MC68HC08AZ60ACFU MOTOROLA [Motorola, Inc], MC68HC08AZ60ACFU Datasheet - Page 317

• Manufacturer Part Number: MC68HC08AZ60ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Data Direction Register G (DDRG)
Data Direction Register H (DDRH)
20.3 Port A
20.3.1 Port A Data Register (PTA)
MC68HC08AZ60A — Rev 0.0
MOTOROLA
Register Name
$0000
PTA
Table 20-1. I/O Port Register Summary (Continued)
Reset:
Read:
Write:
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
W:
W:
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.
R:
R:
PTA7
Bit 7
Bit 7
0
0
Figure 20-1. Port A data register (PTA)
PTA6
= Unimplemented
6
6
0
0
I/O Ports
PTA5
5
0
0
5
Unaffected by reset
PTA4
4
0
0
4
3
0
0
PTA3
3
DDRG2 DDRG1 DDRG0 $000E
2
0
PTA2
2
DDRH1 DDRH0 $000F
1
Advance Information
PTA1
1
Bit 0
I/O Ports
PTA0
Bit 0
Addr.
Port A
317