8MHz

+5V

+5V

+5V+5V

22pF

22pF

100nF

100nF

10k 100n

100nF 100nF

100n100n100n100n100n100n100n100n

100n

470

+5V

220

220

220

Ferrite bead

10k 10k 10k 10k 10k 10k 10k 10k

10k 10k 10k 10k 10k 10k 10k 10k

+5VLM7805

100nF 100nF

GND

1234

Q1C3

C2

C5

C1

R2 C4

C6 C7

C14C13C12C11C12XC10C9C8

C15

R3

R4

R5

R6

R1

R7 R8 R9 R10 R11 R12 R13 R14

MCLR/VPP/RE31

OSC1/CLKI13

RA0/AN0 2RA1/AN1 3

RA2/AN2/VREF-/CVREF 4RA3/AN4/VREF+ 5

RA4/T0CKI/CIOUT/RCV 6RA5/AN4/SS/HLVDIN/C2OUT 7

RA6/OSC2/CLKO14

RB0/AN12/INT0/LFT0/SDI/SDA 33RB1/AN10/INT1/SCK/SCL 34

RB2/AN8/INT2/VMO 35RB3/AN9/CCP2/VPO 36

RB4/AN11/KBI0/CSSPP 37RB5/KBI1/PGM 38

RB6/KBI2/PGC39

RB7/BKI3/PGD40

RC0/TIOSO/T13CKI 15RC1/T1OSI/ICCP2/UOE 16RC2/CCP1/P1A 17

RC4/D-/VM23

RC5/D+/VP24

RC6/TX/CK 25RC7/RX/DT/SDO 26

RD0/SPP019

RD1/SPP120

RD2/SPP221

RD3/SPP322

RD4/SPP427

RD5/SPP5/P1B28

RD6/SPP6/P1C29

RD7/SPP7/P1D30

RE0/AN5/CK1SPP 8RE1/AN6/CK2SPP 9RE2/AN3/OESPP 10

VD

D11

VD

D32

VS

S12

VS

S31

VUSB18

R15 R16 R17 R18 R19 R20 R21 R22

12345

GND

IN OUT

IC1

C16 C17

1 23 45 6

31 2

4RES

ET

MCLRX_LIM_MAX

X_LIM_MAX

X_LIM_MIN

X_LIM_MIN

Y_LIM_MAX

Y_LIM_MAX

Y_LIM_MIN

Y_LIM_MIN

Z_LIM_MAX

Z_LIM_MAX

Z_LIM_MIN

Z_LIM_MIN

A_LIM_MAX

A_LIM_MAXA_LIM_MIN

A_LIM_MIN

SPEED

SPEED

RB7RB6

Y+

Y+

Y-Y-Z+

Z+

Z-

Z-

A+

A+

A-

A-X+

X+

X-

X-

FLOOD

FLOOD

MIST

MIST

SPINDLE

SPINDLE

X_DIR

X_DIR

Y_DIR

Y_DIR

Z_DIR

Z_DIR

A_DIR

A_DIR

Y_STEP

Y_STEP

Z_STEP

Z_STEP

A_STEP

A_STEP

X_STEP

X_STEP

V_U

SB

A

B

C

D

1 2 3 4 5 6

A

B

C

D

1 2 3 4 5 6