PIC16F877A最小系统板原理图

1

2

3

4

A

A

VCCP0R202 P0R102

VCC R2 470 D1 Led

P0K101 P0R101

R1 10K

P0R201

N0VPP VPP

P0D10A P0D10K K

N010

P0K102

N021N022N023N024N025N026N027N028N029N030

N010

K1 Key

B

GND GND

C1P0C101 P0C102 P0X102 N0OSC1 OSC1

GND

P0C201 P0C202

22PF

P0X101

22PF C2

X1 XTAL N0OSC2 OSC2

U1 N0VPP1 VPP P0U101 MCLR 2 2P0U102 RA0 3 3P0U103 RA1 4 4P0U104 RA2 5 5P0U105 RA3 6 6P0U106 RA4 7 7P0U107 RA5 8 8P0U108 RE0 9 9P0U109 RE1 10 10 P0U1010 RE2 N0VCC VCC 11P0U1011 VDD N0GND GND 12 P0U1012 Vss N0OSC1 OSC1 13 P0U1013 OSC1 N0OSC2 OSC2 14 P0U1014 OSC2 15 15 P0U1015 RC0 16 16 P0U1016 RC1 17 17 P0U1017 RC2 18 18 P0U1018 RC3 19 19 P0U1019 RD0 20 20 P0U1020 RD1N09 N08 N07 N06 N05 N04 N03 N02 N020N019N018N017N016N015

N033N034N035N036N037N038N039N040

RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0 VDD Vss RD7 RD6 RD5 RD4 RC7 RC6 RC5 RC4 RD3 RD2

40 P0U1039 39 P0U1038 38 P0U1037 37 P0U1036 36 P0U1035 35 P0U1034 34 P0U1033 33 P0U1032 32 P0U1031 31 P0U1030 30 P0U1029 29 P0U1028 28 P0U1027 27 P0U1026 26 P0U1025 25 P0U1024 24 P0U1023 23 P0U1022 22 P0U1021 21P0U1040

40 39 38 37 36 35 34 33 N0VCC VCC N0GND GND 30 29 28 27 26 25 24 23 22 21

N0VPP VPP P0H101 1 2 P0H102 2 3 P0H103 3 4 P0H104 4 5 P0H105 5 6 P0H106 6 7 P0H107 7 8 P0H108 8 9 P0H109 9 10 P0H1010 10 N0VCC VCC P0H1011 11 N0GND GND P0H1012 12 N0OSC1 OSC1 P0H1013 13 N0OSC2 OSC2 P0H1014 14 15 P0H1015 15 16 P0H1016 16 17 P0H1017 17 18 P0H1018 18 19 P0H1019 19 20 P0H1020 20 N09 N08 N07 N06 N05 N04 N03 N02 N020N019N018N017N016N015

40 P0H201 1 39 P0H202 2 38 P0H203 3 37 P0H204 4 36 P0H205 5 35 P0H206 6 34 P0H207 7 33 P0H208 8 N0VCC VCC P0H209 9 N0GND GND P0H2010 10 30 P0H2011 11 29 P0H2012 12 28 P0H2013 13 27 P0H2014 14 26 P0H2015 15 25 P0H2016 16 24 P0H2017 17 23 P0H2018 18 22 P0H2019 19 21 P0H2020 20N021N022N023N024N025N026N027N028N029N030

PIC16F877

N033N034N035N036N037N038N039N040

H1

H2

A

B

PIC16F877A

Header20

Header20

VCC P1 C DC GND GND VCC P0P101 1 P0P102 2 P0P103 3 VCCP0C302 P0C301 P0C402 P0C401

H3 1 2 P0H302 3 P0H303 4 P0H304 5 P0H305P0H301

H4 1 2 P0H402 3 P0H403 4 P0H404 5 P0H405P0H401

C

C3 22NF

C4 22NF

5PIN GND

5PIN

D

Title

D Number Revision

Size A4 Date: File: 1 2 3

2015-3-30 Sheet of E:\DIY\PIC\SMALLESTPCB\SHEET1.SCHDOC Drawn By: 4