Leonardo Schematics

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ICSP. +5V. 3x. 2M. _N. M. 8x. 1F. -H. 8.5. 6x. 1F. -H. 8.5. G. N. D. +5. V. 1u. GND. GND. GND. GND. GND. 1u. G re en. GND. +5V. M. 7. GND. NCP1117ST50T3G.
+5V

ICSP RESET

2 4 6

3x2M_NM

ICSP

1 3 5

1 2 5

3 4

RESET TS42

SCK MISO GND

MOSI

100n

+5V U1 34 43 13

AGND

16

XTAL2

R1 1M 16MHz KX-7

L1

C4

17

XTAL1

44 24

AVCC

MH2029-300Y C5

100n

1uF

C6

GND

UCAP

C7

AGND

GND

42 14 15 23 35 6 2 3 4 5 7

AREF GND

22p

C2

100n

RESET Y1

GND

C1

RDRD+

1uF UGND

VUSB

R2

R3

NM

NM

(PCINT7/OC0A/OC1C/#RTS)PB7 (PCINT6/OC1B/OC4B/ADC13)PB6 (PCINT5/OC1A/#OC4B/ADC12)PB5 (ADC11/PCINT4)PB4 (PD0/MISO/PCINT3)PB3 (PDI/MOSI/PCINT2)PB2 (SCLK/PCINT1)PB1 (SS/PCINT0)PB0

XTAL2 XTAL1 AVCC1 AVCC

(ICP3/CLK0/OC4A)PC7 (OC3A/#0C4A)PC6

AREF VCC GND GND1 GND2 UCAP UVCC DD+ UGND VBUS

(INT6/AIN0)PE6 (#HWB)PE2 (T0/OC4D/ADC10)PD7 (T1/#OC4D/ADC9)PD6 (XCK1/#CTS)PD5 (ICP1/ADC8)PD4 (TXD1/INT3)PD3 (RXD1/AIN1/INT2)PD2 (SDA/INT1)PD1 (OC0B/SCL/INT0)PD0 (ADC7/TDI)PF7 (ADC6/TDO)PF6 (ADC5/TMS)PF5 (ADC4/TCK)PF4

VUSB EXP

GND

UGND

GND

AGND

U2

VCC1 GND3 RESET

(ADC1)PF1 (ADC0)PF0

GND GND

PAD

12 30 29 28 11 10 9 8

IO11* IO10* IO9* IO8 MISO MOSI SCK RXLED

32 31

IO13* D5*

1 33

D7 HWB

27 26 22 25 21 20 19 18

D6* IO12 TXLED D4 D1/TX D0/RX D2/SDA D3/SCL

36 37 38 39

A0 A1 A2 A3

40 41

A4 A5

+5V 34 AGND 43 RESET13

VCC1 GND3 RESET

XTAL2 16

XTAL2

XTAL1 17

XTAL1

AVCC 44 24

AREF 42 +5V 14 GND 15 GND 23 GND 35 UCAP 6 2 +5V 3 RD4 RD+ UGND 5 VUSB 7

(PCINT7/OC0A/OC1C/#RTS)PB7 (PCINT6/OC1B/OC4B/ADC13)PB6 (PCINT5/OC1A/#OC4B/ADC12)PB5 (ADC11/PCINT4)PB4 (PD0/MISO/PCINT3)PB3 (PDI/MOSI/PCINT2)PB2 (SCLK/PCINT1)PB1 (SS/PCINT0)PB0

AVCC1 AVCC AREF VCC GND GND1 GND2 UCAP UVCC DD+ UGND VBUS

(ICP3/CLK0/OC4A)PC7 (OC3A/#0C4A)PC6 (INT6/AIN0)PE6 (#HWB)PE2 (T0/OC4D/ADC10)PD7 (T1/#OC4D/ADC9)PD6 (XCK1/#CTS)PD5 (ICP1/ADC8)PD4 (TXD1/INT3)PD3 (RXD1/AIN1/INT2)PD2 (SDA/INT1)PD1 (OC0B/SCL/INT0)PD0 (ADC7/TDI)PF7 (ADC6/TDO)PF6 (ADC5/TMS)PF5 (ADC4/TCK)PF4

