MC68HC08AZ60ACFU MOTOROLA [Motorola, Inc], MC68HC08AZ60ACFU Datasheet - Page 342

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

I/O Ports
Advance Information
342
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
DDRH Bit
0
1
When bit DDRHx is a logic one, reading address $000B reads the PTHx
data latch. When bit DDRHx is a logic zero, reading address $000B
reads the voltage level on the pin. The data latch can always be written,
regardless of the state of its data.
of the port H pins.
PTH Bit
X
X
(1)
Table 20-9. Port H Pin Functions
I/O Pin Mode
Input, Hi-Z
Output
I/O Ports
(2)
Accesses to
Read/Write
DDRH[1:0]
DDRH[1:0]
DDRH
Table 20-9
summarises the operation
PTH[1:0]
MC68HC08AZ60A — Rev 0.0
Read
Pin
Accesses to PTH
PTH[1:0]
PTH[1:0]
MOTOROLA
Write
(3)