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AM261...ZEJ 数据表(PDF) 124 Page - Texas Instruments |
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AM261...ZEJ 数据表(HTML) 124 Page - Texas Instruments |
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124 / 218 page  6.11.5.6 General Purpose Input/Output (GPIO) For more details about features and additional description information on the device GPIO, see the corresponding subsections within Signal Descriptions and Detailed Description sections. For more information, see General-Purpose Interface (GPIO) section in the device TRM. 6.11.5.6.1 GPIO Timing Conditions PARAMETER BUFFER TYPE MIN MAX UNIT INPUT CONDITIONS SRI Input Slew Rate 0.75 6.6 V/ns OUTPUT CONDITIONS CL Output Load Capacitance LVCMOS 3 10 pF I2C OD FS(1) 3 10 pF (1) A pull-up resistor is required for buffer type I2C OD FS. 6.11.5.6.2 GPIO Timing Requirements NO. PARAMETER DESCRIPTION BUFFER TYPE MIN MAX UNIT D3 tw(GPIO_IN) Minimum Input Pulse Width LVCMOS 2P(1) + 2 ns D4 I2C OD FS(2) 2P(1) + 2 ns (1) P = functional clock period in ns. (2) A pull-up resistor is required for buffer type I2C OD FS. 6.11.5.6.3 GPIO Switching Characteristics NO. PARAMETER DESCRIPTION BUFFER TYPE MIN MAX UNIT D1 tw(GPIO_OUT) Minimum Output Pulse Width LVCMOS 0.975P(1) – 2 ns D2 tw(GPIO_OUT) Minimum Output Pulse Width Low I2C OD FS(2) 2P(1) + 160 ns D3 tw(GPIO_OUT) Minimum Output Pulse Width High I2C OD FS(2) 2P(1) + 160 ns (1) P = functional clock period in ns. (2) A pull-up resistor is required for buffer type I2C OD FS. AM2612, AM2611, AM2611-Q1, AM2612-Q1 SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025 www.ti.com 124 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: AM2612 AM2611 AM2611-Q1 AM2612-Q1 |
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