Sheet1Page1PartTypeDesignatorFootprintDescription47pFC0603Capacitor0
1uF/50VC2~C14C0603Capacitor1nF/1KVC0603Capacitor10nF/50VC0603Capacitor1uF/25VC17~C20TAN-ACapacitor10uF/16VTAN-ACapacitor10KR14~R17R06035K1R18R0603R060315KR22R060317
4KR0603R06031MR060339KR7R0603R1~R6R060310KR0603BD2243GU1SSOP6CJT1117B-3
3U2SOT-223CON3JP1JP3ConnectorCON6P2USB-BConnectorFT231XS-UU5SSOP20-FT231LEDD1~D6LED0805LN2302LT1GQ1SOT-23PMF-PSMF020X-2F1F0805FuseP1DB9MRT9179PBU6SOT-23-5SN74LVC8T245PWRTSSOP24SP0503BAHTGU4SOT143-4SP3243EEAU3SSOP28SY6280AACU7SOT-23-5TTL-232P3CON14C21、C22C28、C26C1、C27C15、C16、C23、C24、C250欧姆R19、R20R23、R1227欧姆R8、R9R24、R21510欧姆R10、R11、R13RS-232插座U8、U9备注:这个验证板,可以做USB转DB9的全信号串口,也可以实现基于TLL电平的全信号串口,但这两个接口的功能不能同时正常工作
为此,建议当你使用USB转DB9的全信号串口时,U8和U9不用焊接;类似的,如果使用TLL电平,那么P1和U3不用焊接
Sheet1Page2立创商品编号备注没严格要