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Os motores de busca de Datasheet de Componentes eletrônicos |
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Os motores de busca de Datasheet de Componentes eletrônicos |
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RZ/T2M Folha de dados(PDF) 109 Page - Renesas Technology Corp |
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RZ/T2M Folha de dados(HTML) 109 Page - Renesas Technology Corp |
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109 / 127 page  VOH = VCC33 × 0.5, VOL = VCC33 × 0.5, C = 25 pF (RMII) VOH = VCC33 × 0.5, VOL = VCC33 × 0.5, C = 30 pF (MII) Table 2.38 Ethernet interface timing Parameter Symbol Min. Max. Unit Reference figure Ethernet (RGMII) ETHn_TXCLK, ETHn_RXCLK cycle time duration 1 Gbps tRGMIIck 7.2 8.8 ns Figure 2.81 100 Mbps 36 44 10 Mbps 360 440 ETHn_TXCLK, ETHn_RXCLK frequency 1 Gbps — 125 − 50 ppm 125 + 50 ppm MHz 100 Mbps 25 − 50 ppm 25 + 50 ppm 10 Mbps 2.5 − 50 ppm 2.5 + 50 ppm ETHn_TXCLK, ETHn_RXCLK duty clcle 1 Gbps — 45 55 % 100 Mbps 10 Mbps 40 60 ETHn_TXCLK, ETHn_TXD0 to ETHn_TXD3, ETHn_TXEN (TX_CTL), ETHn_RXCLK, ETHn_RXD0 to ETHn_RXD3, ETHn_RXDV (RX_CTL) rise/fall time tRGMIIr, tRGMIIf — 0.75 ns ETHn_TXD0 to ETHn_TXD3, ETHn_TXEN (TX_CTL) to ETHn_TXCLK output skew tRGMIIos −0.5 0.5 ns ETHn_RXD0 to ETHn_RXD3, ETHn_RXDV (RX_CTL) setup time tRGMIIs 1 — ns ETHn_RXD0 to ETHn_RXD3, ETHn_RXDV (RX_CTL) hold time tRGMIIh 1 — ns Ethernet (RMII) ETHn_RXCLK cycle time tRMIIck 20 — ns Figure 2.82 ETHn_RXCLK frequency Typ. 50 MHz — 50 − 50 ppm 50 + 50 ppm MHz ETHn_RXCLK duty — 35 65 % ETHn_RXCLK rise/fall time tRMIIckr, tRMIIckf 0.5 3.5 ns ETHn_TXD0, ETHn_TXD1, ETHn_TXEN output delay time tRMIId 2.5 12 ns ETHn_RXD0, ETHn_RXD1, ETHn_RXER, ETHn_RXDV (CRS_DV) setup time tRMIIs 4 — ns ETHn_RXD0, ETHn_RXD1, ETHn_RXER, ETHn_RXDV (CRS_DV) hold time tRMIIh 2 — ns ETHn_TXD0, ETHn_TXD1, ETHn_TXEN, ETHn_RXD0, ETHn_RXD1, ETHn_RXER, ETHn_RXDV (CRS_DV) rise/fall time tRMIIr, tRMIIf 0.5 4 ns Ethernet (MII) ETHn_TXCLK, ETHn_RXCLK cycle time 100 Mbps tMIIck 40 — ns Figure 2.83 10 Mbps 400 — ETHn_TXCLK, ETHn_RXCLK frequency 100 Mbps — 25 − 50 ppm 25 + 50 ppm MHz 10 Mbps 2.5 − 50 ppm 2.5 + 50 ppm ETHn_TXD0 to ETHn_TXD3, ETHn_TXEN, ETHn_TXER output delay time tMIId 1 20 ns ETHn_RXD0 to ETHn_RXD3, ETHn_RXDV, ETHn_RXER setup time tMIIs 10 — ns ETHn_RXD0 to ETHn_RXD3, ETHn_RXDV, ETHn_RXER hold time tMIIh 10 — ns RZ/T2M Datasheet 2. Electrical Characteristics R01DS0383EJ0100 Rev.1.00 Mar 22, 2022 Page 109 of 127 |
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