MII_MRCLK (Input)
1
2
MII_RXD[3:0],
MII_RXDV,
MII_RXER (Inputs)
MII_TXCLK
2
3
1
4
4
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H – OCTOBER 2011 – REVISED MAY 2015
Table 7-108. PRU-ICSS MII_RT Timing Requirements - MII[x]_TXCLK
(see
)
10 Mbps
100 Mbps
NO.
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
1
t
c(TX_CLK)
Cycle time, TX_CLK
399.96
400.04
39.996
40.004
ns
2
t
w(TX_CLKH)
Pulse duration, TX_CLK high
140
260
14
26
ns
3
t
w(TX_CLKL)
Pulse duration, TX_CLK low
140
260
14
26
ns
4
t
t(TX_CLK)
Transition time, TX_CLK
3
3
ns
Figure 7-110. PRU-ICSS MII_TXCLK Timing
Table 7-109. PRU-ICSS MII_RT Timing Requirements - MII_RXD[3:0], MII_RXDV, and MII_RXER
(see
)
10 Mbps
100 Mbps
NO.
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
t
su(RXD-RX_CLK)
Setup time, RXD[3:0] valid before RX_CLK
1
t
su(RX_DV-RX_CLK)
Setup time, RX_DV valid before RX_CLK
8
8
ns
t
su(RX_ER-RX_CLK)
Setup time, RX_ER valid before RX_CLK
t
h(RX_CLK-RXD)
Hold time RXD[3:0] valid after RX_CLK
2
t
h(RX_CLK-RX_DV)
Hold time RX_DV valid after RX_CLK
8
8
ns
t
h(RX_CLK-RX_ER)
Hold time RX_ER valid after RX_CLK
Figure 7-111. PRU-ICSS MII_RXD[3:0], MII_RXDV, and MII_RXER Timing
Copyright © 2011–2015, Texas Instruments Incorporated
Peripheral Information and Timings
231
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