[Retired]8051 Extended Dev. Board R3

Description

Supported Chips:

• STC89C52 STC12C5A60S2  STC11/10x series
• AT89S51、AT89S52 series

Specification:

• 40 pins Clamp enable to remove or lock chip easily
• A serial jack RS232 for data communication testing or downloading programming for chips
• Extra 1602, 12864 LCD jack enable test easily
• Power Supply: Power Jack (5.5-2.1 mm, DC4.5-5.5V)
• All the pins of chips are brought out  which are used to expand more functions.
• Standard ISP download port, for online programming.
• Crystal are replaceable
• Four locking rods enable easily place or fix somewhere
• P0 I/O has pull-up resistor
• Two extra channels of external power (VCC and GND)

Packaging:

• Not including chips

Documentation of schematic.

Additional information

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