《89C51单片机LCD电路连接原理图.pdf》由会员分享，可在线阅读，更多相关《89C51单片机LCD电路连接原理图.pdf（1页珍藏版）》请在金锄头文库上搜索。
1、1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 DD CC BB AA Title NumberRevisionSize A3 Date:2008-5-7Sheet of File:E:研究51DDBSHEET1.SCHDOCDrawn By: P10 1 P11 2 P12 3 P13 4 P14 5 P15 6 P16 7 P17 8 RESET 9 P30 10 P31 11 P32 12 P33 13 P34 14 P35 15 P36 16 P37 17 XTAL2 18 XTAL1 19 GND 20 P20 21 P21 22 P22 23 P23 24 P24
2、25 P25 26 P26 27 P27 28 PSEN 29 ALE 30 EA 31 P07 32 P06 33 P05 34 P04 35 P03 36 P02 37 P01 38 P00 39 VCC 40 U1 STC89C51 1 2 3 4 5 6 7 8 9 PZ1 1K VCC P00 P01 P02 P03 P04 P05 P06 P07 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J1 J1-20PIN EA ALE PSEN P20 P21 P22 P23 P24 P25 P26 P27 P00 P01 P02
3、P03 P04 P05 P06 P07 EA ALE PSEN P20 P21 P22 P23 P24 P25 P26 P27 P10 P11 P12 P13 P14 P15 P16 P17 RESET P30 P31 P32 P33 P34 P35 P36 P37 XTAL2 XTAL1 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J2 J2-20PIN P10 P11 P12 P13 P14 P15 P16 P17 RESET P30 P31 P32 P33 P34 P35 P36 P37 XTAL2 XTAL1 GND D
4、1 VCC D2 D3 D4 D5 D6 D7 D8 30pF C1 30pF C2 12 Y1 11.0592 GND XTAL1XTAL2 VCC10uF C3 S1 SW-PB 10K R1 100 R2 GND RESET Vbus D+ D- GND J3 USB-JACK VCC GND 8.8.8.8. A A B B C C D D E E F F G G DP DP P1 P1 P2 P2 P3 P3 P4 P4 U2GONGYANG-4LED 1 2 J4 LED8 ENABLE VCC 100K R3 100K R4 100K R5 100K R6 P10P11P12P1
5、3 100uF C4 100nF C5 VCC GND 100pF C6 VCC GND Q1 PNP Q2 PNP Q3 PNP Q4 PNP 1 2 J7 LED_EN GND 1 VCC 2 VL 3 RS 4 RW 5 E 6 D0 7 D1 8 D2 9 D3 10 D4 11 D5 12 D6 13 D7 14 CS1 15 CS2 16 RST 17 0-10V 18 BL+ 19 BL- 20 LCD 12864 P112864 GND VCC 10K R7 VCC P10 P11 P12 P13 P14 P15 VCC 10 R8 GND GND 1 VCC 2 VL 3 R
6、S 4 RW 5 E 6 D1 7 D2 8 D3 9 D4 10 D5 11 D6 12 D7 13 D8 14 VCC 15 GND 16 LCD 1602 P21602 GNDGND VCCVCC 0 R9 GND P10 P11 P12 1 2 3 U3 18b20 GND VCC P16 1 2 3 4 5 6 7 8 9 11 10 COM1 GND 15 C1+ 1 V+ 2 C1- 3 C2+ 4 C2- 5 V- 6 out2 7 in2 8 Rx2 9 Tx2 10 Tx1 11 Rx1 12 in1 13 out1 14 Vcc 16 RS232 TTL U4 MAX23
7、2 1uF C7 VCC GND GND 1uFC8 1uFC9 1uF C10 1uF C11 VCC GND P30 P31 GND GND 12 34 J5 COM_2 COM_3 COM_2 COM_3 + - U5 BUZZER GND Q5 PNP VCC 10K R10 P17 P20 P21 P22 P23 P24 P25 P26 P27 P20 P21 P22 P23 P24 P25 P26 P27 AD0 23 AD1 24 AD2 25 AD3 26 AD4 27 AD5 28 AD6 1 AD7 2 CS 4 ALE 3 RD 5 WR 6 INT 16 CLKOUT
8、7 RST 17 TX0 13 TX1 14 RX0 19 RX1 20 MODE 11 VDD1 22 VSS1 8 VDD2 18 VSS2 21 VDD3 12 VSS3 15 XTAL1 9 XTAL2 10 U7 sja1000 P00 P01 P02 P03 P04 P05 P06 P07 GND ALE P37 P36 P32 RST VCC10KR11 10uF C12 S2 RST GND VCC GND 12 Y2 12M 15pC13 15pC14 GND VSS1 VSS2 VSS3 0.1uFC15 0.1uFC16 0.1uFC17 VSS1 VSS2 VSS3 G
9、ND TXD 1 GND 2 VCC 3 RXD 4 VREF 5 CANL 6 CANH 7 RS 8 U6 82c250 VCC GND 10KR12 GND 1 2 J8 CAN 120 R13 10KR14 VCC RXD 1 NSLP 2 NWAKE 3 TXD 4 GND 5 LIN 6 BAT 7 INH 8 U8 TJA1020 6.5K*R19 VCC P33 P30 P31 VCC GND 0.1uf C18 VCC GND 220pF C19 GND 1 2 J9 LIN BUS GND D9 1N4148 1KR15 1 2 J10 MASTER SELECT 2.2K R16 VCC 2.2K R17* VCC NWAKE 3K R18 NWAKE S3 LIN WAKE GND 0.1uF C20 P34P35 10K R20 10K R21 VCC S4 SW-PB S5 SW-PB GND P20 P21 P22 P23 P24 P25 P26 P27 P20 P21 P22 P23 P24 P25 P26 P27
