mcf5282 Freescale Semiconductor, Inc, mcf5282 Datasheet - Page 528

• Manufacturer Part Number: mcf5282
• Manufacturer: Freescale Semiconductor, Inc

General Purpose I/O Module
CLKOUT
INPUT
PIN
REGISTER
PIN DATA
Figure 26-30. Digital Input Timing
Data written to the PORTn register of any pin configured as a digital output is immediately driven to its
respective pin, as shown in
Figure
26-31.
CLKOUT
OUTPUT DATA
REGISTER
OUTPUT PIN
Figure 26-31. Digital Output Timing
26.5
Initialization/Application Information
The initialization for the ports module is done during reset configuration. Some of the registers are reset
to a predetermined state, and others are reset according to which mode of operation is chosen by reset
configuration. Refer to
Section 26.3, “Memory Map/Register
Definition,” for more details on reset and
initialization.
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3
26-28
Freescale Semiconductor