Dear Sir,
One of my customer use this part for a portable tester, however, the customer has difficulities when use external crystal as oscilliator. I am wondering the external crystal does work because no 4.912MHz is captured under osciscope probe. i upload the applicaiton circuit here, i checked the schematic and PCB design, it seems OK. Just wondering if any specical requriement to external crystal, or other possible reasons.
BTW, when XTAL1 is tied to GND, ADS1232 can work. the return data is vlaid according to input voltage.
Appreicate your comments for the possible rootcause.(Please visit the site to view this file)
Best regards
Hawk Tong