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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
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.