MC68HC08AZ0 Datasheet, PDF (341/444 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
I/O Ports
Port D
READ DDRD ($0007)
WRITE DDRD ($0007)
RESET
WRITE PTD ($0003)
READ PTD ($0003)
DDRDx
PTDx
PTDx
Figure 12. Port D I/O circuit
Table 5. Port D pin functions
DDRD Bit
0
PTD Bit
X⁽¹⁾
I/O Pin Mode
Input, Hi-Z⁽²⁾
Accesses to
DDRD
Read/Write
DDRD[7:0]
1
X
Output
DDRD[7:0]
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
Accesses to PTD
Read
Pin
PTD[7:0]
Write
PTD[7:0]⁽³⁾
PTD[7:0]
13-io
MOTOROLA
I/O Ports
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MC68HC08AZ0
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