51开发板原理图

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 R42 1K 15 14 13 12 11 10 9 7 LEDS0 LEDS1 LEDS2 LEDS3 LEDS4 LEDS5 LEDS6 Q12 9012 330 330 330 330 330 330 330 330 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 Q16 9012 R47 1K LEDS6
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 2 1 +5IN C15 20p C3 0.1uF C4 0.1uF C5 0.1uF C6 0.1uF USB-TX TXD UART-TX J2 1 3 5 UART 2 4 6 USB-RX RXD UART-RX PWR J10 R35 1K C19 + 100u C10 0.1uF LED10 LED 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 J4 J6 R73 10K D5 USB-RX U1 4148 +5IN CON8 USB-TX 1 2 3 4 5 6 7 8 9 10 11 12 13 14 TXD DTR_N RTS_N VDD_232 RXD RI_N GND VDD DSR_N DCD_N CTS_N SHTD_N EE_CLK EE_DATA PL2303 OSC2 OSC1 PLL_TEST GND_PLL VDD_PLL LD_M ODE TRI_M ODE GND VDD RESET GND_3V3 VDD_3V3 DM DP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 C12 20p S Y1 12MHz C13 20p +5IN 4.7K R8 4.7K R9 +5IN +5IN 6 S 5 J3 VCC DD+ GND USB-B 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 + 100u LED1 LED 1 6 1 6 1 6 LEDS5 R37 1K Q7 LEDS4 9012 R38 1K Q8 LEDS3 9012 R39 1K Q9
+5 R65 4.7K 1ware
Q22 9012
金沙滩工作室
http://www.kingst.org
A
R62 10K 3
J9
TP1
15
D4 4148
1 2
BZ1
+C31 R59 100u 12 18 11 phone
Buzzer
红外接收器
温度传感器
蜂鸣器
AD、DA电路
A J13 1 2 3 4 Display ADDR0 ADDR1 ADDR2 ADDR3 P1 J14 1 2 3 4 P1.0 P1.1 P1.2 P1.3 J15 1 2 3 4 Motor MC0 MC1 MC2 MC3 +5 C17 + C18 + 100u 100u C8 C9 C30 C29 +5 Title
ቤተ መጻሕፍቲ ባይዱ
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
10 9 8 5 4 2 3 7
a b com com a c d f b g e f e c d g dp dp DS2 LED-7SEG
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 +5
10 9 8 5 4 2 3 7
LEDC5
R49 1K
Q19 9012
1 7 2
单片机复位及编程电路
LEDC6
R50 1K
Q20 9012
5
矩阵按键电路
RS232串口电路
LEDC7
R51 1K
Q21 9012
LED显示、及其驱动电路
虾 米 Ｉ 代 虾 头 Ⅰ
B
虾米Ｉ代 代
R67 1K 1 2 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 13 DB_6 DB_7 14 15 +5 16 +5 +5 1
R27 R28 R29 R30
R43 1K
B
C
A
D
F
9 14 Q18 9012 8 12
1 2 3 4 5 6 7 8 LD1 LED-8*8 C
LEDC4
R48 1K
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
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
10 9 8 5 4 2 3 7
a b com com a c d f b g e f e c d g dp dp DS4 LED-7SEG
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
10 9 8 5 4 2 3 7
a b com com a c d f b g e f e c d g dp dp DS3 LED-7SEG +5
LCD1 GND VCC VO RS WR E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BG VCC BG GND
In Doing We Learn!
