FT121 - FTDI

FT121 Enhanced USB Device Controller

Document No.: FT_000648 FT121 ENHANCED USB DEVICE CONTROLLER WITH SPI SLAVE IC Datasheet Version 1.2 Clearance No.: FTDI# 312 Future Technology Devices International Ltd. FT121 (Enhanced USB Device Controller with SPI Slave IC) The FT121 is a USB generic interface controller with the following advanced  features:  USB 2.0 Full Speed compatible   Hi.

Features

 USB 2.0 Full Speed compatible

 High performance USB device controller with
 integrated SIE, endpoint buffer, transceiver and voltage regulators
 Integrated DP pull-up resistor for USB connection Supports bus-powered or self-powered applications VCC power supply operation at 3.3V or 5V Internal 1.8V and 3.3V LDO regulators
 Fully integrated clock generation with no
 VCC IO level range from 1.8V to 3.3V external crystal required
 Integrated power-on-reset circuit
 Supports Serial Parallel interface (SPI) slave to
 UHCI/OHCI/EHCI host controller compatible external microcont.