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AM6421 Datasheet(PDF) 145 Page - Texas Instruments |
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AM6421 Datasheet(HTML) 145 Page - Texas Instruments |
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145 / 237 page  FSI_TXn_CLK FSIT5 FSIT4 FSI_TXn_D0 FSI_TXn_D1 FSIT6 FSIT7 FSIT8 FSIT5 Figure 7-36. FSI Switching Characteristics - SPI Mode For more information, see Fast Serial Interface section in Peripherals chapter in the device TRM. 7.10.5.7 GPIO Table 7-44, Table 7-45, and Table 7-46 present timing conditions, requirements, and switching characteristics for GPIO. For more details about features and additional description information on the device GPIO, see the corresponding sections within Section 6.3, Signal Descriptions and Section 8, Detailed Description. Note The device has multiple GPIO modules. 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. Table 7-44. GPIO Timing Conditions PARAMETER BUFFER TYPE MIN MAX UNIT INPUT CONDITIONS SRI Input slew rate LVCMOS 0.75 6.6 V/ns I2C OD FS TBD TBD V/ns OUTPUT CONDITIONS CL Output load capacitance LVCMOS 3 10 pF I2C OD FS 3 100 pF Table 7-45. GPIO Timing Requirements NO. PARAMETER DESCRIPTION BUFFER TYPE MIN MAX UNIT GPIO1 tw(GPIO_IN) Pulse width, GPIOn_x LVCMOS 2P + 2.6 (1) ns I2C OD FS 2P + 2.6 (1) ns (1) P = functional clock period in ns. Table 7-46. GPIO Switching Characteristics NO. PARAMETER DESCRIPTION BUFFER TYPE MIN MAX UNIT GPIO2 tw(GPIO_OUT) Pulse width, GPIOn_x LVCMOS -3.6 + 0.975P (1) 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 AM6442, AM6441, AM6421 AM6412, AM6411 SPRSP56 – JANUARY 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 145 Product Folder Links: AM6442 AM6441 AM6421 AM6412 AM6411 |
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