比较实用的设计开发IC资料
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Application Note Multiprotocol Solution using SP322 and SP526 Operating Mode SP526 SP322 D1 D0 V11V35 SD Shutdown V35 RS530 RS530A V36 RS449 X21 0 1 0 1 0 0 0 0 1 1 0 1 1 1 X 1 0 0 0 0 0 1 0 0 0 0 0 0 DTEDCE 5V s s V 2 C 2 C 1 C c c V d d V 1 C D N G SP322 TxD TSET RxD RxC T1 T2 R1 R2 TxCOUT T3 T3 ENA R3 EN R3 TxCIN T T T T T T V11TERM V11V35 SD SHUTDN 5V s s V 2 C D N 1 2 C C G SP526 1 C c c V d d V RTS CTS DCDDTE DCDDCE DTR DSR LL TM or RI T1 R1 T2......
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