指纹门禁系统设计 PCB原理图

Sheet of Drawn By: 4
1
2
3
24 23 22 21 20 19 18 17
P2.3 P2.2 P2.1 P2.0 P3.7 P3.6 P3.5 P3.4
GND GND_DC
P3.6
R4 510 D2
B
P5.4/RST/MCLKO/SS_3 VCC P5.5 GND P3.0/RXD/INT4/T2CLKO P3.1/TXD/T2 P3.2/INT0 P3.3/INT1
VCC3.3V
S2TXD P0.0
L1 Q1 S8550 J2 1 R1 VCC 510 LED 2 VCC BEEP VCC3.3V C1 C2 C3 C4 C5 100nF 100nF 100nF 100nF 100nF GND
R3 510
2
3
A
Header 4X2
P7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 1 2 3 4 5 6 7 8 Header 8
1
2
3
4
P0.3 P0.2 P0.1 P0.0 P2.7 P2.6 P2.5 P2.4
P5 S2RXD 8 6 4 2 7 5 3 1 GND
VCC
32 31 30 29 28 27 26 25
1
A
P0.3/AD3 P0.2/AD2 P0.1/AD1 P0.0/AD0 P2.7/A15/CCP2_3 P2.6/A14/CCP1_3 P2.5/A13/CCP0_3 P2.4/A12/ECI_3/SS_2
STC15F2K60S2_QFP32
P2.3/A11/MOSI_2 P2.2/A10/MISO_2 P2.1/A9/SCLK_2 P2.0/A8/RSTOUT_LOW P3.7/INT3/TXD_2/CCP2/CCP2_2 P3.6/INT2/RXD_2/CCP1_2 P3.5/T1/T0CLKO/CCP0_2 P3.4/T0/T1CLKO/ECI_2
C
VCC P9 P3.7 1 2 3 Header 3 GND D VCC GND P8 TXD RXD 1 2 3 4 5 6 Header 6
AMS1117-3.3
GND
VCC
Title
D Number Revision
Size A4 Date: File:
2018/5/29 D:\new\
.SchDoc
S_PWR1 M7 K1 Q2 VCC3.3V H1 0 GND VCC GND Relay 1 Header GND 1 4 2 5 3 6 SW
RXD TXD
9 10 11 12 13 14 15 16
C R2 10K VCC GND P0.3 P0.2 P0.1
GND_DC P6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Header 20 VCC AMS1 C6 100uf 2 1 C8 100nF 2 1 3 4 3 4 C7 100uf C9 100nF VCC3.3V J1 GND ID D+ DVCC Mini-USB D1 SS14 5 4 3 2 1
பைடு நூலகம்GND
B
S2RXD S2TXD P1.2 P1.3 P1.4 P1.5 P1.6 P1.7
1 2 3 4 5 6 7 8
P1.0/ADC0/CCP1/RXD2 P1.1/ADC1/CCP0/TXD2 P1.2/ADC2/SS/ECI P1.3/ADC3/MOSI P1.4/ADC4/MISO P1.5/ADC5/SCLK P1.6/ADC6/RXD_3/XTAL2 P1.7/ADC7/TXD_3/XTAL1