4.7K
J-JDQ J-JDQ
1
2
A K
D1 4007
3
VCC JDQ JDQ
VCC
VCC
2
JDQ4001 1
3 2 1
6
5
R5 470
中断/独立按键
INT0 INT0
D/A转换
U3 VCCC8 104 D0 D1 D2 D3 D4 D5 D6 D7 DA_CS 1 P36 2 18 19 17 7 6 5 4 16 15 14 13 10 3 ~CS ~WR1 ~WR2 ILE ~XFER DI0 DI1 DI2 DI3 DI4 DI5 DI6 DI7 GND GND VDD VCC Jout J-out 20 1 2 3 4
VCC 16 2 6 15 10 9 C4 104 C6 104 C7 104 P31 P30 C2 30p C1 30p VCC CRY1 12M
电源
R11
VCC
扩展插针接口
P23 P22 P21 P20 P37 P36 VCC VCC
470 A
VCC
6 5 4 3 2 1
AT89S52 20 VCC 40
4*4矩阵键
VCC 0 SDA D LCD_RS 4 LCD_RW 8 LCD_E C SCL 2 1 D E F 1 LEDJDQ LED 2 9 A B 5 6 7 INT0 1 PS2DATA 2 P16 3 P17 VCC PS2DATA JPS2 1 2 3 4 5 6 PS/2
1 2
C10 104
ADC0831
DAC0832 DAC0832
AT24C02
VCC
LED彩灯
LED1 LCD_RS LED2 LCD_RW LED3 LCD_E LED4 BELL SCL LED5 SDA
3 2 1 TEMP RP2-470 1 2 3 4 5 6 7 8 9 P20 R20 4.7K WEI0 Q3 P21 R21 4.7K 9012 Q4 P22 R22 4.7K 9012 Q5 9012 P23 R23 4.7K WEI3 Q6 VCC 9012 104 C14
3 5 10 1 2 4 7 11
J8 LED4*8 H G F E D C B A
WEI2
VCC
1 2 3
J-LED VCC
VCC
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
电脑键盘 PS/2接口
LCD接口
Q2 9012
JDQ
R4
继电器
J2-LCD1602
VCC HS0038B C12 104 R9 P37 R8 P36 VCC 4.7K HW 4.7K R10 100 C13 104 3 2 1 C
C
SCL GND SDA AT24C02
下载接口
J-ISP P15A RST P17A P16A 1 3 5 7 9 MOSI VCC NC NC RST NC CLK GND MISO NC VCC 2 4 6 8 10
VCCCP1 10u Nhomakorabea+
VCC SW 104 SW SPST 1 2 LEDPOWER LED 1 2 J-POWER J-POWER2
U2 1 C3 104 3 4 A J-232 1 6 2 7 3 8 4 9 5 C5 104 5 7 8 C1+ C1C2+ C2T2out R2in VCC V+ VGND T2in R2out
4 3 2 1
Title
串行通信
Size C Date: File:
Number
Revision
22-May-2009 Sheet of Drawn By: F:\AT89S52\txl的开发板\电路\华意\txl的单片机开发板（第二版布线最终0501 ）.ddb
4
J3
VCC VREF 8 R3 470 8 RFB OUT1 OUT2 9 11 AD_CS 1 12 SCL SDA 7 6
A/D转换
R24 U4 VCC SCL SDA CS 470 +IN -IN REF GND 2 3
Rw1 10K J-in 1 2 VCC 5 C9 4 104 4 1 2 3 U5 A0 A1 A2 VCC WP 8 7 6 5
WEI1
VCC Q1 9012 PS2DATA
LED6 LED7 P16
Y0
Y1
Y2
Y3
B R2 4.7K
蜂鸣器
FM
LED8 P17
D7 D6 D5 D4 D3 D2 D1 D0
R12 470 R13 R14 470 R15 470 R16 470 R17 470 R18 470 R19 470 470
R6 10 LCD_PSB
C11 104
CONTRAST LCD_RS LCD_RW LCD_E D0 CONTRAST D1 D2 D3 D4 D5 D6 D7 LCD_PSB
1 2 CONTRAST 3 LCD_RS 4 LCD_RW 5 LCD_E 6 D0 7 D1 8 D2 9 D3 10 D4 11 D5 12 D6 13 D7 14 15 16
J3-LCD12864
D
R7 10
Rw2 10K
VCC
红外 接收头
DS18B20
DS18B20 DS18B20
C15 U6 104 BATTERY BATTERY 8 7 6 5 SCL SDA 1302_CS
LED数码
CRY2 32768
1 2 3 4
VCC2 VCC1 X1 SCLK X2 I/O GND CE DS1302
B
WEI0 12
WEI1 9
WEI2 8
WEI3 6
DS1302 时钟
J-USB 1 2 3 4
RESET
复位
R1 10K RST U1 AT89S51 P10A 1 P11A 2 P12A 3 P13A 4 P14A 5 P15A 6 P16A 7 P17A 8 P33A 13 P32A 12 15 P35A P34A 14 19 18 RST 9 31 P31A 11 10 P30A P10 P11 P12 P13 P14 P15 P16 P17 INT1 INT0 T1 T0 X1 X2 RESET EA/VP GND TXD RXD P00 P01 P02 P03 P04 P05 P06 P07 P20 P21 P22 P23 P24 P25 P26 P27 ALE/P PSEN WR RD 39 38 37 36 35 34 33 32 21 22 23 24 25 26 27 28 30 29 16 17 P00A P01A P02A P03A P04A P05A P06A P07A P20A P21A P22A P23A P24A P25A P26A P27A ALE PSEN P36A P37A VCC P00A P01A P02A P03A P04A P05A P06A VCC P07A ALE PSEN P27A P26A P25A P24A P23A P22A P21A P20A J5 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 P0&P2 J-MOTOR CON6 J-IIC CON4 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 D0 D1 D2 D3 D4 D5 D6 D7 RP1-10k 1 2 3 4 5 6 7 8 9 J6 LCD_RS LCD_RW LCD_E SCL SDA PS2DATA P16 P17 1 3 5 7 9 11 13 15 P1 DA_CS AD_CS 1302_CS JDQ P23 P22 P21 P20 2 4 6 8 10 12 14 16 P10A P11A P12A P13A P14A P15A P16A P17A P30 P31 INT0 HW FM TEMP P36 P37 J7 1 3 5 7 9 11 13 15 P3 2 4 6 8 10 12 14 16 P30A P31A P32A P33A P34A P35A P36A P37A C18 JPWOD A B C 1 2 3 VCC R25 1