MPC8378E datasheet(34/128 Pages) FREESCALE

Il numero della parte	MPC8378E

Spiegazioni elettronici	PowerQUICC II Pro Processor

PDF	128 Pages

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Produttore elettronici	FREESCALE [Freescale Semiconductor, Inc]

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MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8

Freescale Semiconductor

This figure shows the RGMII and RTBI AC timing and multiplexing diagrams.

Figure 15. RGMII and RTBI AC Timing and Multiplexing Diagrams

8.3.5

RMII AC Timing Specifications

This section describes the RMII transmit and receive AC timing specifications.

8.3.5.1

RMII Transmit AC Timing Specifications

This table shows the RMII transmit AC timing specifications.

Table 34. RMII Transmit AC Timing Specifications

At recommended operating conditions with LVDD of 3.3 V ± 5%.

Parameter

Symbol1

Min

Typical

Max

Unit

REF_CLK clock period

tRMT

15.020.025.0

REF_CLK duty cycle

tRMTH

REF_CLK peak-to-peak jitter

tRMTJ

—

250

Rise time REF_CLK (20%–80%)

tRMTR

1.0

—

2.0

GTX_CLK

tRGT

tRGTH

tSKRGT_TX

TX_CTL

TXD[8:5]

TXD[7:4]

TXD[9]

TXERR

TXD[4]

TXEN

TXD[3:0]

(At Transmitter)

TXD[8:5][3:0]

TXD[7:4][3:0]

TX_CLK

(At PHY)

RX_CTL

RXD[8:5]

RXD[7:4]

RXD[9]

RXERR

RXD[4]

RXDV

RXD[3:0]

RXD[8:5][3:0]

RXD[7:4][3:0]

RX_CLK

(At PHY)

tSKRGT_RX

tSKRGT_TX

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