Schematic Arduino NANO-V3-CH340G ATMEGA328P [PDF]

Citation preview

1



2



3



GND



C4 F1 1 2



A



2D3D+ 4NC 5GND



+5V



+5V U1 CH340G RD+



X1 1VCC



4



M8RXD M8TXD



R4



GND C3



RD-



RDRD+



C1



R3



GND



Y2



1 2 3 4 5 6 7 8



R8



R2 +5V



GND VCC TXD RS232 RXD RTS V3 DTR UD+ DCD UDRI XI DSR XO CTS



16 15 14 13 12 11 10 9



LED7



A



M8TXD



RESET C5 DTR



R9 +5V



LED8



M8RXD



R1



GND



R10



R6



LED9 M8TXD



C2



+5V



PD1



GND



R5



R11



M8RXD



PD0



LED10 PB5



B



1



3



U4 3.3V



+5V C11



GND



1



C10



GND



2



VIN



2



U3 AMS1117-5.0



3.3V C12



PD3 PD4 GND +5V GND +5V XT1 XT2 PD5 PD6 PD7 PB0 PB1 PB2 PB3 PB4



GND



C J1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15



J2 PD1 PD0 RESET GND PD2 PD3 PD4 PD5 PD6 PD7 PB0 PB1 PB2 PB3 PB4



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15



B



U2



3



GND



GND



VIN GND RESET +5V ADC7 ADC6 A5 A4 A3 A2 A1 A0 AREF 3.3V PB5



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16



32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17



PD2 PD1 PD0 RESET A5 A4 A3 A2 A1 A0 ADC7 GND AREF ADC6 +5V PB5



AREF XT1



XT2



Y1



C6 GND



GND



R7 +5V RESET



C



S1



GND +5V



J3 1 2 3 4 5 6



1 2 3 4 5 6



PB4 PB5 PB3 RESET



GND



D



1



2



D



3



4