R54 1K
+5
H
E
Q13 9012
6
16 DB7
+5
R10 R11 R12 R13 R14 R15 R16 R17
USB供电电路
+5 8 LCD2 DB_0 DB_1 DB_2 DB_3 DB_4 DB_5 DB_6 DB_7 +5 R71 +5 10K ENLCD2 C27 ADDR0 ADDR1 0.1uFADDR2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LCD12864 +5 R68 10K ENLCD2 ENLCD ENLCD1 R72 C24 0.1uF 4 7 J8 3 2 1 LCD_CS
B
R56 1K
Q5 9012
LCD1602
Y3 32.768K
3
液晶接口
I2C接口、EEPROM及时钟
步进电机
+5 R66 10K +5 U9 3 2 1 VDD DQ GND DS18B20 BUZZ R52 1K
TP2 2
U6 14 1 2 3 4 Vref AIN0 AIN1 AIN2 AIN3 AOUT EXT OSC PCF8591 SDA SCL A0 A1 A2 VSS VDD AGND 9 SDA 10 SCL U10 5 6 7 8 16 13 +5 C28 +5 0.1uF VDD GND OUT HS0038 3 2 1 R69 22 +5 C26 0.1uF R70 10K IRD
USB接口电路
CON8
a b com com a c d f b g e f e c d g dp dp DS6 LED-7SEG
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
10 9 8 5 4 2 3 7
a b com com a c d f b g e f e c d g dp dp DS5 LED-7SEG
a b com com a c d f b g e f e c d g dp dp DS1 LED-7SEG
D
USB－UART转换电路
+5IN +5
U2 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 A1 A2 A3 A4 A5 A6 A7 A8 DIR OE
KeyOut4 KeyOut3 KeyOut2 KeyOut1 K1 KEY KeyIn1 K2 KEY KeyIn2 C KeyIn3 K4 KEY KeyIn4 K8 KEY K12 KEY K16 KEY K3 KEY K7 KEY K11 KEY K15 KEY RS-232 K6 KEY K10 KEY K14 KEY K5 KEY K9 KEY K13 R1 R2 R3 R4 KEY +5 4.7K 4.7K 4.7K 4.7K +5
U7 VCC GND WP 24C01 SCL SDA U8 8 4 2 Vcc1 GND X1 X2 DS1302 Vcc2 SCLK I/O CE 1 7 6 5 4.7K R63 +5 4.7K R64 +5 C25 SCK SIO S1302 0.1uF MC3 MC2 R55 1K Q4 9012 A0 A1 A2 SCL SDA 6 5 1 2 3 MC1 SCL SDA MC0 R53 1K Q2 9012 +5 Q3 9012 J12 1 2 3 4 5 m otor
LEDC0
R40 1K
Q10 9012 LED2 LED3 LED DB1 DB2 LED4 LED DB3 LED5 LED DB4
LED6 LED DB5
LED7 LED DB6
LED8 LED DB7
LED9 LED
单片机电路
LEDC1 +5
R41 1K
Q11 9012 DB0
LED
USB电源去耦及UART切换电路
74HC138 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 LEDC3
3
4
+5 Q1 J1 1 6 2 7 3 8 4 9 5 9012 PC-RX PC-TX C1 4148 D1 R32 1K D2 4148 Q6 9013 D3 4148 0.1uF R6 4.7K R7 4.7K UART-RX R36 10K +5 UART-TX K17 C11 0.1uF RESET R60 18 R31 4.7K P1.0 P1.1 RST J11 1 3 STC PRO 2 4 ADDR0 ADDR1 ADDR2 ADDR3
4.7K 4.7K 4.7K 4.7K
13 DB0
DB1
DB2
10 DB3
DB4
11 DB5
15 DB6 G
U3 1 2 3 ENLED +5 C22 0.1uF 4 5 6 16 8 A0 A1 A2 E1 E2 E3 VCC GND U4 1 2 3 ENLED +5 C23 0.1uF 4 5 6 16 8 A0 A1 A2 E1 E2 E3 VCC GND
+5
F1
DM FUSE DP
LEDS2 9012
R44 1K 1 6
Q14 LEDS1 9012
R45 1K 1 6
Q15 LEDS0 9012
R46 1K 1 6
Q17 9012
CON8
D J5
+5IN J7
+5IN 4.7K R5 CON8 4.7K R26
C2 0.1uF 1K R33 DP DM DP 18 R57 18 R58