MCF54455_08 Datasheet, PDF (39/48 Pages) Freescale Semiconductor, Inc – ColdFire® Microprocessor

Electrical Characteristics
SBF_CS
SBF_CK
SBF_DI
SBF_DO
SB3
SB1
SB2 SB2
SB7 SB8
First Data
SB6
First Data
Data
Data
SB4
Last Data
SB5
Last Data
Figure 25. SBF Timing
5.18 General Purpose I/O Timing Specifications
Table 28. GPIO Timing¹
Num
Characteristic
Min
Max Unit
G1 FB_CLK High to GPIO Output Valid
—
9
ns
G2 FB_CLK High to GPIO Output Invalid
1.5
—
ns
G3 GPIO Input Valid to FB_CLK High
9
—
ns
G4 FB_CLK High to GPIO Input Invalid
1.5
—
ns
1 _{These general purpose specifications apply to the following signals: IRQn, all UART signals, all timer}
signals, DACKn and DREQn, and all signals configured as GPIO.
FB_CLK
GPIO Outputs
GPIO Inputs
G1
G2
G3
G4
Figure 26. GPIO Timing
MCF5445x ColdFire^® Microprocessor Data Sheet, Rev. 2
Freescale Semiconductor
39