mcf54455 Freescale Semiconductor, Inc, mcf54455 Datasheet - Page 40

• Manufacturer Part Number: mcf54455
• Description: 32-bit Microprocessor With Usb On-the-go, Ethernet, Pci, Ddr2/ddr Controller And Encryption
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
5.18
40
1
Num
General Purpose I/O Timing Specifications
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.
G1
G2
G3
G4
FB_CLK High to GPIO Output Valid
FB_CLK High to GPIO Output Invalid
GPIO Input Valid to FB_CLK High
FB_CLK High to GPIO Input Invalid
SBF_DO
SBF_CS
SBF_CK
SBF_DI
GPIO Outputs
GPIO Inputs
MCF5445x ColdFire
FB_CLK
Characteristic
SB7
SB3
First Data
First Data
G3
Table 28. GPIO Timing
Figure 26. GPIO Timing
Figure 25. SBF Timing
SB8
SB2
SB6
®
SB1
Microprocessor Data Sheet, Rev. 0
SB2
G1
G4
Data
Data
Last Data
1
Last Data
G2
SB5
SB4
Min
1.5
1.5
—
9
Freescale Semiconductor
Max
—
—
—
9
Unit
ns
ns
ns
ns