Texas Instruments AM335x Sitara - Page 124

1
RMII[x]_REFCLK (Input)
RMII[x]_TXD[1:0],
RMII[x]_TXEN (Outputs)
2
3
AM3359, AM3358, AM3357, AM3356, AM3354, AM3352
SPRS717H –OCTOBER 2011–REVISED MAY 2015 www.ti.com
Table 7-15. Switching Characteristics for RMII[x]_TXD[1:0], and RMII[x]_TXEN - RMII Mode
(see Figure 7-12)
NO. PARAMETER MIN TYP MAX UNIT
t
d(REF_CLK-TXD)
Delay time, REF_CLK high to TXD[1:0] valid
1 2 13 ns
t
d(REF_CLK-TXEN)
Delay time, REF_CLK to TXEN valid
t
r(TXD)
Rise time, TXD outputs
2 1 5 ns
t
r(TX_EN)
Rise time, TX_EN output
t
f(TXD)
Fall time, TXD outputs
3 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
124 Peripheral Information and Timings Copyright © 2011–2015, Texas Instruments Incorporated
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