STC89C51单片机实验板原理图

P20 P21 P22 P23 P24 P25 P26 P27
1 2 3 4 5 6 7 8
C
S18 INT1 P34 GND
S19 T0 P35 GND
S20 T1
Header 8X2A
Header 8X2A
Header 8X2A
Header 8X2A GND
VCC MAX232 15 C6 0.1uF 0.1uF 6 4 GND VCC 16 2 1 3 11 10 12 9 P31 P30 Bell Title Size A3 Date: File: 2009-11-9 Sheet of E:\DXP 2004\..\电协STC单片机实验板.SchDoc Drawn By: 7 8 Number Revision C8 0.1uF 0.1uF C9 0.1uF 0.1uF P24 R5 1K 1K Q5 8550 PNP 蜂鸣器 D VCC P32 1 2 3 GND 4 VCC P33 5 6 PS2-6PIN S
IrDA
PS2-6PIN
D
RT-OUT1 T-IN1 RT-OUT2 T-IN2 RR-IN1 R-OUT1 RR-IN2 R-OUT2 MAX232
1
2 Vs
HS0038A2 HS0038A2
GND
O UT
3
P33 IrDA
GND
1
2
3
4
5
6
DISPLAY N1 N2 N3 N4 A VCC
LED P16
LEDA LED1 P17
LEDB LED1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A
P25 P26 P27 P00 P01 P02 P03 P04 P05 P06 P07
-1 -2 -3 -4 a b c d e f g dp
S9 P32 S13 P2 P3 9 10 11 12 13 14 15 16 P2_0 P2_1 P2_2 P2_3 P2_4 P2_5 P2_6 P2_7 P30 P31 P32 P33 P34 P35 P36 P37 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 P3_0 P3_1 P3_2 P3_3 P3_4 P3_5 P3_6 P3_7 P33 P34 P35 P36 P37 S17 INT0 P32 GND P33
பைடு நூலகம்
K A
GND ID D+ DV CC
2
B 电源开关 SW-SPST GNDGND POWER GND GNDGND VCC GND 5 4 3 2 1 POWER S4 S8 S12 S16
1
RXD TXD Header 2 1 2 AT24C04 1 2 3 4 GND A0 A1 A2 Vss 24C04 Vcc WP SCL SDA VCC 8 7 6 P13 5 P14 GND GND
11 7 4 2 1 10 5 3
GND
电源 P10 电位器 10K 7 2 3 4 B GND 3 2 1 Header 3 GND GND VCC GND GND GND GND 1 2 3 VCC ADC0832 CLK VCC/REF CH0 CH1 DI DO GND CS ADC0832AP G N D _V CC_CH 0 VCC 8 5 6 1 P11 P12 VCC 2 VCC VCC R3 1K 1K 1N4007 1N4007 C1 100uF 100uF C2 0.1uF 0.1uF 电源指示灯 LED1 P1_0 P1_1 P1_2 VCC P1_3 P1_4 C3 10uFP1_5 10uF P1_6 P1_7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DC插座 DC-002 GND VCC 1 POWER POWER Header 3 VCC Header 3 1 2 3 1 2 3 Mini_USB miniUSB_B
1
2
3
4
5
6
7
8
DISPLAY P20 Q1 8050 P21 NPN Q2 8050 P22 NPN Q3 8050 P23 NPN Q4 8050 NPN 流水灯 数码管 Header 3 1 2 3 VCC VCC LCD_1602 LCD1602 LCD_12864 LCD12864 V SS VDD V EE RS RW E D0 D1 D2 D3 D4 D5 D6 D7 LCD _A LCD _K GND V CC VO RS RW E D B0 D B1 D B2 D B3 D B4 D B5 D B6 D B7 PSB NC RST NC LED _A LED _K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
HS0038 P33 Header 2 1 2
GND VCC
CAPCAP + CAP 2+ CAP 1+ CAP 2CAP 1-
DB9 11 10 1 6 2 PC_RXD(Com pin2) 7 3 PC_TXD(Com pin3) 8 4 9 5 D Connector 9(DB9)
C7 0.1uF 0.1uF 5 14 7 13 8
P3_0 R4 10K P3_1 10K P3_2 P3_3 P3_4 C4 30pF P3_5 30pF GND P3_6 P3_7 1 晶振 XTAL
VCC
S1 P30 S5
S2
S3
S6
S7
2 P31 P30 P0 P1 9 10 11 12 13 14 15 16 P00 P01 P02 P03 P04 P05 P06 P07 P10 P11 P12 P13 P14 P15 P16 P17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
S10
S11
S14
S15
C
VCC R2 4K7 4K7 DS18B20 P15 2 1 GND DQ GND DS1820 VCC VCC 3
P0_0 P0_1 P0_2 P0_3 P0_4 P0_5 P0_6 P0_7
1 2 3 4 5 6 7 8
P1_0 P1_1 P1_2 P1_3 P1_4 P1_5 P1_6 P1_7
12 9 8 6
N1 N2 N3 N4
VCC LED LED7 LED1 P07 P06 LED6 LED1 P05 LED5 LED1 P04 LED4 LED1 P03 LED3 LED1 P02 LED2 LED1 P01 LED1 LED1 P00 LED0 LED1
R1 1K 1K
1602背光 2 1 Header 2
VCC STC89C51 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST P3.0_RXD P3.1_TXD P3.2_INT0 P3.3_INT1 P3.4_T0 P3.5_T1 P3.6 P3.7 XTAL2 XTAL1 GND STC89C51 C5 30pF 30pF GND P31 VCC P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 EA/VPP ALE/PROG PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 VCC P0_0 P0_1 P0_2 P0_3 P0_4 P0_5 P0_6 P0_7 VCC P2_7 P2_6 P2_5 P2_4 P2_3 P2_2 P2_1 P2_0 P0排阻 1 2 3 4 5 6 7 8 9 Header 9 GNDGND POWER
GND VCC
VCC GND
P25 P26 P27 P00 P01 P02 P03 P04 P05 P06 P07
四位数码管 DPY
GND
VCC VCC GND
R6 10K VCC 10K
R7 4K7 4K7 12864背光 2 1 Header 2 VCC
P00 P01 P02 P03 P04 P05 P06 P07