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. 757-0010
FabrikantnummerFT230XS-R
FabrikantFTDI Chip
€ 1,82
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. 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. 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. 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. 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. 622-7964
FabrikantnummerMAX3100CEE+
FabrikantMaxim Integrated
€ 4,41
Each
Aantal stuks
1 IrDA 16B 16B 0.23MBd - Surface Mount QSOP 16 2.7 → 5.5 V 4.98 x 3.99 x 1.55mm - - -
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. 700-4371
FabrikantnummerXR21V1412IL32-F
FabrikantEXAR
€ 6,68
Each
Aantal stuks
2 - - - - - Surface Mount QFN 32 - 5 x 5 x 0.88mm - - -
RS-stocknr. 170-4466
FabrikantnummerXR21V1412IL32-F
FabrikantEXAR
€ 3,419
Each (In a Tray of 490)
Aantal stuks
2 - - - - - Surface Mount QFN 32 - 5 x 5 x 0.88mm - - -
RS-stocknr. 124-2422
FabrikantnummerSC16IS762IPW,112
FabrikantNXP
€ 2,852
Each (In a Tube of 51)
Aantal stuks
2 IrDA, UART - - 5Mbit/s Yes Surface Mount TSSOP 28 2.5 V, 3.3 V 9.8 x 4.5 x 0.95mm - - -
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. 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. 816-0239
FabrikantnummerSC16IS762IPW,112
FabrikantNXP
€ 2,96
Each (In a Pack of 3)
Aantal stuks
2 IrDA, UART - - 5Mbit/s Yes Surface Mount TSSOP 28 2.5 V, 3.3 V 9.8 x 4.5 x 0.95mm - - -
RS-stocknr. 124-2421
FabrikantnummerSC16IS752IPW,112
FabrikantNXP
€ 2,832
Each (In a Tube of 51)
Aantal stuks
2 IrDA 64B 64B 5Mbit/s - Surface Mount TSSOP 28 2.5 V, 3.3 V 9.8 x 4.5 x 0.75mm - - -
RS-stocknr. 725-8846
FabrikantnummerSC16IS752IPW,112
FabrikantNXP
€ 3,01
Each
Aantal stuks
2 IrDA 64B 64B 5Mbit/s - Surface Mount TSSOP 28 2.5 V, 3.3 V 9.8 x 4.5 x 0.75mm - - -
RS-stocknr. 170-4453
FabrikantnummerST16C554DIJ68-F
FabrikantEXAR
€ 10,336
Each (In a Tube of 19)
Aantal stuks
4 - 16B 16B 1.5Mbit/s Yes Surface Mount PLCC 68 2.97 → 5.5 V 24.33 x 24.33 x 3.68mm - - -
RS-stocknr. 913-4238
FabrikantnummerST16C554DIQ64-F
FabrikantMaxLinear
€ 7,14
Each (In a Tray of 160)
Aantal stuks
4 - 16B 16B 1.5Mbit/s Yes Surface Mount LQFP 64 2.97 → 5.5 V 10.1 x 10.1 x 1.45mm - - -
RS-stocknr. 182-2508
FabrikantnummerTL16C450FN
€ 3,97
Each
Aantal stuks
1 - - - 0.256Mbit/s - Surface Mount PLCC 44 5 V 16.59 x 16.59 x 4.06mm - - -
RS-stocknr. 162-4339
FabrikantnummerTL16C450FN
€ 3,314
Each (In a Tube of 26)
Aantal stuks
1 - - - 0.256Mbit/s - Surface Mount PLCC 44 5 V 16.59 x 16.59 x 4.06mm - - -