1
RMII[x]_REFCLK (Input)
RMII[x]_TXD[1:0],
RMII[x]_TXEN (Outputs)
2
3
124
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352, AM3351
SPRS717J – OCTOBER 2011 – REVISED APRIL 2016
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Peripheral Information and Timings
Copyright © 2011–2016, Texas Instruments Incorporated
Table 7-15. Switching Characteristics for RMII[x]_TXD[1:0], and RMII[x]_TXEN - RMII Mode
(see
NO.
PARAMETER
MIN
TYP
MAX
UNIT
1
t
d(REF_CLK-TXD)
Delay time, REF_CLK high to TXD[1:0] valid
2
13
ns
t
d(REF_CLK-TXEN)
Delay time, REF_CLK to TXEN valid
2
t
r(TXD)
Rise time, TXD outputs
1
5
ns
t
r(TX_EN)
Rise time, TX_EN output
3
t
f(TXD)
Fall time, TXD outputs
1
5
ns
t
f(TX_EN)
Fall time, TX_EN output
Figure 7-12. RMII[x]_TXD[1:0], RMII[x]_TXEN Timing - RMII Mode