參數(shù)資料
型號: MPC8378ECVRANFA
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 333 MHz, MICROPROCESSOR, PBGA689
封裝: 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
文件頁數(shù): 54/125頁
文件大?。?/td> 894K
代理商: MPC8378ECVRANFA
MPC8378E PowerQUICC II Pro Processor Hardware Specifications, Rev. 5
Freescale Semiconductor
34
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
15.0
20.0
25.0
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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