CH340 USB TTL STC ISP programmer for easy programming of STC microcontrollers

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This USB TTL programmer is designed for programming STC microcontrollers using STC ISP. The programmer uses a CH340 USB to serial interface and connects to a computer through USB. It allows communication with the built in ISP programming function of an STC microcontroller through UART.

The programmer provides TXD, RXD and GND connections together with selectable 5 V and 3.3 V voltage levels. It also includes DTR and BOOT connections which can be used with compatible development boards and programming solutions.

TXD on the programmer is connected to RXD on the microcontroller and RXD is connected to TXD. GND is connected to the ground of the microcontroller. The supply voltage should be selected according to the STC microcontroller and circuit being used.

The programmer is suitable for development, programming and testing of STC based 8051 microcontrollers. It can be used together with STC ISP programming software and is a practical tool for development boards and custom electronic projects.

The programmer works as a USB to TTL serial adapter and STC ISP programmer. It can therefore also be used for serial communication with other compatible microcontrollers and electronic circuits.

Facts.
Programming interface: STC ISP via UART
USB interface: USB
USB to serial chip: CH340
Communication: UART TTL
TXD: Serial transmission
RXD: Serial reception
GND: Ground
Supply voltage: 5 V or 3.3 V
Additional connections: DTR and BOOT
Programming method: ISP
Application: STC microcontrollers
Microcontroller family: STC based 8051
Connection to STC: RXD, TXD and GND
Software: STC ISP
Function: USB to TTL serial communication
Use: Programming, development and testing

Included.
1 pc module.

About the product.
Weight: approx 11 gram.
Contact us if you have questions at info@pchbutik.se
Article no: 3569
Remaining stock quantity can be found under the Product details tab.
In our range since: 2026-09-28

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