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TMS320F280049: 请帮忙看下以下DSP是否可以互相替换

Part Number: TMS320F280049

F280049PZSR

F280049CPZQR

F280045PZSR

F280041PZQR

F280041CPZQR

因为缺货,想知道以上型号是否能直接替换,都是pin to pin的,如果有差异,差异有哪些呢?