PDC_USB_INTERFACE.pdf

PDC USB INTERFACE

PARTS LIST:

Jumpers:

J1 = Jumper

J2 = Jumper

J3 = Jumper

Resistors:

R1 = 10KΩ ¼W

R2 = 10KΩ ¼W

Capacitors:

C1 = 470nF

C2 = 27pF (ceramic)

C3 = 27pF (ceramic)

C5 = 100nF

Electrolytic capacitors:

C4 = 100µF 25V

Transistors:

T1 = BC547B (or equivalent i.e. 2N5818)

Connectors:

X1 = USB Type B 90° connector

SV1 = AMP MODU II 2803748 - 4 pins 90°

Quartz crystals:

Q1 = 8Mhz

IC sockets:

U1 = 28 pin narrow

ICs:

U1 = Programmed PIC 18F2550

Headers:

JP1 = 4 pins (Optional)

JP2 = 1 pin (Optional)

JP3 = 2 pin (Optional)