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TMS320F28035PNT LAYOUT ISSUE

Kane Wan88
Prodigy 435 points

Dear team,

请问TMS320F28035PNT的MCU的LAYOUT问题

1. 因MCU有分ADC和GPIO，故在铺铜箔时，有需要特别分ADC的GND和GPIO的GND吗?
2. MCU正下方做铺地散热，有指定面积多大吗?
3. GPIO和ADC哪个抗干扰比较强?
4. 询问铺地的方式，哪个比较抗干扰?

Thank you.

Kane