MC68HC08AS32A Datasheet, PDF (170/296 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Input/Output (I/O) Ports
Table 12-6. Port F Pin Functions
Accesses
DDRF
PTF
I/O Pin
to DDRF
Bit
Bit
Mode
Read/Write
0
X
Input, Hi-Z
DDRF[3:0]
1
X
Output
DDRF[3:0]
X = Don’t Care
Hi-Z = High Impedance
1. Writing affects data register, but does not affect input.
Accesses to PTF
Read
Pin
PTF[3:0]
Write
PTF[3:0]⁽¹⁾
PTF[3:0]
Data Sheet
170
Input/Output (I/O) Ports
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MC68HC08AS32A — Rev. 1
MOTOROLA