MC68HC705 MOTOROLA [Motorola, Inc], MC68HC705 Datasheet - Page 83

• Manufacturer Part Number: MC68HC705
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

7.5 Port C
7.5.1 Port C Data Register
MC68HC705C8A — Rev. 2.0
MOTOROLA
Address:
Port C is an 8-bit, general-purpose, bidirectional I/O port. PC7 has a high
current sink and source capability.
The port C data register (PORTC) shown in
latch for each of the eight port C pins. When a port C pin is programmed
to be an output, the state of its data register bit determines the state of
the output pin. When a port C pin is programmed to be an input, reading
the port C data register returns the logic state of the pin.
PC7–PC0 — Port C Data Bits
Reset:
Read:
Write:
These read/write bits are software programmable. Data direction of
each bit is under the control of the corresponding bit in data direction
register C. PC7 has a high current sink and source capability. Reset
has no effect on port C data.
$0002
Bit 7
PC7
Figure 7-7. Port C Data Register (PORTC)
Parallel Input/Output (I/O)
PC6
6
PC5
5
Unaffected by reset
PC4
4
PC3
3
Figure 7-7
PC2
Parallel Input/Output (I/O)
2
contains a data
PC1
1
Technical Data
Bit 0
PC0
Port C
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