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8051 Evaluation Board Comparison

Feature

Evaluation Board
MCBx51 MCB900 MCB950 MCBXC866 MCBXC866x

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
t
t
t
t
t

OCDS Interface

  
 
 
t
t

ISD51 Interface

  
t
t
  
 

MON51 Interface
t
  
 
 
 

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)

  

t

t

t

t

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

.