CP2102 USB UART Board (type A)

Model No: BRB-00034

TK. 492.3

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Category: Data Converter

Supplier: Waveshare Electronics, China

The CP2102 USB UART Board (type A) is an accessory board that features the single-chip USB to UART bridge CP2102 onboard.

CP2102 features:

Single-Chip USB to UART Data Transfer
- No external resistors required, no external crystal required
- On-chip power-on reset circuit and voltage regulator
- Integrated 1024-Byte EEPROM
USB Function Controller
- USB Specification 2.0 compliant; full-speed (12 Mbps)
- USB suspend states supported via SUSPEND pins
UART
- All handshaking and modem interface signals
- Data formats supported:
  - Data bits: 5, 6, 7, and 8
  - Stop bits: 1, 1.5, and 2
  - Parity: odd, even, no parity
- Baud rates: 300 bps to 1 Mbits
- 576 Byte receive buffer; 640 byte transmit buffer
- Hardware or X-On/X-Off handshaking supported
- Event character support
Virtual COM Port Device Drivers
- Windows 8/7/Vista/Server 2003/XP/2000
- MAC OS-X/OS-9
- Linux 2.40 or higher
USBXpress Direct Driver Support
- Windows 7/Vista/Server 2003/XP/2000
- Windows CE
Temperature Range
- –40 to +85 °C

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Features

Supports Windows 8
Voltage output support: 5V or 3.3V
Integrated USB protection device: SP0503
3 LEDs: TXD LED, RXD LED, POWER LED
Pins accessible on pinheaders: TXD, RXD, RTS, CTS
Other pins are accessible on drilled holes, easily connected to user application system (separate pinheaders are provided)

Applications:

Upgrade of RS-232 legacy devices to USB
USB to RS-232 serial adapter

User Guideline:

In the case of working with a MCU:

VCCIO: 3.3V or 5V output (the module is powered from USB, onboard jumper should be shorted to 3.3V or 5V)
GND: connects to GND
TXD: connects to MCU.RX (signal direction: MCU.RX << CP2102 << PC.TX)
RXD: connects to MCU.TX (signal direction: MCU.TX >> CP2102 >> PC.RX)
RTS: connects to MCU.CTS (signal direction: MCU.CTS << CP2102 << PC.RTS)
CTS: connects to MCU.RTS (signal direction: MCU.RTS >> CP2102 >> PC.CTS)

Demo codes, schematic, datasheets, etc.

Question & Answer

Total 11 questions

Q: Can it be used to burn at89c51 ? Questioned by Tambahamba, 21-Aug-2017

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Do you wish to program the microcontroller using serial port? Answered by A.R, 21-Aug-2017 16:29 PM

yes because at89c51 cant be programmed through isp Answered by Tambahamba, 31-Aug-2017 19:09 PM

Not this one. You need Max232. https://www.engineersgarage.com/microcontroller/8051projects/interface-serialport-RS232-AT89C51-circuit Answered by A.R, 07-Sep-2017 10:28 AM

Q: can i use it to program avr microcontrollers? Questioned by Mosharof_Hossain, 18-Jun-2020

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What's the programmer that you're using? Answered by A.R, 20-Jun-2020 11:40 AM

why do i need a programmer,can't i use this device as a programmer?? Answered by Mosharof_Hossain, 20-Jun-2020 13:42 PM

No and never. This is just a USB to serial converter. If you are looking for AVR programmer, simply use this: https://www.techshopbd.com/product-categories/avr-98764/214/avr-programmer-techshop-bangladesh Answered by A.R, 21-Jun-2020 11:53 AM

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