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AM652X Folha de dados(PDF) 235 Page - Texas Instruments |
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AM652X Folha de dados(HTML) 235 Page - Texas Instruments |
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235 / 282 page ![]() 7.9.5.21.4 PRU_ICSSG Universal Asynchronous Receiver Transmitter (PRU-ICSS UART) 7.9.5.21.4.1 PRU_ICSSG UART Electrical Data and Timing Table 7-73 presents the PRU_ICSSG UART timing conditions. Table 7-73. PRU_ICSSG UART Timing Conditions PARAMETER MIN MAX UNIT INPUT CONDITIONS SRI Input slew rate 0.01 0.33 V/ns OUTPUT CONDITIONS CL Output load capacitance 1 30 pF 7.9.5.21.4.1.1 PRU_ICSSG UART Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT PRUR1H tw(RXH) Pulse Duration, Receive start, stop, data bit High 2+0.95*U (1) ns PRUR1L tw(RXL) Pulse Duration, Receive start, stop, data bit Low 2+0.95*U (1) ns (1) U = UART baud time = 1/programmed baud rate. 7.9.5.21.4.1.2 PRU_ICSSG UART Switching Characteristics NO. PARAMETER DESCRIPTION MIN MAX UNIT f(baud) Programmable baud rate 12 MHz PRUR3L tw(TXH) Pulse Duration, Transmit start, stop, data bit High -2+U(1) ns PRUR3H tw(TXL) Pulse Duration, Transmit start, stop, data bit Low -2+U(1) ns (1) U = UART baud time = 1/programmed baud rate. PRUR3L Start Bit Data Bits PRG _UART0_TXD i SPRS91x_TIMING_PRU_UART_01 PRUR3H PRUR1L Data Bits Bit Start PRG _UART0_RXD i PRUR1H (1) (1) (1) i in PRG _UART0_RXD and PRG _UART0_TXD = 0, 1 or 2 i i Figure 7-108. PRU_ICSSG UART Timing 7.9.5.21.5 PRU_ICSSG Enhanced Capture Peripheral (PRU-ICSS ECAP) 7.9.5.21.5.1 PRU_ICSSG ECAP Electrical Data and Timing Table 7-74 presents ECAP timing conditions. Table 7-74. PRU_ICSSG ECAP Timing Conditions PARAMETER MIN MAX UNIT INPUT CONDITIONS SRI Input slew rate 1 3 V/ns OUTPUT CONDITIONS www.ti.com AM6548, AM6528, AM6526 SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 235 Product Folder Links: AM6548 AM6528 AM6526 |
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