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Home / Development Boards & Control Boards / 51 Microcontroller Minimal System Core Board, AT/STC89C52 Learning Module

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller Model AT89C52 / STC89C52
Operating Voltage 5V DC
Clock Frequency 11.0592 MHz
Flash Memory 8 KB
RAM 256 Bytes
I/O Ports 32 Programmable Lines
Programming Interface ISP / UART
Power Supply USB or DC Jack
PCB Dimensions 53mm x 78mm
Weight 15g

5 reviews

A

Anonymous

Mar 15, 2026

Rating: 5/5

Great for beginners

Perfect starter board for learning 8051 architecture. Easy to program.

A

Anonymous

Feb 03, 2026

Rating: 4/5

Learning made easy

Simple layout helps understand the minimal system requirements.

A

Anonymous

Jan 24, 2026

Rating: 4/5

Good value

Works as expected. Documentation could be better but hardware is solid.

A

Anonymous

Jan 23, 2026

Rating: 5/5

Classic chip support

Love that it supports both AT and STC variants. Very flexible.

A

Anonymous

Jan 20, 2026

Rating: 5/5

Reliable core board

Using this for a university project. No issues with connectivity.

5 FAQ

Q: Does this come with a USB cable?

A: Yes, a standard USB cable is included for power and programming.

Q: Does it support 3.3V logic?

A: No, this board operates at 5V logic levels.

Q: Can I use Keil software with this?

A: Yes, this board is compatible with Keil uVision for development.

Q: What programmer is needed?

A: You can use a standard USB to TTL adapter for ISP programming.

Q: Is the crystal oscillator replaceable?

A: Yes, the crystal is socketed and can be changed if needed.

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