MC68HC11E1 MOTOROLA [Motorola, Inc], MC68HC11E1 Datasheet - Page 22

• Manufacturer Part Number: MC68HC11E1
• Description: M68HC11E Series Programming Reference Guide
• Manufacturer: MOTOROLA [Motorola, Inc]

M68HC11ERG/AD
M68HC11E Series Registers
22
$1000
$1001
$1002
$1003
$1004
$1005
$1006
$1007
$1008
$1009
$100A
Addr.
Port C Data Direction Register
Port D Data Direction Register
Parallel I/O Control Register
Port C Latched Register
Port C Data Register
Port D Data Register
Figure 6. Register and Control Bit Assignments (Sheet 1 of 6)
Port A Data Register
Port B Data Register
Port E Data Register
Register Name
(PORTCL)
Reserved
Reserved
(PORTC)
(PORTB)
(PORTD)
(PORTE)
(PORTA)
(DDRC)
(DDRD)
(PIOC)
Figure 6
128-byte register block can be remapped to any 4K boundary.
M68HC11E Series Programming Reference Guide
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
provides a summary of the M68HC11E registers. Note that the
I = Indeterminate after reset
DDRC7
PCL7
STAF
Bit 7
PC7
PA7
PB7
PE7
R
R
U
0
0
0
0
0
I
= Unimplemented
DDRC6
PCL6
STAI
PC6
PA6
PB6
PE6
R
R
U
6
0
0
0
0
0
0
DDRC5
DDRD5
CWOM
PCL5
PC5
PB5
PD5
PE5
PA5
R
R
5
0
0
0
0
0
I
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
DDRC4
DDRD4
HNDS
PCL4
PC4
PB4
PD4
PE4
PA4
R
R
R
4
0
0
0
0
0
I
= Reserved
DDRC3
DDRD3
PCL3
PC3
PB3
PD3
PE3
PA3
OIN
R
R
3
0
0
0
0
I
I
DDRC2
DDRD2
U = Unaffected
PCL2
PC2
PD2
PA2
PLS
PB2
PE2
R
U
R
2
0
0
0
I
I
DDRC1
DDRD1
PCL1
EGA
PC1
PB1
PD1
PE1
PA1
R
R
1
1
0
0
0
I
I
MOTOROLA
DDRC0
DDRD0
PCL0
INVB
Bit 0
PC0
PD0
PA0
PB0
PE0
R
R
1
0
0
0
I
I