单片机开发板原理图-常见单片机模块电路图

SW2 SW-PB
VCC R34 0 EA
YELLOW LED5
串行信号转并行信号 74hc164
GREEN LED6 VCC 1 2 3 CON2 8 VCC 9 CLK MR 74HC164
GREEN LED7 J48 RED LED8 1 CON1 R36 10k J10 2 1 CON2 RED
R17 10K
2路 温度传感器 矩阵键盘 带中断 独立按键
U2 74HC573 OC C 1D 2D 3D 4D 5D 6D 7D 8D U3 74HC573 OC C 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q
段锁存
19 18 17 16 15 14 13 12 PDS1 11 PDS2 7 PDS3 4 PDS4 2 PDS5 1 PDS6 10 PDS7 5 PDS8 3
数模/模数转换芯片
VCC
CV T1O R1I
U14 2 14 13 7 8 4 5 6
C1 104
外接电源接口 USB供电
VCC 1 2 3 C11 104 4 TXD 5 6 7 VCCIN 8 9 10 11 12 13 14 RXD U20 TXD DTR_N RTS_N VDD_232 RXD RI_IN GND VDD DSR_N DCD_N CTS_N SHTD_N EE_CLK EE_DATA PL2303HX C12 104 R32 1.5K OSC2 OSC1 PLL_TEST GND_PLL VDD_PLL LD_MODE TRI_MODE GND VDD RESET GND_3V3 VDD_3V3 DM DP 28 27 26 25 24 23 22 21 20 19 18 17 16 15 Y2 12M C13 22P
C 本电路应用于指定型号产品，如有任何更新，dofly不另行通知用户。 如果用户发现产品与该电路不符，须以最终以产品为准，请到销售商 处索取对应更新资料！ 请备份该资料并妥善保存，因意外导致损坏或丢失本公司不负任何
光敏和热敏电阻
VCC C R10 10K R11 10K J7 1 2 CON2 NTC NTC1 RG1 RG
位锁存
19 18 17 16 15 14 13 12 SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8
1602液晶插座及对比度调节
12864液晶插针及对比度调节
独立共阳数码管
6路反相器 CD4069
VCC RP1 1 2 3 4 5 6 7 8 9 390 YELLOW LED4
输入电压7-12V 集成usb转串口芯片
C10 10uF DC PORT
2
VCC SW1 SW-PB C3 10u
PS2插口
J27 CON2 1 2
2路红外发射（38K调制）
U16 1 2 3 VCC R35 100 IR1308 VCC C16 104 RL1 5V
R21 10K
C6 104
10K
K1 SW-PB K2 SW-PB K3 SW-PB K4 VCC J31 JMP3 3 2 W3 10K W4 10K 1 3 2 1 J32 JMP3 1 2 3 4 5 6 7 8 U18 AIN0 AIN1 AIN2 AIN3 A0 A1 A2 GND PCF8591 VCC AOUT Vref AGND EXT OSD SCL SDA 16 15 14 13 12 11 10 9 VCC J33 CON2源自文库1 2 POWER SWITCH VCC SW3 VCCIN DD+ VCC C8 104 C9 470u/16V USB1 1 2 3 4 USB JACK RED LED10 R29 390
11 12 10 9 1 C2 104 3
T1I R1O T2I R2O C1+ C1-
S5
S8
S11
S14
T2O R2I C2+ TC232 GND C2CG
LED LED9 R26 10K SCL SDA
C14 22P
R27 10K
R28 390
可选配自动下载模块
15
电源插针
TEMP1 TEMP1 J35 5 4 3 2 1 CON5 VCC J36 5 4 3 2 1 CON5
VCC VCC 16 1 6 2 7 3 8 4 9 5 DB9 J20 S6 C4 104 C5 104 S9 S12 S15 SW-PB K5 J24 1 6 2 7 3 8 4 9 5 DB9 J21 S7 S10 S13 S16 1 2 3 4 5 6 7 8 CON8 J25 1 CON1 B 6 5 U17A J29 RESET J22 J19 JMP3 VCC R22 1K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CON8 P10 P11 P12 P13 P14 MOSI P15 MISO P16 SCK P17 RESET RXD P30 TXD P31 P32 P33 P34 P35 P36 P37 X1 X2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1 3 U15 VCC P00 P01 P02 P03 P04 P05 P06 P07 EA P27 P26 P25 P24 P23 P22 P21 P20 J23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CON8 RP2 VCC 1 2 P00 3 P01 4 P02 5 P03 6 P04 7 P05 8 P06 9 P07 VCC PS2 PS2_F 4 3 1 2 CON2 2 1 C7 222 1 CD40106 R23 16K 5 CD40106 2 3 CD40106 U17C 6 IR U17B 4 IR IR2 1K R25 IR1 1K R24 U17D 8 CD40106 U17E 10 CD40106 11 9 J34 1 2 CON2 J26 1 2 3 4 5 6 7 8 CON8 SW-PB K6 SW-PB K7 SW-PB K8 SW-PB R13 10k S1 R14 10k S2 R15 10k S3 R16 10k S4