GND P$1

PAD (ADC1)PF1 (ADC0)PF0

GND

ATMEGA32U4-XUMU

12 30 29 28 11 10 9 8

IO11* IO10* IO9* IO8 MISO MOSI SCK RXLED

32 31

IO13* D5*

1 33

D7 HWB

27 26 22 25 21 20 19 18

D6* IO12 TXLED D4 D1/TX D0/RX D2/SDA D3/SCL

36 37 38 39

A0 A1 A2 A3

40 41

A4 A5

IO11* IO10* IO9* IO8 MISO MOSI SCK

ALT1

11# 10# 9# 8

#PWM 8/16bit #PWM 16bit #PWM 16bit

ALT2

ALT3

+A11 +A10 +A9

+PWM COMPL IO10

+A7

PWM 16bit COMPL D6

TO ICSP

IO13* USB boot En 10K 6 RN1C 3

IO

13

#PWM 10bit

GND

22p

GND

C3

4

D2

5

RN1D 10K

CD1206-S01575

+5V

12 7 6# 5# 4 3# 2 1 0

D7 D6* D5* D4 D3/SCL D2/SDA D1/TX D0/RX

#PWM Hi-Speed #PWM Hi-Speed #PWM 8bit

+AIN0 +A8 +A6

ATMEGA32U4-XUAU

UGND

ORIGIN

NOT USED

J3 1 2 3 4 5 6 7 8

GND

10K 8 RN1A 1 2

GND

+5V AUTO SELECTOR RN1B 10K

C13 100n

7

8

VIN

GND

CMP

5

+3V3

6

C22 100n

+5V

IC2B 7

GATE_CMD 1

LMV358IDGKR

3

VUSB

2

T1 FDN340P

C11 GND 1u GND

IN

OUT

5

+3V3 C14 1u

ON/OFF GND NC/FB

4

GND

1

RN2A

1K

8

1K 5 RN2D 4

RX Yellow

1K 6 RN2C 3

JP1

8x1F-H8.5 8 D7 7 7 D6* 6 6 D5* 5 5 D4 4 D3/SCL 4 3 D2/SDA 3 2 2 D1/TX 1 1 D0/RX 0 J2

+5V

ON Green

C12 10u

LL

TX Yellow

+5V

GND

+5V

1

LMV358IDGKR

L Yellow

GND

GND J4

GND

+

GND

IC2A

1K 7 RN2B 2

+5V

A5 A4 A3 A2 A1 A0

C10 10u

GND

GND

6 5 4 3 2 1

C9

GND

VIN

6x1F-H8.5

GND

VIN

VIN D1 M7

100n

NCP1117ST50T3G

2

1

C8 10u

3

3 2

8x1F-H8.5

EXTPOWER POWERSUPPLY_DC21MMX

+

CG0603MLC-05E

CG0603MLC-05E Z2

4 2

D3/SCL D2/SDA

22R RN3A

3

Z1

IN OUT

RD+

VUSB

UGND

IO13*

IC1

13 12 11 10 9 8

3

RESET

1

USB MICRO MH2029-300Y GND UGND L2

3

+5V

8

7

IO13* IO12 IO11* IO10* IO9* IO8

6

22R RN3C

+3V3

2

RN3B 22R

RD-

10 9 8 7 6 5 4 3 2 1

4

1

5

22R RN3D

+

P1 XUSB P2 DP3 D+ P4 USBID P5

2

VBUS DSH1 D+ SH2 ID SH3 SH4 GND SH5 SH6

1

S1 S2 S3 S4 S5 S6

4

GND

10x1F-H8.5

VUSB MF-MSMF050-2 500mA

AREF GND

F1

XUSB J1

RFU IOREF

USB

TXLED RXLED

GND