UART

UART stands for Universal Asynchronous Receiver-Transmitter. UART is a type of serial communication interface designed to transmit and receive data via a data bus. It allows two devices, such as computers, to carry out data transmission over a wired connection. UARTs convert incoming and outgoing data bytes into a serial bit stream. Asynchronous is a type of serial communication where the interfaces at each end are not synchronised by a common clock signal.

These particular UART devices are stand-alone integrated circuits (ICs). However, you can also find UARTs within microcontrollers (MCUs), as they only require two wires for communication.

UART ICs (integrated circuits) are semiconductor devices which can be integrated into your electronics designs to enable UART communication. UART is a popular method of communication in electronics projects. It enables computer hardware to communicate with other modems and serial devices.

When choosing a UART IC, ensure that it meets the requirements of the modem transmission rate.

What does a UART consist of?

One side of the UART feature around 8 data lines and the control pins. The other side of the UART has two serial wires, the Transmission (TX) and the Receiving (RX).

Where is UART used?

  • Microcontroller based devices
  • GPS receivers
  • Bluetooth devices
  • Modems
  • Wireless communications

Communication Standards

UARTs may feature a communication standard which defines the signals between devices. These standards include RS-232, RS-422 and RS-485.

What is baud rate?

UART baud rate is the speed at which the data is transferred which is given in bits per second (bit/s or bps). The devices that you are communicating between should both have the same baud rate.


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Omschrijving Prijs Number of Channels per Chip Standard Supported Transmit FIFO Receive FIFO Maximum Data Rate Transmitter and Receiver FIFO Counter Mounting Type Package Type Pin Count Typical Operating Supply Voltage Dimensions Length Width Height
RS-stocknr. 923-1581
FabrikantnummerFT230XS-R
FabrikantFTDI Chip
€ 1,291
Each (On a Reel of 3000)
Aantal stuks
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in - - -
RS-stocknr. 757-0010
FabrikantnummerFT230XS-R
FabrikantFTDI Chip
€ 1,765
Each (In a Pack of 2)
Aantal stuks
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in - - -
RS-stocknr. 888-8722
FabrikantnummerFT231XS-U
FabrikantFTDI Chip
€ 1,323
Each (In a Pack of 1160)
Aantal stuks
- - - - - - Surface Mount SSOP 20 - 8.74 x 3.99 x 1.5mm - - -
RS-stocknr. 687-7720
FabrikantnummerFT2232HL
FabrikantFTDI Chip
€ 5,58
Each
Aantal stuks
2 RS232, RS422, RS485 - - 480Mbit/s - Surface Mount LQFP 64 - 10 x 10 x 1.4mm - - -
RS-stocknr. 923-1607
FabrikantnummerFT231XS-R
FabrikantFTDI Chip
€ 1,336
Each (On a Reel of 2000)
Aantal stuks
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount SSOP 20 5 V 0.344 x 0.157 x 0.059in - - -
RS-stocknr. 170-9070
FabrikantnummerFT2232HL
FabrikantFTDI Chip
€ 4,654
Each (On a Reel of 1000)
Aantal stuks
2 RS232, RS422, RS485 - - 480Mbit/s - Surface Mount LQFP 64 - 10 x 10 x 1.4mm - - -
RS-stocknr. 757-0032
FabrikantnummerFT231XS-R
FabrikantFTDI Chip
€ 1,83
Each (In a Pack of 2)
Aantal stuks
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount SSOP 20 5 V 0.344 x 0.157 x 0.059in - - -
RS-stocknr. 888-8716
FabrikantnummerFT230XQ-T
FabrikantFTDI Chip
€ 1,698
Each (In a Pack of 10)
Aantal stuks
- - - - - - Surface Mount QFN 16 - 4 x 4 x 0.75mm 4mm 4mm 0.75mm
RS-stocknr. 923-1597
FabrikantnummerFT230XQ-R
FabrikantFTDI Chip
€ 1,291
Each (On a Reel of 5000)
Aantal stuks
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount QFN 16 5 V 4 x 4 x 0.75mm - - -
RS-stocknr. 757-0026
FabrikantnummerFT230XQ-R
FabrikantFTDI Chip
€ 1,765
Each (In a Pack of 2)
Aantal stuks
1 RS232, RS422, RS485, SIE, UART 512B 512B 3MBd Yes Surface Mount QFN 16 5 V 4 x 4 x 0.75mm - - -
RS-stocknr. 170-9074
FabrikantnummerFT220XS-R
FabrikantFTDI Chip
€ 1,336
Each (On a Reel of 3000)
Aantal stuks
1 SIE, UART 512B 512B 500kbit/s Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in - - -
RS-stocknr. 757-0014
FabrikantnummerFT220XS-R
FabrikantFTDI Chip
€ 1,765
Each (In a Pack of 2)
Aantal stuks
1 SIE, UART 512B 512B 500kbit/s Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in - - -
RS-stocknr. 923-1590
FabrikantnummerFT200XD-R
FabrikantFTDI Chip
€ 1,257
Each (On a Reel of 5000)
Aantal stuks
1 SIE, UART 512B 512B 3.4Mbit/s Yes Surface Mount DFN 10 5 V 3 x 3 x 0.75mm - - -
RS-stocknr. 757-0036
FabrikantnummerFT221XS-R
FabrikantFTDI Chip
€ 2,285
Each (In a Pack of 2)
Aantal stuks
1 SIE, UART 512B 512B 1Mbit/s Yes Surface Mount SSOP 20 5 V 0.344 x 0.157 x 0.059in - - -
Nieuw
RS-stocknr. 216-8416
FabrikantnummerFT200XD-T
FabrikantFTDI Chip
€ 1,417
Each (In a Tray of 490)
Aantal stuks
- - 512B 512B 3.4Mbps - - DFN 10 +3.3 → 5.25 V - - - -
RS-stocknr. 923-1616
FabrikantnummerFT240XQ-R
FabrikantFTDI Chip
€ 1,37
Each (On a Reel of 5000)
Aantal stuks
1 SIE 512B 512B 1Mbit/s Yes Surface Mount QFN 24 5 V 4 x 4 x 0.75mm - - -
Nieuw
RS-stocknr. 216-8418
FabrikantnummerFT200XD-T
FabrikantFTDI Chip
€ 1,70
Each (In a Pack of 5)
Aantal stuks
- - 512B 512B 3.4Mbps - - DFN 10 +3.3 → 5.25 V - - - -
RS-stocknr. 757-0023
FabrikantnummerFT201XS-R
FabrikantFTDI Chip
€ 1,765
Each (In a Pack of 2)
Aantal stuks
1 SIE, UART 512B 512B 3.4Mbit/s Yes Surface Mount SSOP 16 5 V 0.197 x 0.157 x 0.059in - - -
RS-stocknr. 757-0051
FabrikantnummerFT240XQ-R
FabrikantFTDI Chip
€ 1,87
Each (In a Pack of 2)
Aantal stuks
1 SIE 512B 512B 1Mbit/s Yes Surface Mount QFN 24 5 V 4 x 4 x 0.75mm - - -
Nieuw
RS-stocknr. 216-8419
FabrikantnummerFT201XQ-T
FabrikantFTDI Chip
€ 1,451
Each (In a Tray of 490)
Aantal stuks
- - 512B 512B 3.4Mbps - - QFN 16 +3.3 → 5.25 V - - - -