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TNETV2685FIBZUT9 Datasheet(PDF) 129 Page - Texas Instruments |
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TNETV2685FIBZUT9 Datasheet(HTML) 129 Page - Texas Instruments |
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129 / 191 page ![]() 3 2 Start Bit Data Bits UART_TXDn UART_RXDn 5 Data Bits Bit Start 4 TMS320DM647 TMS320DM648 www.ti.com SPRS372H – MAY 2007 – REVISED APRIL 2012 6.13.2 UART Electrical Data/Timing Table 6-58. Timing Requirements for UARTx Receive(1) (see Figure 6-33) 720, 800, 900, 1100 NO. UNIT MIN MAX 4 tw(URXDB) Pulse duration, receive data bit (RXDn) [15/30/100 pF] 0.96U 1.05U ns 5 tw(URXSB) Pulse duration, receive start bit [15/30/100 pF] 0.96U 1.05U ns (1) U = UART baud time = 1/programmed baud rate. Table 6-59. Switching Characteristics Over Recommended Operating Conditions for UARTx Transmit(1) (see Figure 6-33) 720, 800, 900, 1100 NO. PARAMETER UNIT MIN MAX 1 f(baud) Maximum programmable baud rate 5 MHz 2 tw(UTXDB) Pulse duration, transmit data bit (TXDn) [15/30/100 pF] U - 2 U + 2 ns 3 tw(UTXSB) Pulse duration, transmit start bit [15/30/100 pF] U - 2 U + 2 ns (1) U = UART baud time = 1/programmed baud rate. Figure 6-33. UART Transmit/Receive Timing Copyright © 2007–2012, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 129 Submit Documentation Feedback Product Folder Link(s): TMS320DM647 TMS320DM648 |
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