8051 Development Board With RS232 And ISP Support
The 8051 Development Board is a complete prototyping and learning platform designed for any 40 pin 8051 microcontroller. It supports easy programming of 89V51RD2 using Flash Magic software through the onboard RS232 interface, making firmware development simple and efficient.
This board integrates multiple peripherals such as LCD interface, 7 segment display, keypad, EEPROM, RTC, LED array, and stepper motor driver. With onboard regulated power supply and bridge rectifier, it can operate using both AC and DC adapters, making it suitable for educational labs and embedded development projects.
KEY FEATURES
- Supports any 40 pin 8051 microcontroller
- RS232 TX RX interface using MAX232
- DIL40 ZIF socket to reduce IC damage
- ULN2803 driver for stepper motor and relays
- Quartz crystal 11.0592 MHz
- Onboard reset button
- Power plug in jack with bridge rectifier
- Extension slot on every microcontroller pin
- GND and VCC bus lines
- Four mounting holes 3.3 mm
SPECIFICATIONS
- Microcontroller Support 8051 40 pin family
- Flashing Method RS232 using Flash Magic
- Flasher Support 89V51RD2 ISP
- Onboard Drivers ULN2803
- Crystal Frequency 11.0592 MHz
- Power Supply Input 12V AC or DC
- Regulated Output 5V and 12V
- EEPROM 24Cxx I2C
- RTC DS1307
- Display Support 2 line x 16 character LCD
- Additional Display 7 segment multiplexed
- LED Array 8 LEDs
- Keypad Matrix keypad
- Interrupt Inputs 4 interrupt switches
- Memory 64K ISP Flash 256 bytes RAM 768 bytes XRAM
- Timers 3 timers or counters
- Interrupts 7 interrupts with 4 priority levels
- I O Lines 32 programmable I O lines
INTERFACES
- RS232 serial port
- Serial ISP port
- LCD connector
- 7 segment display interface
- Matrix keypad connector
- ULN2803 output driver pins
- I2C interface for EEPROM and RTC
- Digital I O extension headers
- DC power connector 12V AC or DC
