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AM5728 Datasheet(PDF) 352 Page - Texas Instruments |
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AM5728 Datasheet(HTML) 352 Page - Texas Instruments |
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352 / 415 page  1 MII_TXCLK (input) MII_TXD[3:0], MII_TXEN (outputs) SPRS91x_TIMING_PRU_MII_RT_07 MII_MRCLK (Input) 1 2 MII_RXD[3:0], MII_RXDV, MII_RXER (Inputs) SPRS91x_TIMING_PRU_MII_RT_06 352 AM5729, AM5728, AM5726 SPRS953F – DECEMBER 2015 – REVISED MAY 2019 www.ti.com Submit Documentation Feedback Product Folder Links: AM5729 AM5728 AM5726 Timing Requirements and Switching Characteristics Copyright © 2015–2019, Texas Instruments Incorporated Figure 7-106. PRU-ICSS MII_RXD[3:0], MII_RXDV, and MII_RXER Timing Table 7-151. PRU-ICSS MII_RT Switching Characteristics - MII_TXD[3:0] and MII_TXEN NO. PARAMETER DESCRIPTION SPEED MIN MAX UNIT 1 td(TX_CLK-TXD) Delay time, TX_CLK high to TXD[3:0] valid 10 Mbps 5 33 ns td(TX_CLK-TX_EN) Delay time, TX_CLK to TX_EN valid td(TX_CLK-TXD) Delay time, TX_CLK high to TXD[3:0] valid 100 Mbps 5 25 ns td(TX_CLK-TX_EN) Delay time, TX_CLK to TX_EN valid Figure 7-107. PRU-ICSS MII_TXD[3:0], MII_TXEN Timing 7.25.4 PRU-ICSS Universal Asynchronous Receiver Transmitter (PRU-ICSS UART) Table 7-152. Timing Requirements for PRU-ICSS UART Receive NO. PARAMETER DESCRIPTION MIN MAX UNIT 3 tw(RX) Pulse duration, receive start, stop, data bit 0.96U (1) 1.05U ns (1) U = UART baud time = 1/programmed baud rate. Table 7-153. Switching Characteristics Over Recommended Operating Conditions for PRU-ICSS UART Transmit NO. PARAMETER DESCRIPTION MIN MAX UNIT 1 ƒbaud(baud) Maximum programmable baud rate 0 12 MHz 2 tw(TX) Pulse duration, transmit start, stop, data bit U - 2 (1) U + 2 ns |
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