FT221XQ

FTDI  FT221XQ  接口, USB, 收发器, USB 2.0, 2.97 V, 5.5 V, QFN, 20 引脚

The is an USB 2.0 Full-speed IC, offers a compact bridge to 8-bit SPI/FT1248 interfaces. The device is a FT1248 slave, capable of operating up to 1Mbps, with low power consumption 8mA. The IC includes the complete FT-X series feature set and enables USB to be added into a system design quickly and easily over an FT1248 interface.

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FT1248 serial parallel interface in 1, 2, 4 or 8-bit wide mode

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Similar to an SPI slave in 1-bit mode

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Entire USB protocol handled on chip, no USB specific firmware programming required

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Fully integrated 2048-byte MTP memory for storing device descriptors and CBUS I/O configuration

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Fully integrated clock generation with no external crystal required

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Data transfer rates to 1Mbps

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512-byte receive buffer and 512-byte transmit buffer utilising buffer smoothing technology

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FTDI"s royalty-free virtual com port VCP and direct D2XX drivers

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Configurable CBUS I/O pin

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Device supplied pre-programmed with unique USB serial number

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Supports bus powered, self powered and high-power bus powered USB configurations

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Integrated +3.3V level converter for USB I/O

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True 3.3V CMOS drive output and TTL input operates down to 1V8 with external pull-ups

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I/O levels from 1.8 to 3.3V 5V tolerant inputs

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Configurable I/O pin output drive strength

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Battery charger detection

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Integrated power-on-reset circuit

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Internal 3.3/1.8V LDO regulators

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Low operating current of 8mA typical and USB suspend current of 125µA typical current

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Low USB bandwidth consumption

ESD sensitive device, take proper precaution while handling the device.