Description:
The 51 AVR MCU STC Minimum System Board Learning Development Board is a robust and user-focused module designed for educational and development purposes. It is compatible with a range of single chip microcontroller units (MCU) including STC89C52, AT89S52, and other 40-pin IC. This is an ideal tool for aspiring engineers, students, and developers looking to gain hands-on experience with microcontroller programming and interfacing. The board includes various features that facilitate easy and efficient learning.

Features:
1. Versatile Chip Compatibility:
Supports a range of 40-pin chips including AT89S52, STC89C52, and more.
2. Efficient Power Supply Options:
3.3V and 5V power supply options adaptable via jumpers.
Includes 3-way connection for VAC and power supply.
3. User-Friendly Design:
Onboard resettable fuses and pull-up resistors for SCM and pull-up options.
DIP switches and patch switches for numerous configurations.
4. Integrated Programming and Debugging:
Supports ISP download port and JTAG interface for seamless programming.
Convenient replacement of SCM chips without tools due to the locking seat module.
5. Comprehensive I/O Access:
Multiple I/O pins accessible via pin headers for extensive prototyping and experimentation.
6. Additional Features:
Onboard elements include LED indicators for power and status.
Includes pads for external components like 1602 LCD display or other educational modules.

Feature:

- At the same time compatible with AT, STC series of single chip(support chip: STC89C52 STC12C5A60S2 STC11 / IOx series AT89S52 and pin compatible with the chip above the chip);- Single-chip 40 IO all pin out;- With self-locking switch, you can easily switch the power off;- With power indicator LED lights;- 3.5mm*1.3mm can be an external power supply base;- Pin lead to 3-way VCC and GND, can input or output power supply;- P0 port pull-up resistor 1K has been pulled up;- With resistance capacity and manual reset circuit;- Support ISP download and serial download program;- Integrated ISP 10P download interface, easy to download AT89S52 microcontroller;- The crystal is the following round hole socket, easy to change crystal (default with 11.0592M);- DC-002 power supply base (supporting seat is 3.5mm*1.3mm) and single row of needles (power switch next), board reserved DC-005 power base package;- With a programmable LED, LED experiment can be done, then P00 mouth;- 40 P locking seat for easy replacement of SCM chips, bulk processing, eliminating the hassle of hands-on welding; 

ISP download port JTAG-10P Wiring instructions:1--P152--VCC5--RST7--P179--P162,4,8,10--GND

Package Include:
1x 51 AVR Mcu STC Minimum System Board