MC68HC705J MOTOROLA [Motorola, Inc], MC68HC705J Datasheet - Page 89

• Manufacturer Part Number: MC68HC705J
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

6.3 Port A
6.3.1 Port A Data Register
MC68HC705J1A — Rev. 4.0
MOTOROLA
Address:
Port A is an 8-bit bidirectional port.
The port A data register (PORTA) contains a latch for each port A pin.
PA[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
Bit 7
PA7
Parallel Input/Output (I/O) Ports
Figure 6-2. Port A Data Register (PORTA)
PA6
6
PA5
5
Unaffected by reset
PA4
4
PA3
3
Parallel Input/Output (I/O) Ports
PA2
2
PA1
1
Technical Data
Bit 0
PA0
Port A
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