MC68HC08AZ60ACFU MOTOROLA [Motorola, Inc], MC68HC08AZ60ACFU Datasheet - Page 322

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

I/O Ports
Advance Information
322
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
DDRB Bit
0
1
When bit DDRBx is a logic one, reading address $0001 reads the PTBx
data latch. When bit DDRBx is a logic zero, reading address $0001
reads the voltage level on the pin. The data latch can always be written,
regardless of the state of its data direction bit.
the operation of the port B pins.
PTB Bit
X
X
(1)
Table 20-3. Port B Pin Functions
I/O Pin Mode
Input, Hi-Z
Output
I/O Ports
(2)
Accesses to
Read/Write
DDRB[7:0]
DDRB[7:0]
DDRB
Table 20-3
PTB[7:0]
MC68HC08AZ60A — Rev 0.0
Read
Pin
Accesses to PTB
summarizes
PTB[7:0]
PTB[7:0]
MOTOROLA
Write
(3)