The R-51PB is a low-cost programmer for the OTP, EPROM, and FLASH versions of the 8051 microcontroller. 
The R-51PB programs both 40 pin dip and 44 pin PLCC chips from Philips, Atmel, Dallas Semiconductor (DS87C520, DS89C420, DS89C440, DS89C450).

R51PBA.jpg (215607 bytes)

Once you've programmed your processor, check out our small carrier boards the R-51SP and R-51SD.

Program the R-51PB with the rP51 software.  The rP51 environment is a Windows program that communicates with the R-51PB to carry out the various programming and verification functions.  Besides programming a user program, the microcontroller’s various security features, such as the lock bits and encryption array, may also be programmed.  The rP51 is a “message-oriented” environment.  A large output (console) window gives relatively detailed reports on the commands and their outcomes.  This reduces the learning process as well as the need for extensive help schemes.

Our Reads51 software has been completely updated to support this board.  
Reads51 is an integrated applications software development system, which runs on an IBM PC or compatible host. Reads51 allows writing, compiling, assembling, debugging, downloading, and running applications software in the MCS-51 language. Reads51 contains a C compiler, relative assembler, linker/locator, editor,  chip simulator, assembly language debugger, and host-to-board communications in a user-friendly, menu-driven environment.

Download User's Manual

Download Assembly Manual

Download rP51 Software


  1-10 11-24
R-51PB   (You provide the processor) $ 100 $ 95
R-51PB   with the Atmel  89C52  (FLASH) $ 110 $ 100
R-51PB   with the Dallas Semi DS87C520 (EPROM) $ 125 $ 115
R-51PB   with the Dallas Semi DS89C420  (FLASH) $ 130 $ 120



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       Last updated 3/18/08