Motorola MCF5281 用户手册
26-26
MCF5282 User’s Manual
MOTOROLA
Initialization/Application Information
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 26-30.
driven to its respective pin, as shown in Figure 26-30.
Figure 26-30. Digital Output Timing
26.5 Initialization/Application Information
The initialization for the MCF5282 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.
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.
CLKOUT
OUTPUT DATA
OUTPUT PIN
REGISTER