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

The program is an RC Reveiver with the sx20ss as the decoder.
The program runs fine on the sx28 AC/DP.  It won't run on the

ss 20.  So I wrote a simple toggle for RB pins as output.  I have

tried 4 new chips and the first 5 pins toggle fine but the last

3 stay low.  All four ss 20's give the same result.  On the 28 dip they all work.  I have read the code back and ran verify with

O.K.   I thought I might have ruined the ouput pins rb with solder

heat but the last one I didn't solder the rb pins and they still give

the same result.  Clock is internal 4MHZ, the DEVICE line:

DEVICE SX28, TURBO,STACKX_OPTIONX,OSC4MHZ

I use SXKEY v3.1 and SXWIZ Basic.  The date code is:

SX20 AC/ss AB0021AM

Could there be a SXkey 3.1 problem with a difference between

the two chips ?

Any help here would be much appreciated

Elektron

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