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PPC8567ECVTANJJA Scheda tecnica(PDF) 39 Page - Freescale Semiconductor, Inc

Il numero della parte PPC8567ECVTANJJA
Spiegazioni elettronici  MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications
PDF  139 Pages
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Produttore elettronici  FREESCALE [Freescale Semiconductor, Inc]
Homepage  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PPC8567ECVTANJJA Scheda tecnica(HTML) 39 Page - Freescale Semiconductor, Inc

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MPC8568E/MPC8567E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1
Freescale Semiconductor
39
Ethernet Interface and MII Management
Figure 18 shows the RGMII and RTBI AC timing and multiplexing diagrams.
Figure 18. RGMII and RTBI AC Timing and Multiplexing Diagrams
8.2.7
RMII AC Timing Specifications
This section describes the RMII transmit and receive AC timing specifications.
8.2.7.1
RMII Transmit AC Timing Specifications
The RMII transmit AC timing specifications are in Table 35.
Table 35. RMII Transmit AC Timing Specifications
At recommended operating conditions with LVDD of 3.3 V ± 5%.
Parameter/Condition
Symbol 1
Min
Typ
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
Fall time REF_CLK (80%–20%)
tRMTF
1.0
—
2.0
ns
GTX_CLK
tRGT
tRGTH
tSKRGT
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
tSKRGT
tSKRGT



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