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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM6548 датащи(PDF) 233 Page - Texas Instruments |
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AM6548 датащи(HTML) 233 Page - Texas Instruments |
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233 / 277 page  SPRS91x_TIMING_PRU_RGMII_RT_05 RGMII_RXCLK (Input) PRPG5 PRPG6 RGMII_RXD[3:0], RGMII_RXDV, RGMII_RXER (Inputs) PRPG7 233 AM6548, AM6528, AM6546 AM6526, AM6527 www.ti.com SPRSP08I – NOVEMBER 2017 – REVISED DECEMBER 2019 Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2019, Texas Instruments Incorporated Table 5-109. PRU_ICSSG RGMII Timing Requirements - RGMII_RD[3:0] and RGMII_RCTL NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT PRRG5 tsu(RD-RXC) Setup time, RD[3:0] valid before RXC high/low 10 Mbps 1 ns 100 Mbps 1 ns 1000 Mbps 1 ns tsu(RX_CTL-RXC) Setup time, RX_CTL valid before RXC high/low 10 Mbps 1 ns 100 Mbps 1 ns 1000 Mbps 1 ns PRRG6 th(RXC-RD) Hold time, RD[3:0] valid after RXC high/low 10 Mbps 1 ns 100 Mbps 1 ns 1000 Mbps 1 ns th(RXC-RX_CTL) Hold time, RX_CTL valid after RXC high/low 10 Mbps 1 ns 100 Mbps 1 ns 1000 Mbps 1 ns PRRG7 tt(RD) Transition time, RD 10 Mbps 0.75 ns 100 Mbps 0.75 ns 1000 Mbps 0.75 ns tt(RX_CTL) Transition time, RX_CTL 10 Mbps 0.75 ns 100 Mbps 0.75 ns 1000 Mbps 0.75 ns Figure 5-114. PRU_ICSSG RGMII_RD[3:0] and RGMII_RCTL Input Timing Table 5-110. PRU_ICSSG RGMII Switching Characteristics - RGMII_TCLK NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT PRRG8 tc(TXC) Cycle time, TXC 10 Mbps 360 440 ns 100 Mbps 36 44 ns 1000 Mbps 7.2 8.8 ns PRRG9 tw(TXCH) Pulse duration, TXC high 10 Mbps 160 240 ns 100 Mbps 16 24 ns 1000 Mbps 3.6 4.4 ns PRRG10 tw(TXCL) Pulse duration, TXC low 10 Mbps 160 240 ns 100 Mbps 16 24 ns 1000 Mbps 3.6 4.4 ns PRRG11 tt(TXC) Transition time, TXC 10 Mbps 0.75 ns 100 Mbps 0.75 ns 1000 Mbps 0.75 ns |
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