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AM263P4 数据表(PDF) 145 Page - Texas Instruments |
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AM263P4 数据表(HTML) 145 Page - Texas Instruments |
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145 / 168 page  6.11.5.15 Universal Asynchronous Receiver/Transmitter (UART) For more details about features and additional description information on the device Universal Asynchronous Receiver Transmitter, see the corresponding subsections within Signal Descriptions and Detailed Description sections. For more information, see Universal Asynchronous Receiver/Transmitter (UART) section in the device TRM. 6.11.5.15.1 UART Timing Conditions PARAMETER MIN MAX UNIT INPUT CONDITIONS SRI Input Slew Rate 0.5 5 V/ns OUTPUT CONDITIONS CL Output Load Capacitance 1 30 pF 6.11.5.15.2 UART Timing Requirements NO. PARAMETER DESCRIPTION MIN MAX UNIT 4 tw(RX) Pulse width, receive data bit, high or low 0.95U(1) 1.05U(1) ns 5 tw(CTS) Pulse width, receive start bit, high or low 0.95U(1) ns (1) U = UART baud time = 1 / Programmed baud rate. 6.11.5.15.3 UART Switching Characteristics NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT f(baud) Programmable baud rate 15pF 12 Mbps 30pF 0.115 2 tw(TX) Pulse width, transmit data bit, high or low U(1) – 2.2 U(1) + 2.2 ns 3 tw(RTS) Pulse width, transmit start bit, high or low U(1) – 2.2 ns 1 td(CTS-TX) Delay time, receive CTS bit to transmit data 30 ns (1) U = UART baud time = 1 / Programmed baud rate. Figure 6-64. 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 145 Product Folder Links: AM263P4 AM263P2 AM263P4-Q1 AM263P2-Q1 |
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