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FT230XS-R

USB 2.0 to UART bridge, 3 Mbaud, 256B buffers, SSOP-16, no EEPROM

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Manufacturer Part：

FT230XS-R

Package：

SSOP-16 (5.3 x 6.2 x 1.73 mm)

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Description

Product Overview

The FT230XS-R from FTDI Chip is a USB 2.0 full-speed to UART serial interface bridge IC. It requires no external EEPROM, supports data transfer rates from 300 baud to 3 Mbaud, and integrates 256-byte transmit and 256-byte receive buffers with the full USB protocol handled in hardware, in a compact SSOP-16 package.

Key Specifications

USB Specification USB 2.0 Full-Speed
UART Data Rate 300 baud to 3 Mbaud
TX Buffer 256 bytes
RX Buffer 256 bytes
GPIO Pins 4 (CBUS0-3, configurable)
Supply Voltage 3.3V (1.8V to 3.3V I/O)
Package SSOP-16 (5.3 x 6.2 mm)
Operating Temperature -40C to +85C

Features

  • Single chip USB to UART bridge, no external EEPROM required
  • Integrated 256-byte TX and RX data buffers
  • Full USB protocol handled in hardware, no USB firmware required
  • Configurable CBUS I/O pins for status and control
  • Supports 3.3V and 1.8V UART I/O voltage levels
  • FTDI royalty-free VCP and D2XX drivers

Applications

  • USB-to-UART cable adapters
  • Embedded system debug and programming ports
  • Legacy serial device USB upgrade
  • IoT device USB interface

The FT230XS-R from FTDI Chip is a compact USB 2.0 full-speed to UART serial interface bridge that requires no external EEPROM for basic operation. It handles the complete USB protocol in hardware, requiring no USB-specific firmware programming. The device supports UART data rates from 300 baud to 3 Mbaud with 256-byte transmit and receive buffers for smooth data flow. Four configurable CBUS pins can be programmed for various I/O functions including TX/RX LED indicators, wake-up signals, and battery charger detection. The device operates from a 3.3V supply with 1.8V to 3.3V UART I/O voltage support.

The FT230XS-R bridges USB and UART protocols entirely in hardware. On the USB side, the device enumerates as a Virtual COM Port (VCP) when using FTDI’s VCP drivers, or as a D2XX device for direct API access. USB data packets received are decoded and placed into the 256-byte receive buffer for the UART to transmit. Conversely, data received from the UART is placed into the 256-byte transmit buffer and sent as USB packets. The internal clock multiplier generates the precise baud rate from the USB frame timing. The four CBUS pins are configurable through an optional external EEPROM for functions such as TXLED, RXLED, TXDEN, PWREN, SLEEP, and GPIO.

Pin Name Type Function
1 TXD Output UART transmit data output
2 VCCIO Power I/O supply voltage (1.8-3.3V)
3 RXD Input UART receive data input
4 3V3OUT Output 3.3V LDO regulator output
5 CBUS1 I/O Configurable bus pin 1
6 CBUS0 I/O Configurable bus pin 0
7 GND Ground Ground reference
8 CBUS2 I/O Configurable bus pin 2
9 DM I/O USB D- data line
10 DP I/O USB D+ data line
11 VREGIN Power Regulator input supply (5V from USB)
12 CBUS3 I/O Configurable bus pin 3
13 RTS# Output UART RTS flow control output
14 CTS# Input UART CTS flow control input
  • USB-to-serial cable adapters and dongles
  • Embedded system debug UART and programming ports
  • Legacy RS-232 device USB upgrade modules
  • IoT and maker board USB serial interface
  • Medical and industrial equipment PC connectivity
Manufacturer Part Number Package Notes
FTDI FT231XS-R SSOP-20 Full modem handshake signals
FTDI FT232RQ QFN-32 Full-featured USB-UART with EEPROM
Silicon Labs CP2102N-A02-GQFN24 QFN-24 Pin-compatible alternative
Microchip MCP2200-I/SS SSOP-20 USB 2.0 to UART with GPIO
CH340 CH340G SOIC-16 Cost-effective alternative
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In stock:
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Cargo cycle: 3~7 Days
The minimum order is 1

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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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