C51单片机MCU模块图纸
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1
2
3
SW? 2 3
VCC
BUZ? 2 1 2 P3.3 Title 3 1 Q? C8550
5 4 KEY-6
BUZZ
1
Size A4 Date: File:
Number
Revision
10-Jun-2016 Sheet of D:\PROTEL 99\EDA_LIB\PROTEL 99SE\PREVIO~22.DDB Drawn By: 4
4
X? 11.0592M 2 C? 30P X2 DSX1 1
X? 32.768K
VCC
VCC 1 2 3 4 CH0 4 3 2 1
S?
D
CON4 S? CON2
D
CON2
3
R? 10K 2 2 D? 4148 C 1 U? VCC VCC I/O GND 1 2 3
Q? C8050
3
Q? C8050 2
1 VCC S? CON11 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 R? 4.7K R? 4.7K X1 1 C? 30P VCC
2
3 U? 24C08 2 C? 30P C? 30P VCC P3.0 DSX1 DSX2 1 2 3 4 U? VCC2 VCC X1 SCLK X2 I/O GND RST DS1302 8 7 6 5 1 P3.4 2 P3.5 P2.4 S? DSX2 1 2 3 4 A0 A1 A2 GND VCC WP SCL SDA 8 7 6 5 U? ADC0832 P36 P37 VCC P2.6 P2.7 8 7 6 5 VCC CLK DO DI CS CH0 CH1 GND P2.5
1
IR
IR
1
KEY-4 KEY?
KEY? 1 2 KEY-4 R? RES 3
4
U? 10UF/16V R? VCC RES
B
P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 X2 X1 GND
+
KEY-4
B
RSET
S? CON6 1 2 3 4 5 6 A
R? 1 2 1 D? 4007 6
R? 10K U? STC89C52 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RSET 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RSET P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 XT1 XT2 GND EA ALE PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 VCC P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 40 39 38 37 36 35 34 33 32 VCC VCC P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 KEY? 1 2 KEY-4 KEY? VCC 31 NetLabel94 30 29 NetLabel95 28 27 26 25 24 23 22 21 P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 1 2 KEY-4 3 4 P2.1 1 2 3 4 P2.0 1 2 KEY?
Fra Baidu bibliotek
R? 10K P3.1
2 1 CH0 VCC R? 10K C VCC 3 4 P2.2 3 4 P2.3 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 A