MC68HC908AZ60 Datasheet, PDF (314/480 Pages) Motorola, Inc – HCMOS Microcontroller Unit

I/O Ports
Port C
Port C Data
Register
Port C is an 6-bit general-purpose bidirectional I/O port.
The port C data register contains a data latch for each of the six port C
pins.
Address: $0002
Bit 7
Read: 0
Write: R
Reset:
R
Alternate
Functions:
6
5
0
PTC5
R
= Reserved
4
3
PTC4 PTC3
Unaffected by Reset
2
PTC2
MCLK
Figure 8. 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 (5:0).
MCLK — T12 System Clock Bit
The system clock is driven out of PTC2 when enabled by MCLKEN bit
in PTCDDR7.
MC68HC908AZ60 — Rev 2.0
312
I/O Ports
8-io
MOTOROLA