PB2
PC2
PD2
DDRA2
DDRB2
DDRC2
DDRD2
CPHA
SPD2
SCR2
RE
BIT 1
PA1
PB1
PC1
PD1
DDRA1
DDRB1
DDRC1
DDRD1
SPR1
SPD1
SCR1
RWU
BIT 0
PA0
PB0
PC0
PD0
DDRA0
DDRB0
DDRC0
DDRD0
SPR0
SPD0
SCR0
SBK
MC68HC705C9A — Rev. 2.0
Memory
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