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.
-
.
-
FT1248 serial parallel interface in 1, 2, 4 or 8-bit wide mode
-
.
-
Similar to an SPI slave in 1-bit mode
-
.
-
Entire USB protocol handled on chip, no USB specific firmware programming required
-
.
-
Fully integrated 2048-byte MTP memory for storing device descriptors and CBUS I/O configuration
-
.
-
Fully integrated clock generation with no external crystal required
-
.
-
Data transfer rates to 1Mbps
-
.
-
512-byte receive buffer and 512-byte transmit buffer utilising buffer smoothing technology
-
.
-
FTDI"s royalty-free virtual com port VCP and direct D2XX drivers
-
.
-
Configurable CBUS I/O pin
-
.
-
Device supplied pre-programmed with unique USB serial number
-
.
-
Supports bus powered, self powered and high-power bus powered USB configurations
-
.
-
Integrated +3.3V level converter for USB I/O
-
.
-
True 3.3V CMOS drive output and TTL input operates down to 1V8 with external pull-ups
-
.
-
I/O levels from 1.8 to 3.3V 5V tolerant inputs
-
.
-
Configurable I/O pin output drive strength
-
.
-
Battery charger detection
-
.
-
Integrated power-on-reset circuit
-
.
-
Internal 3.3/1.8V LDO regulators
-
.
-
Low operating current of 8mA typical and USB suspend current of 125µA typical current
-
.
-
Low USB bandwidth consumption
ESD sensitive device, take proper precaution while handling the device.