PL7 PL6 PL5 PL4 PL3 PL2 PL1 PL0 8x1F-H8.5 +5V XIO pwm pwm pwm ADCH 8 7 6 5 4 3 2 1 ADC15 ADC14 ADC13 ADC12 ADC11 ADC10 ADC9 ADC8 +5V+3V3 1 2 3 4 5 6 7 8 VIN GND TXD3 RXD3 POWER 8x1F-H8.5 pwm pwm pwm pwm PH6 PH5 PH4 PH3 TXD2 RXD2 42 41 40 39 38 37 36 35 PL7 PL6 PL5(OC5C) PL4(OC5B) PL3(OC5A) PL2(T5) PL1(ICP5) PL0(ICP4) 82 83 84 85 86 87 88 89 PK7(ADC15/PCINT23) PK6(ADC14/PCINT22) PK5(ADC13/PCINT21) PK4(ADC12/PCINT20) PK3(ADC11/PCINT19) PK2(ADC10/PCINT18) PK1(ADC9/PCINT17) PK0(ADC8/PCINT16) 79 69 68 67 66 65 64 63 PJ7 PJ6(PCINT15) PJ5(PCINT14) PJ4(PCINT13) PJ3(PCINT12) PJ2(XCK3/PCINT11) PJ1(TXD3/PCINT10) PJ0(RXD3/PCINT9) 27 18 17 16 15 14 13 12 PH7(T4) PH6(OC2B) PH5(OC4C) PH4(OC4B) PH3(OC4A) PH2(XCK2) PH1(TXD2) PH0(RXD2) (T0)PD7 (T1)PD6 (XCK1)PD5 (ICP1)PD4 (TXD1/INT3)PD3 (RXD1/INT2)PD2 (SDA/INT1)PD1 (SCL/INT0)PD0 (CLKO/ICP3/INT7)PE7 (T3/INT6)PE6 (OC3C/INT5)PE5 (OC3B/INT4)PE4 (OC3A/AIN1)PE3 (XCK0/AIN0)PE2 (TXD0)PE1 (RXD0/PCIN8)PE0 50 PD7 49 48 47 46 45 SDA 44 SCL 43 9 8 7 6 5 4 3 2 (ADC7/TDI)PF7 (ADC6/TDO)PF6 (ADC5/TMS)PF5 (ADC4/TCK)PF4 (ADC3)PF3 (ADC2)PF2 (ADC1)PF1 (ADC0)PF0 90 91 92 93 94 95 96 97 (OC0B)PG5 (TOSC1)PG4 (TOSC2)PG3 (ALE)PG2 (RD)PG1 (WR)PG0 1 29 28 70 52 51 PE5 PE4 PE3 PE1 PE0 TXD3 RXD3 TXD2 RXD2 TXD1 RXD1 PH4 PH3 PE3 PG5 PE5 PE4 PE1 PE0 pwm pwm pwm (TX0) (RX0) pwm pwm pwm pwm pwm pwm ADC7 ADC6 ADC5 ADC4 ADC3 ADC2 ADC1 ADC0 7 6 3 RN1C 10K RN1B 10K 8PB7 8PB6 8 7 6 5 4 3 2 1 COMMUNICATION 2 7 RN2B 22R 3 6 RN2C 22R 6 XVCC 1 2 3 4 3 USBVCC 22R RN2A 1 MF-MSMF050-2 500mA 8 DRDD+ RD+ 22R 5 RN2D 4 BLM21 1k RN3C PWML XT2 F1 L1 R2 1M 1u C10 100n C9 +5V ADCL 8 RN1A 10K 4 5 21 20 19 18 17 MISO2 16 MOSI2 15 SCK2 14 2 (PCINT7/OC0A/OC1C)PB7 (PCINT6)PB6 (PCINT5)PB5 (T1/PCINT4)PB4 (PD0/MISO/PCINT3)PB3 (PDI/MOSI/PCINT2)PB2 (SCLK/PCINT1)PB1 (SS/PCINT0)PB0 RESET(PC1/DW) 2 XTAL2(PC0) 1 XTAL1 32 AVCC 4 3 VCC GND DTR RESET XT1 VUCAP USBVCC RDRD+ UGND 27 31 30 29 28 33 1 GND 1 1 RESET-EN IC4 24 RESET2 C8 100n USB-B_TH X2 8x1F-H8.5 8 14 7 15 6 16 5 17 4 18 3 19 2 20 1 21 8x1F-H8.5 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 0 8x1F-H8.5 GND C7 GND MOSI2 100n 52 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 GND 2 UCAP UVCC DD+ UGND PAD 22 23 25 26 5 (INT4/ICP1/CLK0)PC7 (OC1A/PCINT8)PC6 (PCINT9/OC1B)PC5 (PCINT10)PC4 (AIN2/PCINT11)PC2 USB boot En GND (SCK) PB1 (MISO) PB3 PL1 PL3 PL5 PL7 PG1 PD7 PC1 PC3 PC5 PC7 PA6 PA4 