General Purpose I/O ( GPIO)
MPC5200B Users Guide, Rev. 1
Freescale Semiconductor 7-25
7.3.1 GPIO Pin Multiplexing
Figure 7-3 shows the GPIO/Generic MUX cell.

Figure 7-3. GPIO/Gener ic MUX Cell

Pin MUX Logic

I/O Cell

Alternate Func 1
IN OUT
BC
Enabled
Alternate Func 2
IN OUT
BC
Enabled
TIMER
IN OUT
BC
Enabled
GPIO/d/W
IN OUT
BC
Enabled
ODconfig
Multi-
Function
Output Enable
Interrupt for WakeUp supported GPIO pins only
Awake
Note:
1. Open-Drain Emulation is supported on the GPIO function.
2. Pin MUX Logic is controlled by the Port Configuration Register and supersedes any individual
GPIO register programming.
I/O
Priority
Logic