mc68hc11d0cfn2 Freescale Semiconductor, Inc, mc68hc11d0cfn2 Datasheet - Page 25

• Manufacturer Part Number: mc68hc11d0cfn2
• Description: M68hc11 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

2.3.1 Control and Status Registers
MC68HC711D3 — Rev. 2
MOTOROLA
$000A
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
Addr.
Register Name
Port C Control Register
Data Direction Register
Data Direction Register
Data Direction Register
Port A Data Register
Port C Data Register
Port B Data Register
Port D Data Register
for Port C (DDRC)
for Port D (DDRD)
for Port B (DDRB)
Figure 2-2. Register and Control Bit Assignments (Sheet 1 of 5)
See page 68.
See page 70.
See page 70.
See page 69.
See page 69.
See page 71.
See page 71.
See page 72.
Figure 2-2
data registers, and reserved locations that make up the internal register block. This
block may be mapped to any 4-K boundary in memory, but reset locates it at
$0000–$003F. This mappability factor and the default starting addresses are
indicated by the use of a bold 0 as the starting character of a register’s address.
Reserved
Reserved
Reserved
(PORTC)
(PORTD)
(PORTA)
(PORTB)
(PIOC)
Freescale Semiconductor, Inc.
For More Information On This Product,
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Read:
Write:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
is a representation of all 64 bytes of control and status registers, I/O and
DDC7
DDD7
DDB7
Bit 7
PA7
Hi-Z
PC7
PB7
PD7
Operating Modes and Memory
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R
R
R
0
0
0
0
0
0
= Unimplemented
DDC6
DDD6
DDB6
PA6
PC6
PB6
PD6
R
R
R
6
0
0
0
0
0
0
0
CWOM
DDC5
DDD5
DDB5
PA5
PC5
PB5
PD5
R
R
R
5
0
0
0
0
0
0
Reset configures pins as Hi-Z inputs
Reset configures pins as Hi-Z inputs
DDC4
DDD4
DDB4
PA4
PC4
PB4
PD4
R
R
R
R
4
0
0
0
0
0
0
0
= Reserved
DDC3
DDD3
DDB3
PA3
Hi-Z
PC3
PB3
PD3
R
R
R
3
0
0
0
0
0
0
Operating Modes and Memory
DDC2
DDD2
DDB2
PA2
PC2
BP2
PD2
Hi-Z
R
R
R
2
0
0
0
0
0
0
U = Unaffected
DDC1
DDD1
DDB1
PA1
Hi-Z
PC1
BP1
PD1
R
R
R
1
0
0
0
0
0
0
Memory Map
Data Sheet
DDB0
DDC0
DDD0
Bit 0
PC0
PD0
PA0
Hi-Z
PB0
R
R
R
0
0
0
0
0
0
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