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

I took JonnyMacs DS1307 code and just modified the DEVICE line for an SX48 vs the default SX28. See attached. 

I can get the DS1307 code to run fine on my PDB with an SX28 to Hyperterminal 38400. However, if I run the TX, RX, SCL and SCA from the PDB to RA on an SX48 protoboard, sometimes I get strange chars on Hyperterminal and sometimes nothing at all happens. I first thought it was a Baud issue but lowering it down to 19200 and 9600 had no effect. 

I also ran a ground wire from the PDB to VSS on the SX48 protoboard. I also used a 4 MHz resonator. 

Is there anything else uniquely different between the SX28 and SX48 that I am not seeing here?

Thanks.

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