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FT232R USB UART IC Datasheet
Version 2.16
Document No.: FT_000053 Clearance No.: FTDI# 38 Future Technology Devices
International Ltd.
FT232R USB UART IC
Datasheet
The FT232R is a USB to serial UART interface
with the following advanced features: FIFO receives and transmits buffers for high
data throughput. Single chip USB to asynchronous serial data
transfer interface. Synchronous and asynchronous bit bang
interface options with RD# and WR# strobes. Entire USB protocol handled on the chip. No
USB specific firmware programming required. Device supplied pre-programmed with unique
USB serial number. Fully integrated 1024 bit EEPROM storing
device descriptors and CBUS I/O configuration. Supports bus powered, self-powered and highpower bus powered USB configurations. Fully integrated USB termination resistors. Integrated +3.3V level converter for USB I/O. Fully integrated clock generation with no
external crystal required plus optional clock
output selection enabling a glue-less interface
to external MCU or FPGA. Integrated level converter on UART and CBUS
for interfacing to between +1.8V and +5V
logic. Data transfer rates from 300 baud to 3 Mbaud
(RS422, RS485, RS232) at TTL levels. True 5V/3.3V/2.8V/1.8V CMOS drive output
and TTL input. Configurable I/O pin output drive strength. 128 byte receive buffer and 256 byte transmit
buffer utilising buffer smoothing technology to
allow for high data throughput. Integrated power-on-reset circuit. Fully integrated AVCC supply filtering -no …

Document No.: FT_000053
FT232R USB UART IC Datasheet Version 2.11
Clearance No.: FTDI# 38 Future Technology Devices
International Ltd.
FT232R USB UART IC
The FT232R is a USB to serial UART
interface with the following advanced
features: FIFO receive and transmit buffers for high data
throughput. Synchronous and asynchronous bit bang
interface options with RD# and WR# strobes. Single chip USB to asynchronous serial data
transfer interface. Device supplied pre-programmed with unique
USB serial number. Entire USB protocol handled on the chip. No
USB specific firmware programming required. Supports bus powered, self powered and highpower bus powered USB configurations. Fully integrated 1024 bit EEPROM storing
device descriptors and CBUS I/O configuration. Integrated +3.3V level converter for USB I/O. Fully integrated USB termination resistors. Fully integrated clock generation with no
external crystal required plus optional clock
output selection enabling a glue-less interface
to external MCU or FPGA. Integrated level converter on UART and CBUS
for interfacing to between +1.8V and +5V
logic. True 5V/3.3V/2.8V/1.8V CMOS drive output
and TTL input. Configurable I/O pin output drive strength. Integrated power-on-reset circuit. Fully integrated AVCC supply filtering -no
external filtering required. UART signal inversion option. +3.3V (using external oscillator) to +5.25V
(internal oscillator) Single Supply Operation. Low operating and USB suspend current. Data transfer rates from 300 baud to 3 Mbaud
(RS422, RS485, RS232 ) at TTL levels. 128 byte receive buffer and 256 byte transmit …