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AM2434...ALV 数据表(PDF) 163 Page - Texas Instruments |
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AM2434...ALV 数据表(HTML) 163 Page - Texas Instruments |
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163 / 280 page  7.10.5.7 GPIO Table 7-48, Table 7-49, and Table 7-50 present timing conditions, requirements, and switching characteristics for GPIO. The device has three instances of the GPIO module. • MCU_GPIO0 • GPIO0 • GPIO1 Note GPIOn_x is generic name used to describe a GPIO signal, where n represents the specific GPIO module and x represents one of the input/output signals associated with the module. For additional description information on the device GPIO, see the corresponding subsections within Signal Descriptions and Detailed Description sections. Table 7-48. GPIO Timing Conditions PARAMETER BUFFER TYPE MIN MAX UNIT INPUT CONDITIONS SRI Input slew rate LVCMOS 0.2 6.6 V/ns I2C OD FS 0.2 0.8 V/ns OUTPUT CONDITIONS CL Output load capacitance LVCMOS 3 10 pF I2C OD FS 3 100 pF Table 7-49. GPIO Timing Requirements NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT GPIO1 tw(GPIO_IN) Pulse width, GPIOn_x 1.8 V 2P + 2.6 (1) ns 3.3 V 2P + 3.5 (1) ns (1) P = functional clock period in ns. Table 7-50. GPIO Switching Characteristics NO. PARAMETER DESCRIPTION BUFFER TYPE MIN MAX UNIT GPIO2 tw(GPIO_OUT) Pulse width, GPIOn_x LVCMOS 0.975P(1) - 3.6 ns I2C OD FS 160 ns (1) P = functional clock period in ns. For more information, see General-Purpose Interface (GPIO) section in Peripherals chapter in the device TRM. www.ti.com AM2434, AM2432, AM2431 SPRSP65D – APRIL 2021 – REVISED AUGUST 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 163 Product Folder Links: AM2434 AM2432 AM2431 |
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