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Evaluation Boards

Evaluation Boards

ARM Evaluation Boards

C251/C51 Evaluation Boards

8051 Board Comparison
- MCB900 Evaluation Board
- MCB950 Evaluation Board

8051 Evaluation Board Comparison

The following chart compares the 8051 evaluation boards available from Keil.

Feature	Evaluation Board
Feature	MCBx51	MCB900	MCB950	MCBXC866	MCBXC88x
Board
MCU	Most PLCC-44 8051/251	P89LPC935	P89LPC952	XC866	XC888
XTAL	12/24 MHz	7.3 MHz	12 MHz	8 MHz	8 MHz
Prototyping Area
OCDS Interface
ISD51 Interface
MON51 Interface
Dimensions (inches)	3.95 x 6.30	2.30 x 4.30	2.30 x 4.30	3.95 x 3.95	3.95 x 3.95
Dimensions (mm)	100 x 160	58 x 110	58 x 110	100 x 100	100 x 100
Memory
On-Chip RAM	0.2K-1.2K	0.7K	0.5K	0.7K	1.7K
On-Chip FLASH		8K	8K	16K	24K
On-Board RAM/Max	256K/256K
On-Board ROM/Max	128K/256K
I/O
Push Buttons	2			1	1
I/O Port LEDs	8	8	8	8	8
Analog Input (Potentiometer)
Serial Ports	2	1	1	1
CAN Ports				1	1
Power
Connector	Plug	Plug	USB	Plug	USB
Supply	8-12 VDC	5-9 VDC	5 VDC	6-12 VDC	5 VDC
Current (Typical)	≈ 300 mA	≈ 50 mA	≈ 50 mA	≈ 50 mA	≈ 50 mA
Current (Maximum)	≈ 500 mA	≈ 100 mA	≈ 100 mA	≈ 100 mA	≈ 100 mA