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

In the Help section of the SX-Key editor v3.1 software, there is an example program showing how to use an SX-28 with a 4x4 matrix keypad. I would like to use this as a modified program (no 7 seg display needed as my current design will use a serial LCD anyway). 
 

What I want to do is use the SX28 as a driver IC or slave to a BS2px being the master. 

 

Has anyone done this?

 

I take it that I will have to use SEROUT and SERIN commands to a pin on the SX-28 and BS2px to receive the keypad strokes on the BS2px. 

 

Comments?

 

Thanks,


Timothy Gilmore

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