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AM4376 Datasheet(PDF) 244 Page - Texas Instruments |
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AM4376 Datasheet(HTML) 244 Page - Texas Instruments |
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244 / 261 page ![]() 3 2 Start Bit Data Bits UART_TXD 5 Data Bits Bit Start 4 UART_RXD 1 MII_TXCLK (input) MII_TXD[3:0], MII_TXEN (outputs) AM4376, AM4377, AM4378, AM4379 SPRS851B – JUNE 2014 – REVISED APRIL 2015 www.ti.com Table 5-122. PRU-ICSS MII_RT Switching Characteristics - MII_TXD[3:0] and MII_TXEN (see Figure 5-138) 10 Mbps 100 Mbps NO. UNIT MIN TYP MAX MIN TYP MAX td(TX_CLK-TXD) Delay time, TX_CLK high to TXD[3:0] valid 1 5 25 5 25 ns td(TX_CLK-TX_EN) Delay time, TX_CLK to TX_EN valid Figure 5-138. PRU-ICSS MII_TXD[3:0], MII_TXEN Timing 5.12.16.4 PRU-ICSS Universal Asynchronous Receiver Transmitter (PRU-ICSS UART) Table 5-123. Timing Requirements for PRU-ICSS UART Receive (see Figure 5-139) NO. MIN MAX UNIT 3 tw(RX) Pulse width, receive start, stop, data bit 0.96U(1) 1.05U(1) ns (1) U = UART baud time = 1/programmed baud rate. Table 5-124. Switching Characteristics Over Recommended Operating Conditions for PRU-ICSS UART Transmit (see Figure 5-139) NO. MIN MAX UNIT 1 fbaud(baud) Maximum programmable baud rate 0 12 MHz 2 tw(TX) Pulse width, transmit start, stop, data bit U - 2(1) U + 2(1) ns (1) U = UART baud time = 1/programmed baud rate. Figure 5-139. PRU-ICSS UART Timing 244 Specifications Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Links: AM4376 AM4377 AM4378 AM4379 |
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