单片机原理图

1

2

3

4

5 VCC TL1838 SP_VCC DB0

6

7

8

1 E D 2 Dg 3 4 C G 5 DIG4 6

E DIG1 D A Dg F C DIG2 G DIG3 DIG4 B shumaguan

12 11 10 9 8 7

DIG1 A F DIG2 DIG3 B

1 E D 2 Dg 3 4 C G 5 DIG8 6

E DIG1 D A Dg F C DIG2 G DIG3 DIG4 B shumaguan

12 11 10 9 8 7

DIG5 A F DIG6 DIG7 B

SCL

8550_R0 Res2 1K

Q1 8550 SPEAKER

1K DB1

GND_R1 GND 0 DGND

SP_VCCSP_VCC 2 1 Header 2 VCC

HW_TXD GND HW_R0 470 GND

1 2 3 HW_R2 330R VCC A

U4

U5

蜂鸣器

HW_R1

HW_Q 8550

四位共阳数码管 A

模拟地与数字地的隔离 GND

红外调制发射 VCC

红外调制接收 38K

VCC REST_R0 1K REST_C0 Cap Pol1 10uF REST_R1 10K

DB0 DB1 DB2/LCD_PSB DB3/LCD_RES DB4 DB5 DB6 DB7

Ps Header 2X2

GND

GND

1 2 3 4 5 6 7 8 9 10 P3.0 11 P3.1 12 INT0/OUT 13 Tring 14 LCD_EN/Echo AD_CS/LCD_RS 15 AD_WR/LCD_RW16 17 AD_RD 18 XTAL2 19 XTAL1 20

U1 P1_0 VCC P1_1 P0_0 P1_2 P0_1 P1_3 P0_2 P1_4 P0_3 P1_5 P0_4 P1_6 P0_5 P1_7 P0_6 RST P0_7 P3_0 EA P3_1 ALE P3_2 PSEN P3_3 P2_7 P3_4 P2_6 P3_5 P2_5 P3_6 P2_4 P3_7 P2_3 XTAL2 P2_2 XTAL1 P2_1 GND P2_0 STC89C52RC

VCC 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 D0 D1 D2 D3 D4 D5 D6 D7

10K 1 2 3 4 5 6 7 8 9 VCC Header 9 DGND U2 1 DULA 11 D0 D1 D2 D3 D4 D5 D6 D7

VCC OE LE D0 D1 D2 D3 D4 D5 D6 D7 GND 74HC573 VDD Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 20 19 18 17 16 15 14 13 12

DGND U3 1 WELA 11

VCC VDD Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 20 U6 19 18 17 16 15 14 13 12 DIG1 DIG2 DIG3 DIG4 DIG5 DIG6 DIG7 DIG8 AD_CS/LCD_RS AD_RD AD_WR/LCD_RW

OE LE D0 D1 D2 D3 D4 D5 D6 D7 GND 74HC573

AD_VCC 1 2 3 CS RD WR CLK IN CLKOUT REF/2 IN+ IN AGND DGND ADC0804 GM_OUT AD_IN RM_OUT

VCC

WELA DULA SP_EN I/O RST SCLK SCL SDA

2 3 4 5 6 7 8 9 10

A B C D E F G Dg

D0 D1 D2 D3 D4 D5 D6 D7

2 3 4 5 6 7 8 9 10

VCC INTR DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7

AD_VCC 20 5 18 17 16 15 14 13 12 11

1 2

AD_C1 DGND 104 AD_IN

1 3

JZ_C0 XTAL2

AD_VCC 1KAD_R3

AD_R2 1K

4 AD_R1 19 10K 9 AD_R4 6 10K 7 8 10 GND GND_R2 0

Cap Semi 30pF JZ_C1

2

DB0 DB1 DB2/LCD_PSB DB3/LCD_RES DB4 DB5 DB6 DB7

光敏电阻

RM_R0 GM_R0 100K GM_OUT

10K

热敏电阻

CSB 5 4 3 2 1 Header 5

VCC INT0/OUT LCD_EN/Echo Tring

2 4

RM_OUT

GM Photo Sen

RM

1

MCU_Y1 XTAL XTAL1

GND

GND

IN_AD 3 2 1

GND GND GND

超声波收发模块接口 ULN_VCC ULN_VCC ULN_VCC 2 1 ULN_R0 1K ULN_R2 1K 1K 1K

最小系统模块

GND

Cap Semi 30pF

分时复用电路

Header 3 GND

AD采样电路

光敏热敏感应模块

GND 1602 1 LCD_VCC 2 VR 3 AD_CS/LCD_RS 4 AD_WR/LCD_RW 5 LCD_EN/Echo 6 LCD_VCCD0 7 LCD_VCC D1 8 D2 2 9 D3 1 10 D4 11 VCC D5 12 D6 13 D7 14 LCD_VCC 15 16 Header 16 GND I2C_VCC U7 1 2 3 4 GND I2C_VCC I2C_VCC 2 1 VCC A0 VCC A1 WP A2 SCL GNDSDA AT24C02 I2C_VCC 8 7 GND 6 5 SDA SCL

