MPC8541CPXAJD View Datasheet(PDF) - Freescale Semiconductor

Part Name

Description

MFG CO.

MPC8541CPXAJD

PowerQUICC™ III Integrated Communications Processor Hardware Specifications

Freescale Semiconductor 

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CPM

Figure 24 through Figure 29 represent the AC timing from Table 33 and Table 34. Note that although the

specifications generally reference the rising edge of the clock, these AC timing diagrams also apply when

the falling edge is the active edge.

Figure 24 shows the FCC internal clock.

BRG_OUT

FCC Input Signals

tFIIVKH

tFIIXKH

FCC Output Signals

(When GFMR TCI = 0)

tFIKHOX

FCC Output Signals

(When GFMR TCI = 1)

tFIKHOX

Figure 24. FCC Internal AC Timing Clock Diagram

Figure 25 shows the FCC external clock.

Serial CLKIN

FCC Input Signals

tFEIVKH

tFEIXKH

FCC Output Signals

(When GFMR TCI = 0)

tFEKHOX

FCC Output Signals

(When GFMR TCI = 1)

tFEKHOX

Figure 25. FCC External AC Timing Clock Diagram

Figure 26 shows Ethernet collision timing on FCCs.

COL

(Input)

tFCCH

Figure 26. Ethernet Collision AC Timing Diagram (FCC)

MPC8541E PowerQUICC™ III Integrated Communications Processor Hardware Specification, Rev. 4.2

44

Freescale Semiconductor

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