MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 188

• Manufacturer Part Number: MC68HC708AS48
• Description: Advance Information
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Input/Output (I/O) Ports
15.3 Port A
15.3.1 Port A Data Register
Advance Information
188
Address:
Port A is an 8-bit, general-purpose, bidirectional I/O port.
The port A data register contains a data latch for each of the eight
port A pins.
PTA[7:0] — Port A Data Bits
Reset:
Read:
Write:
These read/write bits are software programmable. Data direction of
each port A pin is under the control of the corresponding bit in data
direction register A. Reset has no effect on port A data.
$0000
PTA7
Bit 7
Figure 15-2. Port A Data Register (PTA)
Input/Output (I/O) Ports
PTA6
6
PTA5
5
Unaffected by Reset
PTA4
4
PTA3
3
MC68HC708AS48
PTA2
2
PTA1
1
MOTOROLA
—
Rev. 4.0
PTA0
Bit 0