Input/Output (I/O) Ports
Port H
MC68HC908AB32 — Rev. 1.0 Technical Data
MOTOROLA Input/Output (I/O) Ports 337
Table 17-9. Port H Pin Functions
DDRH
Bit
PTH Bit
I/O Pin
Mode
Accesses
to DDRH
Accesses to PTH
Read/Write Read Write
0X
(1)
Input, Hi-Z
(2)
DDRH[1:0] Pin PTH[1:0]
(3)
1 X Output DDRH[1:0] PTH[1:0] PTH[1:0]
Notes:
1. X = don’t care.
2. Hi-Z = high impedance.
3. Writing affects data register, but does not affect the input.
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