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Electrical Characteristics
MCF5272 ColdFire
®
Integrated Microprocessor User’s Manual, Rev. 3
23-28
Freescale Semiconductor
23.10 General-Purpose I/O Port AC Timing Specifications
lists GPIO port timings.
Figure 23-21. General-Purpose I/O Port Timing
Table 23-21. General-Purpose I/O Port AC Timing Specifications
Name
Characteristic
1
1
All timing references to SDCLK are given to its rising edge when bit 3 of the SDRAM control register is 0.
0–66 MHz
Unit
Min
Max
G1
PORTx input setup time to SDCLK (rising)
6
—
nS
G2
PORTx input hold time from SDCLK (rising)
0
—
nS
G3
SDCLK to PORTx output valid
—
11.5
nS
G4
SDCLK to PORTx output invalid (output hold)
1
—
nS
P3
SDCLK
PORTx OUT
P4
P1
P2
PORTx IN