mcf54455 Freescale Semiconductor, Inc, mcf54455 Datasheet - Page 36

• 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
5.13.4
5.14
Table 24
36
lists timer module AC timings.
Num
E10
E11
E12
E13
E14
E15
Name
32-Bit Timer Module Timing Specifications
T1
T2
MII Serial Management Timing Specifications
MDC cycle time
MDC pulse width
MDC to MDIO output valid
MDC to MDIO output invalid
MDIO input to MDC setup
MDIO input to MDC hold
DTnIN cycle time (n = 0:3)
DTnIN pulse width (n = 0:3)
MDIO (Output)
CRS, COL
MDC (Output)
MDIO (Input)
Figure 22. MII Serial Management Channel TIming Diagram
Table 23. MII Serial Management Channel Signal Timing
MCF5445x ColdFire
Table 24. Timer Module AC Timing Specifications
Characteristic
Figure 21. MII Async Inputs Timing Diagram
Characteristic
®
Microprocessor Data Sheet, Rev. 0
E11
E9
E12
E10
E11
E14
Valid Data
Valid Data
Symbol
t
MDC
E15
E13
Min
400
40
25
10
—
0
Min
3
1
Max
375
60
—
—
—
—
Max
Freescale Semiconductor
—
—
% t
Unit
ns
ns
ns
ns
ns
MDC
t
t
Unit
sys/2
sys/2