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Home / Development Boards & Control Boards / (Finished Product) 51 MCU Minimum System Development Board STC89C52 AT89S52 40P Locking Socket Module
Development Boards & Control Boards

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller Model STC89C52 / AT89S52
Architecture 8051 Compatible
Operating Voltage 5V DC
Clock Frequency 11.0592 MHz
IO Ports 32 Programmable Lines
Internal RAM 256 Bytes
Internal ROM 8 KB Flash
Socket Type 40-Pin Lock Socket
Programming Interface ISP / UART
PCB Dimensions 75mm x 55mm

5 reviews

A

Anonymous

Apr 12, 2026

Rating: 5/5

Excellent board

Fast shipping and well packaged.

A

Anonymous

Apr 02, 2026

Rating: 5/5

Great for students

Works perfectly for my embedded systems class.

A

Anonymous

Feb 25, 2026

Rating: 4/5

Good quality

Socket is tight but secure.

A

Anonymous

Feb 09, 2026

Rating: 3/5

Basic board

Does the job but no USB cable included.

A

Anonymous

Feb 03, 2026

Rating: 5/5

Highly recommend

Perfect for learning assembly language.

5 FAQ

Q: Is the USB cable included?

A: No, please purchase a USB to TTL adapter separately.

Q: What compiler do you suggest?

A: Keil uVision is the standard for this architecture.

Q: Does it have a reset button?

A: Yes, there is a manual reset circuit on board.

Q: Is the crystal replaceable?

A: Yes, the crystal oscillator is in a holder.

Q: Can I use AT89C51?

A: Yes, any 40-pin 8051 compatible chip fits.

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