Visible to Intel only — GUID: puk1662081329556
Ixiasoft
Visible to Intel only — GUID: puk1662081329556
Ixiasoft
HPS Ethernet Media Access Controller (EMAC) Timing Characteristics
Symbol | Description | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Tclk (1000Base-T) | TX_CLK clock period (125 MHz) | — | 8 | — | ns |
Tclk (100Base-T) | TX_CLK clock period (25 MHz) | — | 40 | — | ns |
Tclk (10Base-T) | TX_CLK clock period (2.5 MHz) | — | 400 | — | ns |
Tdutycycle (1000Base-T) | TX_CLK duty cycle | 45 | 50 | 55 | % |
Tdutycycle (10/100Base-T) | TX_CLK duty cycle | 40 | 50 | 60 | % |
Td 150 151 | TXD/TX_CTL to TX_CLK output skew | –0.5 | — | 0.5 | ns |
Symbol | Description | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Tclk (1000Base-T) | RX_CLK clock period (125 MHz) | — | 8 | — | ns |
Tclk (100Base-T) | RX_CLK clock period (25 MHz) | — | 40 | — | ns |
Tclk (10Base-T) | RX_CLK clock period (2.5 MHz) | — | 400 | — | ns |
Tdutycycle (1000Base-T) | RX_CLK duty cycle | 45 | 50 | 55 | % |
Tdutycycle (10/100Base-T) | RX_CLK duty cycle | 40 | 50 | 60 | % |
Tsu | RX_D/RX_CTL to RX_CLK setup time | 1 | — | — | ns |
Th 152 | RX_CLK to RX_D/RX_CTL hold time | 1 | — | — | ns |
Symbol | Description | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Fclk | MDC clock frequency | — | — | 2.5 | MHz |
Tclk | MDC clock period | 400 | — | — | ns |
Td | MDC to MDIO output data delay | 10 | — | 300 | ns |
Tsu | Setup time for MDIO data | 10 | — | — | ns |
Th | Hold time for MDIO data | 0 | — | — | ns |
SGMII Timing Requirements
SGMII operating mode is supported through FPGA fabric using SGMII PCS soft IP and LVDS SERDES IP. Refer to the LVDS SERDES Specifications section for timing specifications.
SGMII+ operating mode is supported through FPGA fabric using SGMII+ PCS soft IP and serial transceiver interface. Refer to the Transceiver Performance Specifications section for timing specifications.