S0 P3.0 P3.0

Header 2 VCC VCC

P3.2 0 1 2 3 P3.3

INT0/OUT

ULN_R1 ULN_R3 Tring

GND ds_C0 Cap 10pF Y1 ds_C1 32.768K 1 SCLK 7 5 RST

U8 2 3 4 SCLK VCC1 RST VCC2 X1 X2 I/O GND DS1302 Cap 10pF DS1302_VCC GND DS1302_VCC DS1302_VCC 2 1 8 1 6 I/O

P3.1

P3.1

B

S1 4 5 6 7 P3.4 8 9 A B P3.5 LCD_EN/Echo

U11 ULN_R4 ULN_R7 1K ULN_R6

1K ULN_R5 1K 1K DB4 DB5 DB6 DB7

ULN2003_OUT OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 COM 16 15 14 13 12 11 10 9 ULN_VCC 1 2 3 4 5 Header 5

B

P3.2

INT0/OUT

S2 AD_CS/LCD_RS

I2C_R1 10K

I2CR2 10K

1 2 3 4 5 6 7 8

P3.3

Tring

S3 C D E F GND

IN1 IN2 IN3 IN4 IN5 IN6 IN7 GND ULN2003

2

1602液晶模块

存储芯片模块 U9

时钟模块

VCC

P3.4 P3.5 P3.6 P3.7

LCD_EN/Echo AD_CS/LCD_RS AD_WR/LCD_RW AD_RD

GND

步进电机驱动模块

4*4矩阵按键 C1 2 PW_SW VCC *PL2303 1 2 3 3V3 4 5 P3.1 6 7 8 9 10 11 12 13 14 P3.0

独立按键

LCD12864

Header 20

PW_IN

1 2 VR 3 AD_CS/LCD_RS 4 AD_WR/LCD_RW 5 LCD_EN/Echo 6 D0 7 D1 8 D2 9 D3 10 D4 11 D5 12 D6 13 D7 14 DB2/LCD_PSB 15 16 DB3/LCD_RES 17 18 19 20

4

1 7805_C0 7805_C2 220u 104

IN

OUT GND

3

PW_USB

7805_C1 7805_C3 220u 7805_C4 104 104

GND

MC7805 GND Power 2 1 Header 2 GND GND GND PW_USB

GND USB_POWER 1 2 3 4 5 VCC

GND PW_R1 1K

LCD_VCC R21 RPot 1K LCD_VCC

LCD_VCC

PW_LED GND

12864液晶模块 GND C

7805/USB供电模块 PL2303_R0 VDD GND VCC 1K

TXD OCS2 DTR_N OCS1 RTS_N PLL_TEST VDD_232 GND_PLL RXD VDD_PLL RL_N LD_MODE GND TRE_STATE VDD GND DSR_N VDD DCD_N REST CTS_N GND_3V3 SHTD_N VDD_3V3 EE_CLK DM EE_DATA DP *PL2303

28 27 26 25 24 23 22 21 20 19 18 17 3V3 16 15

1

20p PL2303_Y 12M C2 VDD 20pF

GND GND J1 5 9 4 8 3 7 2 6 1 D Connector 9 GND 232_C0 232_C1 104 104 P3.1

U10 1 3 4 5 11 10 12 9 15 C1+ C1C2+ C2VDD VCC 2 16 VCC 14 7 13 8

232_C2 232_C3 104 Cap Semi 104 GND GND

GND VDD GND C4 104 R4 18 R5 18 R3 1.5K GND VDD

GND C6 C5 104 10u

10 11 PL2303_USB 1 2 3 4 5 Header 5

T1IN T1OUT T2IN T2OUT R1OUT R1IN R2OUT R2IN GND VEE

P3.0

232_C4 6 Cap Semi 104 C GND

MAX232ACSE

PL2303_LED P3.0

PL2303转串口模块 VCC_GND 1 3 5 7 9 2 4 6 8 10

串口通信模块

MCU_P0 1 2 3 4 5 6 7 8 Header 8 D0 D1 D2 D3 D4 D5 D6 D7

MCU_P1 1 2 3 4 5 6 7 8 Header 8 DB0 DB1 DB2/LCD_PSB DB3/LCD_RES DB4 DB5 DB6 DB7

MCU_P2 1 2 3 4 5 6 7 8 Header 8 SDA SCL SCLK RST I/O SP_EN DULA WELA

MCU_P3 1 2 3 4 5 6 7 8 Header 8 P3.0 P3.1 INT0/OUT Tring LCD_EN/Echo AD_CS/LCD_RS AD_WR/LCD_RW AD_RD

LED_VCC LED_VCC 2 1 VCC

Header 5X2

LED模块 LED_VCC LED_R7 1K LED_R6 1K LED_R5 1K LED_R4 1K D3 DB3/LCD_RES

IO端口

5V/0V接口

D7 DB7

D6 DB6

D5 DB5

D4 DB4

D

LED_R3 1K LED_R2 1K LED_R1 1K LED_R0 1K 1 2 3 D0 D1 D2

D

DB2/LCD_PSB

DB1

Title Size Number 2011-11-16 Sheet of C:\Documents and Settings\..\zichuang_51.SchDocBy: Drawn 8 Revision

DB1

A2 Date: File: 4 5 6 7

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