MC68HC08AZ0 Datasheet, PDF (345/444 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
I/O Ports
Port E
READ DDRE ($000C)
WRITE DDRE ($000C)
RESET
WRITE PTE ($0008)
READ PTE ($0008)
DDREx
PTEx
PTEx
Figure 15. Port E I/O circuit
Table 6. Port E pin functions
DDRE Bit
0
PTE Bit
X⁽¹⁾
I/O Pin Mode
Input, Hi-Z⁽²⁾
Accesses to
DDRE
Read/Write
DDRE[7:0]
1
X
Output
DDRE[7:0]
1. X = don’t care
2. Hi-Z = high impedance
3. Writing affects data register, but does not affect input.
Accesses to PTE
Read
Pin
PTE[7:0]
Write
PTE[7:0]⁽³⁾
PTE[7:0]
17-io
MOTOROLA
I/O Ports
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MC68HC08AZ0
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