AT89C51单片机开发板原理图电路

Q2 8550 COM2 C R8 120
P1.7
B
Q4 8550 C R10
R14 100
GND
SPK U9 3 2 1 C HS0038 R12 10k U1 STC89C52 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 P1.0 SCL SCLK 1 P1.1 SDA 2 P1.2 IO 3 P1.3 RST 4 P1.4 5 P1.5 MOSI 6 P1.6 SCK 7 P1.7 MISO 8 RST P3.0 RXD 10 P3.1 TXD 11 P3.2 SPK 12 P3.3 IRDA 13 P3.4 CS 14 P3.5 DI 15 P3.6 DO 16 P3.7 CLK 17 +5V X1 GND 11.0592M C15 22P GND P3.2 C16 22P X2 X1 40 20 18 19 P10 P11 P12 P13 P14 P15 P16 P17 P30/RXD P31/TXD P32/INT0 P33/INT1 P34/T0 P35/T1 P36/WR P37/RD VCC GND X2 X1 P00 P01 P02 P03 P04 P05 P06 P07 P20 P21 P22 P23 P24 P25 P26 P27 PSEN ALE EA RST 39 38 37 36 35 34 33 32 21 22 23 24 25 26 27 28 29 30 31 9 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 PSEN ALE EA RST DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 D11 18B20 D10 D9 D8 PSW RS R/W E 10K +5V 1 RP1 JP3 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 EA ALE PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 EA ALE PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 GND C12 104 +5V 16 C11 104 GND R11 C14 1.5k 4.7u +5V U10 3 2 1 GND 18B20 +5V GND E R16 10K B Q5 8550 1K C R24 SPK 3 GND GND A/D GND +5V 1 RR1 CS 2 1 2 3 4 ADC0832 CS VCC CH0 CLK CH1 DO GND DI 8 7 6 5 +5V +5V CLK DO DI X2 32.768k GND DS1302 1 2 3 4
A
Revision
GND
P3.2
1
2
3
4
6
GND
JP2 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33
CN2 2 1 CN3 MAX232 1 C8 104 3 4 C9 104 5 P3.1 P3.0 11 10 12 9 C1+ C1C2+ GND C2T1IN T2IN R1OUT R2OUT T1OUT T2OUT R1IN R2IN VCC V+ V2 6 15 GND 14 7 13 8 GND C10 104 GND UART 1 6 2 7 3 8 4 9 5 D+ D+5V C5 4.7u R23 + C6 104 10K C7 1u GND 2 1 TXD P3.1 U11 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DCD RI GND D+ DVDD REGIN VBUS RST# NC SUSPEND# SUSPEND NC NC CP2102 DTR DSR TXD RXD RTX CTX NC NC NC NC NC NC NC NC 28 27 26 25 24 23 22 21 20 19 18 17 16 15 GND RXD1 TXD1 P3.0 P3.1 RXD P3.0 +5V
CN1
1 2 3 4
ISP
B
JP1
+5V 2 4 6 8 10
B
P1.5 (MOSI) RST P1.7 (SCK) P1.6 (MISO)
1 3 5 7 9
ISP
GND
+5V +5V U4 3 6 1 OC1 MAX485 OCC11 5 2 OCC1 B Q7 8550 C S1 1 2 3 OCC1 OC1 OCC11 R20 100 P3.0 P1.6 P3.1 1 2 3 4 RO RE DE DI VCC B A GND 8 7 6 5 +5V B A RR4 120 GND 2 1 JP8 D19 4001 4E RLY1 1 2 3 4 GND Title Size B JP10 Date: File: 5 26-Sep-2010 E :\circuit\ 阳光学习 板.DDB Sheet of Drawn By: Number NC VCC NC TEST NC SCL GND SDA AT24C08 8 7 6 5 +5V SCL SDA R25 10K R26 10K
BATT +5V +5V RF315 8 7 6 5 R22 10K SCLK IO RST GND GND D8 SIG 1 2 3 4 1 2 3 4 5 6 7 8 9 A0 A1 A2 A3 A4 A5 A6 A7 VSS
PT2272 VDD VT OSC1 OSC2 DIN D11 D10 D9 D8
ຫໍສະໝຸດ Baidu
COM3 R9 120 P0.1 P0.2
D2 D3 D4 P0.3
+5V 1
RP2
D
3
Q3 8550
D1 P0.0
D
GND 7805 PWR GND D10 4001 1 CP1 100u 2 Vin Vout 3 +5V
E
E
+5V R6 1K
+5V P0.4
D5 D6 P0.5 D7 COM4 P0.6 P0.7 120
GND +5V VLCD RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 +5V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
1602 VSS VDD VO RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 A K TG1602 GND
DS18B20 +5V IRDA
温度传感 器
VCC2 VCC1 X1 SCLK X2 IO GND RST
时钟
红外
+5V 18 17 VT 16 15 14 SIG 13 D11 12 D10 11 D9 10 D8 18B20
R15 820k JP9 1 3 5 7 9 2 4 6 8 10 P2.0 P2.1 P2.2 P2.3 P2.0 +5V R17 500 R18 10k P3.2 Q8 8050 C
CON3
P3.4 GND +5V P3.2
P2.3 S19 P2.3 S20 P2.2 S7 S3
P2.2 S4 S8
P2.1 S5 S9
P2.0 S6 S10
D18 4001
D17
D16
D15 2 1
4001 4001 4001
1 2 3 4 5 6
PS/2
P2.7 A S21 P2.1 S22 P2.0 P2.4 GND S15 S16 S17 S18 S11 S12 S13 S14 P2.6 P2.5
1
2
3
4 LED E +5V Q1 8550 COM1 C R7 120 P1.6 R5 1K C B E +5V
5 +5V RR 2 RS RW EN GND GND +5V VLCD P2.5 P2.6 P2.7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 PSW +5V D8 500 +5V 1 12864 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TG12864E-02
6
电源 部份
数码管
USB 6 5 4 3 2 1 GND D+ D+5V JP5 3 2 1 +5V BT1 +5V R2 CP2 100u 1k GND P0.4 P0.3 P0.7 P0.2 P0.6 COM4 1 2 3 4 5 6 D14 SEGLED 12 11 10 9 8 7 COM1 P0.0 P0.5 COM2 COM3 P0.1 P1.5 R4 1K B P1.4 R3 1K B