J5
J7
D
单片机电路
LED2 LED3 LED4 LED5 LED6 LED7 LED8 LED9 LEDC1 R41 1K Q11 9012 DB0 LED DB1 LED DB2 LED DB3 LED DB4 LED DB5 LED DB6 LED DB7 LED
+5
USB供电电路 单片机复位电路
LEDC4
R48 1K
ADDR0
ADDR1
ADDR2
74HC138 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 15 14 13 12 11 10 9 7 LEDC0 LEDC1 LEDC2 LEDC3 LEDC4 LEDC5 LEDC6 LEDC7
LEDC5
R49 1K
Q19 9012
1 7 2
+5 U11 11 12 R1 R2 R3 R4 DB9-TX DB9-RX C7 0.1uF C27 0.1uF C1 +5 0.1uF 2 16 10 9 1 3 T1IN R1OUT T2IN R2OUT C1+ C1V+ VCC MAX232 T1OUT R1IN T2OUT R2IN C2+ C2VGND 14 13 TO-PC-RX 7 8 4 5 6 15 TO-PC-TX C32 0.1uF C33 0.1uF 1 6 2 7 3 8 4 9 5 RS-232 J1 ADDR0 ADDR1 ADDR2 ADDR3
1 2 +5 3 ADDR0 4 ADDR1 5 ENLCD1 6 DB_0 7 DB_1 8 DB_2 9 DB_3 10 DB_4 11 DB_5 12 DB_6 13 DB_7 14 15 +5 16
GND VCC VO RS WR E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BG VCC BG GND LCD1602
显示译码与步进电机的选择接口跳线帽
ENLED
LEDC6
R50 1K
Q20 9012
5
+5 C23 0.1uF
LEDC7
R51 1K
Q21 9012
矩阵按键电路
DB9接口RS232串口电路 LED显示、及其驱动电路
J8 ENLCD LCD_CS
ENLCD2 15K R68 ENLCD1 15K R72
红外接收器
A
温度传感器
蜂鸣器
A
AD、DA电路
+5 C18 + 100u C8 C9 C28 C30 +5 Title:
时钟芯片DS1302
+5 R66 10K
+5 R69 18 3 2 1 C26 0.1uF +5 +5 R70 10K IRD R65 4.7K 1ware 3 2 1 VDD DQ GND U9 DS18B20
BUZZ R52 1K
Q22 9012
R7 100 1 2
D4 4148
BZ1 Buzzer
MC1
R54 1K
I2C接口、EEPROM
+5 R6 1K C25 SCK SIO S1302 MC2
H
B
C
E
F
Q13 9012
16 DB7
+5
R42
Q12 9012
3
4
6
R55 1K
Q4 9012
B
U8 8 4 2 Y3 32.768K 3 Vcc1 GND X1 X2 DS1302 Vcc2 SCLK I/O CE 1 7 6 5
SCL SDA A0 A1 A2
6 5 1 2 3
SCL SDA MC0 R53 1K Q2 9012 +5 Q3 9012 J12 1 2 3 4 5 motor
B
KST-51开发板原理图 In Doing We Learn!