PA2 PA0 10x1F-H8.5 CD1206-S01575 35 33 31 29 27 25 23 21 19 17 15 13 11 9 7 5 3 1 2 4 6 3x2M Y2 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 PC7 PC6 PC5 PC4 PC3 PC2 PC1 PC0 1 3 5 MISO2 SCK2 RESET2 10K 7 RN5B 2 D2 PB0 (SS) PB2 (MOSI) PL0 PL2 PL4 PL6 PG0 PG2 37 PC0 35 PC2 33 PC4 31 PC6 29 PA7 27 PA5 25 PA3 23 PA1 60 59 58 57 56 55 54 53 pwm pwm 13 12 11 TXL 10 RXL 9 M8RXD 8 M8TXD 7 6 (CTS/HWB/AIN6/TO/INT7)PD7 (RTS/AIN5/INT6)PD6 (XCK/AIN4/PCINT12)PD5 (INT5/AIN3)PD4 (TXD1/INT3)PD3 (RXD1/AIN1/INT2)PD2 (AIN0/INT1)PD1 (OC0B/INT0)PD0 GND 3 6 +5V RN4C 1k TX YELLOW ATMEGA16U2-MU GROUND GND 4 PE0 2 7 1 8 RN4B 1k M8RXD 5 RX RN4D 1k YELLOW RN1D 10K M8TXD PE1 PG5 pwm RN4A 1k PG2 PG1 PG0 ATMEGA2560-16AU RESET 4 3 5 2 1 GND TS42031-160R-TR-7260 RESET 4 GND 5 IC7B 7 +3V3 1 IN 3 ON/OFF 2 GATE_CMD 6 OUT 5 GND NC/FB 4 LMV358IDGKR 1u 3 5 C11 100n CMP RN5D 10K RN5C 10K 8 6 VIN C13+3V3 +3V3 +5V +5V 4 53 51 49 47 45 43 41 39 (A15)PC7 (A14)PC6 (A13)PC5 (A12)PC4 (A11)PC3 (A10)PC2 (A9)PC1 (A8)PC0 PH6 PH5 ICSP1 1 100n +5V 13 12 11 10 9 8 16MHz 100n GND 1 2 3 4 5 6 7 8 9 10 2 C6 VCC VCC VCC VCC GND GND GND GND SCL SDA AREF GND C15 22p 10 31 61 80 11 32 62 81 JP6 26 PB7 pwm 25 PB6 pwm 24 PB5 pwm 23 PB4 pwm 22 PB3 (MISO) PB2 (MOSI) 21 20 PB1 (SCK) 19 PB0 GND C5 (OC0A/OC1C/PCINT7)PB7 (OC1B/PCINT6)PB6 (OC1A/PCINT5)PB5 (OC2A/PCINT4)PB4 (MISO/PCINT3)PB3 (MOSI/PCINT2)PB2 (SCK/PCINT1)PB1 (SS/PCINT0)PB0 C14 22p AREF AVCC AGND AREF C3 UGND XTAL1 98 100 99 +5V 18x2F-H8.5 GND Z2 XTAL2 34 AREF PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 CG0603MLC-05E 33 XTAL1 71 72 73 74 75 76 77 78 CG0603MLC-05E XTAL2 (AD7)PA7 (AD6)PA6 (AD5)PA5 (AD4)PA4 (AD3)PA3 (AD2)PA2 (AD1)PA1 (AD0)PA0 USB RESET Z1 30 P$2 P$1 XTAL1 16MHZ CSTCE16M0V53-R0 100n (MOSI) P$1 GND Y1 100n SCL SDA PB2 IC3 RESET C4 CD1206-S01575 3x2M GND R1 1M D3 GND 2 4 6 5 GND 1 3 5 4 LMV358IDGKR GND GND +5V ICSP PB3 PB1 RESET (MISO) (SCK) GND 1k RN3D 2 4 2 7 L13 22p 3 1 1 2 2 RN3A 1k YELLOW L 1k RN3B IC7A JP5 PC2 47u C1 GREEN ON 2x2M - NM + 100n 3 8 8PB5 8PB4 1 C2 1 8 4 2 +5V USHIELD P$2 IN OUT 1 + PWRIN 3 RESET +5V IC1 NCP1117ST50T3G VIN D1 M7 PC1 47u GND 3 2 2 1 1 3 +5V GND X1 POWERSUPPLY_DC21MMX RN5A 10K +5V TM Arduino MEGA 2560 C12 100n +5V GND USBVCC T1 FDN340P +5V GND GND Reference Designs ARE PROVIDED "AS IS" AND "WITH ALL FAULTS. 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