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AM6421 Datasheet(PDF) 205 Page - Texas Instruments |
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AM6421 Datasheet(HTML) 205 Page - Texas Instruments |
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205 / 237 page  Table 7-120. UART Timing Requirements (continued) see Figure 7-108 NO. PARAMETER DESCRIPTION MIN MAX UNIT 5 tw(CTS) Pulse width, receive start bit, high or low 0.95U (1) ns (1) U = UART baud time in ns = 1/programmed baud rate. Table 7-121. UART Switching Characteristics see Figure 7-108 NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT f(baud) Programmable baud rate 15 pF TDB Mbps 30 pF 0.115 Mbps 1 td(CTS-TX) Delay time, CTS bit to transmit data 30 ns 2 tw(TX) Pulse width, transmit data bit, high or low U - 2.2 (1) U + 2.2 (1) ns 3 tw(RTS) Pulse width, transmit start bit, high or low U - 2.2 (1) ns (1) U = UART baud time in ns = 1/programmed baud rate. Figure 7-108. UART Timing Requirements and Switching Characteristics For more information, see Universal Asynchronous Receiver/Transmitter (UART) section in Peripherals chapter in the device TRM. 7.10.5.19 USB The USB 2.0 subsystem is compliant with the Universal Serial Bus (USB) Specification, revision 2.0. Refer to the specification for timing details. The USB 3.1 GEN1 subsystem is compliant with the Universal Serial Bus (USB) 3.1 Specification, revision 1.0. Refer to the specification for timing details. For more details about features and additional description information on the device Universal Serial Bus Subsystem (USB), see the corresponding sections within Section 6.3, Signal Descriptions and Section 8, Detailed Description. 7.10.6 Emulation and Debug For more details about features and additional description information on the device Trace and JTAG interfaces, see the corresponding sections within Section 6.3, Signal Descriptions and Section 8, Detailed Description. www.ti.com AM6442, AM6441, AM6421 AM6412, AM6411 SPRSP56 – JANUARY 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 205 Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411 |
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