MC68HC08AZ0 Datasheet, PDF (336/444 Pages) Motorola, Inc – Advance Information

I/O Ports
Freescale Semiconductor, Inc.
Port C
Port C is a 6-bit general-purpose bidirectional I/O port.
Port C data
register (PTC)
The port C data register contains a data latch for each of the six port C
pins.
Bit 7
6
5
4
3
2
PTC ^Read:
0
$0002 _Write:
0
PTC5 PTC4 PTC3 PTC2
Reset:
Unaffected by reset
ALTERNATE
FUNCTIONS
MCLK
= Unimplemented
Figure 7. Port C data register (PTC)
1
PTC1
Bit 0
PTC0
PTC[5:0] — Port C data bits
These read/write bits are software-programmable. Data direction of
each port C pin is under the control of the corresponding bit in data
direction register C. Reset has no effect on port C data.
MCLK — T12 System Clock
The system clock is driven out of PTC2 when enabled by MCLKEN.
MC68HC08AZ0
334
I/O Ports
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8-io
MOTOROLA