AM3359_1211 Datasheet, PDF (114/222 Pages) Texas Instruments – AM335x ARM Cortex-A8 Microprocessors (MPUs)

AM3359, AM3358, AM3357
AM3356, AM3354, AM3352
SPRS717D – OCTOBER 2011 – REVISED MAY 2012
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Table 5-10. Switching Characteristics for RMII[x]_TXD[1:0], and RMII[x]_TXEN - RMII Mode
(see Figure 5-8)
NO.
PARAMETER
MIN TYP
MAX UNIT
1
t_{d(REF_CLK-TXD)}
t_{d(REF_CLK-TXEN)}
2
t_r(TXD)
t_{r(TX_EN)}
3
t_f(TXD)
t_{f(TX_EN)}
Delay time, REF_CLK high to TXD[1:0] valid
Delay time, REF_CLK to TXEN valid
Rise time, TXD outputs
Rise time, TX_EN output
Fall time, TXD outputs
Fall time, TX_EN output
2
13 ns
1
5 ns
1
5 ns
1
RMII[x]_REFCLK (Input)
RMII[x]_TXD[1:0],
RMII[x]_TXEN (Outputs)
3
2
Figure 5-8. RMII[x]_TXD[1:0], RMII[x]_TXEN Timing - RMII Mode
114 Peripheral Information and Timings
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