MC68HC08AZ32A Datasheet, PDF (301/456 Pages) Motorola, Inc – HCMOS Microcontroller Unit

19.5 Port C
Freescale Semiconductor, Inc.
Port C is a 6-bit general-purpose bidirectional I/O port.
I/O Ports
Port C
19.5.1 Port C Data Register (PTC)
The port C data register contains a data latch for each of the six port C
pins.
PTC
$0002
Read:
Write:
Reset:
ALTERNATE
FUNCTIONS
Bit 7
6
5
4
3
2
0
0
PTC5 PTC4 PTC3 PTC2
R
R
Unaffected by reset
MCLK
R
= Reserved
Figure 19-7. 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 — System Clock Bit
The system clock is driven out of PTC2 when enabled by MCLKEN in
PTC DDR7.
MC68HC08AZ32A — Rev 1.0
MOTOROLA
I/O Ports
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Go to: www.freescale.com
Technical Data
301