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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รายละเอียดสินค้า / Description ราคา / Price 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 Stock No. 121-8491
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C452FN
THB210.829
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- - - - - - - - - - - - - -
RS Stock No. 162-8368
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TIR1000PSR
THB26.614
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- - - - - - Surface Mount SOIC 8 - 6.5 x 5.6 x 1.85mm - - -
RS Stock No. 346-6863
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C550CPT
THB153.51
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RS Stock No. 162-7083
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C550CPTR
THB108.022
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1 - 16B 16B 1MBd Yes Surface Mount LQFP 48 3 → 5.25 V 7 x 7 x 1.4mm - - -
RS Stock No. 182-2570
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C452FN
THB233.11
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2 - - - 0.256Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm - - -
RS Stock No. 814-4032
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THB50.56
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RS Stock No. 662-3911
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THB202.53
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2 - - - 0.256Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm - - -
RS Stock No. 162-7082
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THB139.72
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2 - - - 0.256Mbit/s - Surface Mount PLCC 68 5 V 24.23 x 24.23 x 4.06mm - - -
RS Stock No. 182-2508
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C450FN
THB140.94
Each
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1 - - - 0.256Mbit/s - Surface Mount PLCC 44 5 V 16.59 x 16.59 x 4.06mm - - -
RS Stock No. 162-4339
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THB126.85
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RS Stock No. 531-2522
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THB328.77
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4 - 16B 16B 1MBd Yes Surface Mount LQFP 80 5 V 12 x 12 x 1.4mm - - -
RS Stock No. 662-3921
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C550CPTR
THB129.958
Each: (In a Pack of 5)
Units
1 - 16B 16B 1MBd Yes Surface Mount LQFP 48 3 → 5.25 V 7 x 7 x 1.4mm - - -
RS Stock No. 662-3915
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TL16C550CFNR
THB151.772
Each: (In a Pack of 5)
Units
1 - 16B 16B 1MBd Yes Surface Mount PLCC 44 3 → 5.25 V 16.59 x 16.59 x 4.06mm - - -