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AM263P4 数据表(PDF) 139 Page - Texas Instruments |
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AM263P4 数据表(HTML) 139 Page - Texas Instruments |
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139 / 168 page  6.11.5.13.5 PRU-ICSS Universal Asynchronous Receiver Transmitter (UART) 6.11.5.13.5.1 PRU-ICSS 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 6.11.5.13.5.2 PRU-ICSS UART Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT PRUR1H tw(RXH) Pulse duration, Receive start, stop, data bit High U(1) ns PRUR1L tw(RXL) Pulse duration, Receive start, stop, data bit Low –2 + U(1) ns (1) U = UART baud time = 1/programmed baud rate. 6.11.5.13.5.3 PRU-ICSS UART Switching Characteristics NO. PARAMETER DESCRIPTION MIN MAX UNIT PRUR2 f(baud) Maximum programmable baud rate U(1) ns PRUR3H tw(TXH) Pulse duration, Transmit start, stop, data bit High –2 + U(1) ns (1) U = UART baud time = 1/programmed baud rate. PRUR3L Start Bit Data Bits PRG _UART0_TXD i PRU_UART_TIMING_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 6-56. PRU-ICSS UART Timing Requirements and Switching Characteristics www.ti.com AM263P4, AM263P2, AM263P4-Q1, AM263P2-Q1 SPRSP81D – OCTOBER 2023 – REVISED MAY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 139 Product Folder Links: AM263P4 AM263P2 AM263P4-Q1 AM263P2-Q1 |
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