mc68hc908ap8a Freescale Semiconductor, Inc, mc68hc908ap8a Datasheet - Page 268

• Manufacturer Part Number: mc68hc908ap8a
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Input/Output (I/O) Ports
Table 16-5
268
summarizes the operation of the port D pins.
1. X = don’t care.
2. Hi-Z = high impedance.
3. Writing affects data register, but does not affect input.
DDRD
Bit
0
1
PTD Bit
X
X
(1)
MC68HC908AP A-Family Data Sheet, Rev. 3
I/O Pin Mode
Input, Hi-Z
Table 16-5. Port D Pin Functions
Output
(2)
Accesses to DDRD
Read/Write
DDRD[7:0]
DDRD[7:0]
PTD[7:0]
Read
Pin
Accesses to PTD
PTD[7:0]
PTD[7:0]
Write
Freescale Semiconductor
(3)