參數(shù)資料
型號: MPC8378E-MDS-PB
廠商: Freescale Semiconductor
文件頁數(shù): 57/128頁
文件大小: 0K
描述: BOARD PROCESSOR FOR MDS S
標準包裝: 1
類型: MPU
適用于相關產(chǎn)品: MPC8378
所含物品:
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 8
34
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
ns
REF_CLK duty cycle
tRMTH
35
50
65
%
REF_CLK peak-to-peak jitter
tRMTJ
250
ps
Rise time REF_CLK (20%–80%)
tRMTR
1.0
2.0
ns
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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