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FPC402RHUR Datasheet(PDF) 3 Page - Texas Instruments |
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FPC402RHUR Datasheet(HTML) 3 Page - Texas Instruments |
3 / 7 page 3 FPC402 www.ti.com SNLS583 – JUNE 2017 Product Folder Links: FPC402 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated 5 Description (continued) The FPC402 is compatible with standard SFF-8431, SFF-8436, and SFF-8449 low-speed management interfaces, including a dedicated 100- or 400-kHz I2C interface to each port. Additional general-purpose pins are available to perform functions such as driving port status LEDs or controlling power switches. The LED drivers have convenience features such as programmable blinking and dimming. The interface to the host controller can operate on a separate supply voltage between 1.8 V and 3.3 V to support low-voltage I/Os. The FPC402 can prefetch data from user-specified registers in each module, making the data readily accessible to the host through a fast I2C (up to 1 MHz) or SPI (up to 10 MHz) interface. In addition, the FPC402 can trigger an interrupt to the host whenever critical, user-configurable events occur associated with any of the ports the device controls. This eliminates the need to continuously poll the modules. |
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