FT121中文资料FT121 USB full-speed Device Controller with SPI Interface数据手册FTDI规格书

描述 Description

Note that this product is now obsolete and isnot recommended for new designs. The FT121 provides a cost and feature optimized USB full-speed device controller.The device provides an SPI slave interface to the host processor and has internal clocking allowing for space optimised designs. Offering USB connectivity with bulk, isochronous or interrupt endpoints, the device also includes USB Battery charger detection for recharging battery operated devices over USB.

特性 Features

·USB 2.0 Full Speed compatible
·SPI slave interface to host processor
·Support for multiple interrupt modes tofacilitate bulk and isochronous transfers
·Fully autonomous DMA engines for fast datatransfer
·Integrated 2 kbytes of configurableendpoint buffer
·Doublebuffer scheme for main endpoint improves data transfer rates.
·Good USB connection indicator that blinks with USB transmitand receive activities.
·Single powersupply operation at 3.3V or 5V.
·Internal 1.8Vand 3.3V LDO regulators
·Extendedoperating temperature range : -40°C to 85°C.
·Available inPb-free TSSOP-16 and QFN-16 packages (RoHS compliant).

应用 Application

·Provide USB port to Microcontrollers
·Provide USB port to FPGAs
·USB Industrial Control
·Utilising USB to add system modularity