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AM2732 Datasheet(PDF) 62 Page - Texas Instruments

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Part # AM2732
Description  AM273x Sitara??Microcontrollers
PDF  97 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AM2732 Datasheet(HTML) 62 Page - Texas Instruments

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REF_CLK (PRCM)
rmiin_txd1−rmiin_txd0,
rmiin_txen (Outputs)
SPRS8xx_GMAC_RMIITX_06
RMII7
RMII8
RMII9
RMII11
RMII10
Figure 7-13. GMAC Transmit Interface Timing RMIIn Operation
7.11.3.3.8 RMII Receive Clock Timing Requirements
NO.
MIN
MAX
UNIT
RMII1 tc(REF_CLK)
Cycle time, REF_CLK
20
ns
RMII2 tw(REF_CLKH)
Pulse duration, REF_CLK high
7
13
ns
RMII3 tw(REF_CLKL)
Pulse duration, REF_CLK low
7
13
ns
RMII4 ttt(REF_CLK)
Transistion time, REF_CLK
3
ns
7.11.3.3.9 RMII Receive Data and Control Timing Requirements
NO.
MIN
MAX
UNIT
RMII5
tsu(RXD-REF_CLK)
Setup time, receive selected signals valid before REF_CLK
4
ns
tsu(CRS_DV-REF_CLK)
tsu(RX_ER-REF_CLK)
RMII6
th(REF_CLK-RXD)
Hold time, receive selected signals valid after REF_CLK
2
ns
th(REF_CLK-CRS_DV)
th(REF_CLK-RX_ER)
REF_CLK (PRCM)
RMII5
RMII6
rmiin_rxd1−
rmin_rxer
rmiin_rxd0,
rmiin_crs,
(inputs)
SPRS8xx_GMAC_RMIIRX_05
RMII1
RMII3
RMII2
RMII4
Figure 7-14. GMAC Receive Interface Timing RMIIn operation
7.11.3.3.10 MII Transmit Switching Characteristics
NO.
PARAMETER
DESCRIPTION
MIN
MAX
UNIT
1
td(TX_CLK-TXD)
Delay time, miin_txclk to transmit selected signals valid
0
25
ns
td(TX_CLK-TX_EN)
td(TX_CLK-TX_ER)
AM2732, AM2732-Q1
SWRS245A – DECEMBER 2021 – REVISED FEBRUARY 2022
www.ti.com
62
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Copyright © 2022 Texas Instruments Incorporated
Product Folder Links: AM2732 AM2732-Q1



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