DS41356B datasheet(49/54 Pages) MICROCHIP

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LOW PIN COUNT USB

DEVELOPMENT KIT

USER’S GUIDE

DS41356B-page 45

Appendix A. Schematics

A.1

INTRODUCTION

This appendix contains the Low Pin Count USB Development Kit hardware diagrams.

FIGURE A-1:

LOW PIN COUNT USB DEVELOPMENT BOARD BILL OF

MATERALS

QTY

DESCRIPTION

IC, PIC18F14K50, 20P DIP

IC SMT, MAX3232CPWR ,DRVR/RCVR MLTCH RS232 16TSSO (U3)

CAP SMT, 0.1uF 0603 CER 16V 10% X7R (C6 - C10)

CAP SMT, 0.1uF 0805 CER 50V 10% X7R (C1, C3)

CAP SMT, 0.47uF 0805 CER 16V 10% X7R (C2)

CAP SMT, 22pF 0805 CER 100V 5% C0G (C4, C5)

RES SMT, 330-OHM 1/16W 1% 0603 (R8 - R11)

RES SMT, 1.0K-OHM 1/10W 1% 0805 (R1, R3)

RES SMT, 10K-OHM 1/10W 1% 0805 (R2)

RES SMT, 150K-OHM 1/10W 1% 0805 (R12)

RES SMT, 470-OHM 1/10W 1% 0805 (R4 - R7)

RES POT, 10K-OHM 1/2W THUMBWH CERM ST (POT 1)

LED, 565NM GREEN CLEAR 0805 T/R (D1 - D4)

OSC SMT, 12.000MHz CRYSTAL 18PF FUND SMD (HC49) (Y1)

SWITCH SMT, PUSH BUTTON SPST MOM 6MM 160GF/230GF (S1)

CONN SMT, RECPT, USB MINI-B 5POS RA (J1)

CONN, D-SUB, 9P PLUG RT ANGLE W/ JACK SCREWS (J15)

CONN, RECPT, 1x14 PIN 0.100" STR (J11)

CONN, HDR, 1x6 BREAKAWAY, 0.100" PITCH, 0.025 SQ, RA,

(0.230/0.090) (J6, J13)

CONN, HDR, 1x2, 0.100" PITCH, 0.025 SQ POST, TIN (0.135"/0.380"),

POL (J9)

CONN, HDR, 1x3 BREAKAWAY, 0.100" PITCH, 0.025 SQ POST, GD

(0.100"/0.230") (J14)

SOCKET, 20P DIP 0.300W COLLET OPEN FRAME (@XU1)

-SPARE- LOCATION (U2, J2 - J5, J7, J8)

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