PS Gigabit Ethernet Controller Interface - DS926

Zynq UltraScale+ RFSoC Data Sheet: DC and AC Switching Characteristics (DS926)
Document ID
DS926
Release Date
2024-12-23
Revision
1.14 English
Table 1. RGMII Interface
Symbol Description 1 Min Max Units
TDCGEMTXCLK Transmit clock duty cycle 45 55 %
TGEMTXCKO TXD output clock to out time –0.5 0.5 ns
TGEMRXDCK RXD input setup time 0.8 – ns
TGEMRXCKD RXD input hold time 0.8 – ns
TMDIOCLK MDC output clock period 400 – ns
TMDIOCKL MDC low time 160 – ns
TMDIOCKH MDC high time 160 – ns
TMDIODCK MDIO input data setup time 80 – ns
TMDIOCKD MDIO input data hold time 0.0 – ns
TMDIOCKO MDIO output data delay time –1.0 15 ns
FGETXCLK RGMII_TX_CLK transmit clock frequency – 125 MHz
FGERXCLK RGMII_RX_CLK receive clock frequency – 125 MHz
FENET_REF_CLK Ethernet reference clock frequency – 125 MHz
  1. The test conditions are configured to the LVCMOS 2.5V I/O standard with a 12 mA drive strength, fast slew rate, and a 15 pF load.