金沙滩工作室
J9
R67 18
0.1uF
MC3
R56 1K
Q5 9012
步进电机
液晶接口
+5 1 +5 U6 14 2 R62 10K 3 TP2 AD1 AD2 AD3 TP1 AIN0 AIN1 AIN2 AIN3 1 2 3 4 15 C31 + 100u phone R59 18 12 11 Vref AIN0 AIN1 AIN2 AIN3 AOUT EXT OSC PCF8591 SDA SCL A0 A1 A2 VSS VDD AGND 9 SDA 10 SCL 5 6 7 8 16 13 +5 C29 0.1uF U10 VDD GND OUT HS0038
F1
DM FUSE DP
CON8
D
C12 20p CON8
C13 Y1 12MHz 20p
USB接口电路 USB串口转换电路
CON8
a b a c d f b g e f e c d g dp dp DS6 LED-7SEG
a b a c d f b g e f e c d g dp dp DS5 LED-7SEG
1
2
3
4
5
6
7
8
+5 U5 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 P1.0 P1.1 P1.2 P1.3 ENLED ENLCD BUZZ S1302 RXD TXD 1ware IRD SIO SCK SDA SCL RST +5 C21 0.1uF 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 29 9 40 20 P1.0/T2 P1.1/T2EX P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 P3.0/RXD P3.1/TXD P3.2/INT0 P3.3/INT1 P3.4/T0 P3.5/T1 P3.6/WR P3.7/RD PSEN RST VCC GND STC89C52 P0.0/AD0 P0.1/AD1 P0.2/AD2 P0.3/AD3 P0.4/AD4 P0.5/AD5 P0.6/AD6 P0.7/AD7 P2.7/A15 P2.6/A14 P2.5/A13 P2.4/A12 P2.3/A11 P2.2/A10 P2.1/A9 P2.0/A8 EA ALE XTAL1 XTAL2 39 38 37 36 35 34 33 32 28 27 26 25 24 23 22 21 31 30 19 18 Y2 11.0592MHz J2 C15 20p USB-TX TXD DB9-TX 1 3 5 UART 2 4 6 USB-RX RXD DB9-RX +5IN 1 2 4 5 PWR R35 1K PWR J10B 6 C19 + 100u C10 0.1uF J10A 3 LED10 LED RESET +5 K17 C11 0.1uF R60 18 R31 4.7K RST DB_0 DB_1 DB_2 DB_3 DB_4 DB_5 DB_6 DB_7 KeyIn4 KeyIn3 KeyIn2 KeyIn1 KeyOut1 KeyOut2 KeyOut3 KeyOut4 +5 C14 20p 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 D5 USB-RX USB-TX CON8 C3 0.1uF 4148 1 2 3 4 5 DP 6 DM 7 8 9 10 J4 J6 U1 CKO ACT# TXD RXD V3 UD+ UDGND XI XO CH340T NOS# VCC R232 NC RTS# DTR# DCD# RI# DSR# CTS# 20 19 18 17 16 15 14 13 12 11 +5IN S C4 0.1uF S 5 J3 VCC DD+ GND USB-B 6 1 1 2 3 4 R34 1K DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 10 9 8 5 4 2 3 7 +5IN 2 C16 + 470u LED1 LED 1 6 1 6 1 6 1 6 1 6 1 com com com com com com com com com com com DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 10 9 8 5 4 2 3 7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 10 9 8 5 4 2 3 7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 10 9 8 5 4 2 3 7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 10 9 8 5 4 2 3 7 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 +5 +5 DB_0 DB_1 DB_2 DB_3 DB_4 DB_5 DB_6 DB_7 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K +5 1 19 2 3 4 5 6 7 8 9 U2 A1 A2 A3 A4 A5 A6 A7 A8 DIR OE 74HC245 B1 B2 B3 B4 B5 B6 B7 B8 VCC GND 18R18 17R19 16R20 15R21 14R22 13R23 12R24 11R25 20 10 C20 0.1uF LEDC2 U3 1 2 3 4 5 6 16 8 A0 A1 A2 E1 E2 E3 VCC GND U4 MC3 P1.3 1 2 3 4 5 6 16 8 A0 A1 A2 E1 E2 E3 VCC GND 74HC138 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 15 14 13 12 11 10 9 7 LEDS0 LEDS1 LEDS2 LEDS3 LEDS4 LEDS5 LEDS6 LEDC3 330 330 330 330 330 330 330 330 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 +5 LEDC0 R40 1K Q10 9012 Q16 9012 R47 1K LEDS6 10 9 8 5 4 2 3 7 com 6 LEDS5 R37 1K Q7 LEDS4 9012 R38 1K Q8 LEDS3 9012 R39 1K Q9 LEDS2 9012 R44 1K Q14 LEDS1 9012 R45 1K Q15 LEDS0 9012 R46 1K Q17 9012