In SX Microcontrollers, SX/B Compiler and SX-Key Tool, tdg8934 wrote:

Roy,

Do you have any other documentation with this PCB? It appears to be an I2C based display board which the SX28 / SX48 and probably the BS2 and certainly the Propeller can interface to. I dont really have a PIC background but with more information on the layout and I2C format requirements for this board, we could probably get it to work with something from an SX chip going to it in I2C format and an EEPROM. 

My guess is that the PIC is an I2C interpretor chip as well as display driver for the 5x7 modules. I would see if there is any more documentation on this first to see how to insert I2C signals from an SX chip into the already soldered board (PIC and everything in place).

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