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RZ/G2UL 데이터시트(PDF) 38 Page - Renesas Technology Corp |
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RZ/G2UL 데이터시트(HTML) 38 Page - Renesas Technology Corp |
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38 / 67 page ![]() RZ/G2UL Group 3. Electrical Characteristics R01DS0486EJ0110 Rev.1.10 Page 38 of 67 Jun 16, 2025 3.5.6.1 Ethernet-IF (Ether MII) Table 3.32 Ethernet-IF Access Timing (Ether MII) Item Symbol Min. Max. Unit Figures Ether MII ETH_GTXTXC_TXC period tTcyc 40 — ns Figure 3.19 ETH_TXCTL output delay tTENd 0 25 ns ETH_TXD3-0 output delay tMTDd 0 25 ns ETH_RXC period tRcyc 40 — ns ETH_RXDV setup time tRDVs 10 — ns ETH_RXDV hold time tRDVh 10 — ns ETH_RXD3-0 setup time tMRDs 10 — ns ETH_RXD3-0 hold time tMRDh 10 — ns ETH_RXER setup time tRERs 10 — ns ETH_RXER hold time tRERh 10 — ns Note: I/O driving ability: 8 mA CL = 8 pF ETn_TXD[3:0] ETn_TX_ERR ETn_TX_CTL/TX_EN ETn_TXC/TX_CLK (external clock) Preamble SFD Data CRC tTENd tMTDd ETn_RXD[3:0] ETn_RX_CTL/RX_DV ETn_RXC/RX_CLK (external clock) Preamble SFD Data tRDVs CRC tMRDs tRDVh ETn_RX_ERR tRERs tMRDh tRERh Figure 3.19 MII Transmission Timing Validated with IEEE802.3 regulation. The propagation delay for each twisted pair, measured from the MII connector to the PHY, shall not exceed 2.5 ns. The variation in the propagation delay of the twisted pairs in a given cable bundle, measured from the MII connector to the PHY, shall not exceed 0.1 ns. |
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