EEPROM AT24C02
VCC U7 1 2 3 4 A0 A1 A2 GND 24C02 VCC WP SCL SDA 8 7 6 5 SCL SDA J8 CON3 1 2 3
DS1302
备用电池
J4 1 2 3 VCC CON3 14 11 10 12 13 U5 SER SRCLK SRCLR RCLK E O0 O1 O2 O3 O4 O5 O6 O7 Q7 15 1 2 3 4 5 6 7 9 DIS1 QCON7 QCON6 QCON5 QCON4 15 1 2 3 4 5 6 7 9 1 2 3 4 5 6 7 8 9 10 11 12 SIP8H X 2 24 23 22 21 20 19 18 17 16 15 14 13 QCON0 QCON1 QCON2 QCON3 15 1 2 3 4 5 6 7 9 QCON0 QCON1 QCON2 QCON3 QCON4 QCON5 QCON6 QCON7
1
2
3
4
5
6
7
8
LCD2 LCD1602 J2 LCD1 LCD12864 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 1 CON2 VSS VCC V0 RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BLA BLK J3 1 2 3 4 5 6 7 8 CON8 1 11 W2 W1 10K 10K PA00 PA01 PA02 PA03 PA04 PA05 PA06 PA07 2 3 4 5 6 7 8 9 PA00 PA01 PA02 PA03 PA04 PA05 PA06 PA07 2 3 4 5 6 7 8 9 1 11
U12A 1 U12B CD4069 3 U12C CD4069 5 U12D CD4069 9 J14 1 2 3 4 5 6 11 U12F CD4069 13 CD4069 CON8 CON8 12 U12E CD4069 10 8 J15 1 2 3 4 5 6 6 4 J6 1 2 3 4 5 6 7 8 CON8 3 VCC 8 R1-R8 390 7 6 4 2 1 9 10 5 DS3 DPY_7-SEG_DP_2 DPY a a b c f b g d e e c d f dp g dp C C 2
3 2 1
VCCIN R30 R31 27 27 DD+
TXD
1 3 5
2 4 6
RXD
串口通讯
CON3X2
D1 IN4148
D2 IN4148
D3 IN4148
D4 IN4148
GND RXD NC TXD VCCINa NC VCCIN
J18
电源指示灯
B
6 7 8 9 TXD RXD U19 LM7805T 3 +5V GND Vin 1 J38
8个LED灯
LED1 J9 1 2 3 4 5 6 7 8 CON8 A1 A A2 A A3 A A4 VCC A 1 2 3 4 Y1 32768Hz U10 VCC2 VCC1 X1 SCLK X2 I/O GND RST DS1302 R18 R19 R20 10K 10K 10K VCC 74HC595 J5 U4 1 2 3 CON3 VCC 14 11 10 12 13 1 2 3 1 2 3 J11 U11 1 2 A B Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 3 4 5 6 10 11 12 13 J12 1 2 3 4 5 6 7 8 CON8 74HC595 SER SRCLK SRCLR RCLK E O0 O1 O2 O3 O4 O5 O6 O7 Q7 U8 18B20 U9 18B20 8 7 6 5 CON3 1 2 3 J13 BT1 BATTERY
8位共阴数码管
LG3641 DS1 DPY DPY a a a a b b c f c f b b g g d d e e c d f dp g dp com 12 e e c d f dp g dp com 9 DPY a a b c f b g d e e c d f dp g dp com 8 DPY a a b c f b g d e e c d f dp g dp com 6 PDS1 11 PDS2 7 PDS3 4 PDS4 2 PDS5 1 PDS6 10 PDS7 5 PDS8 3 LG3641 DS2 DPY DPY a a a a b b c f c f b b g g d d e e c d f dp g dp com 12 e e c d f dp g dp com 9 DPY a a b c f b g d e e c d f dp g dp com 8 DPY a a b c f b g d e e c d f dp g dp com 6
DOFLY
品 型 名：单片机开发板 号：LY-51S
WHITE LED2
WHITE LED3
四周固定螺孔
双色点阵
U6 O0 O1 O2 O3 O4 O5 O6 O7 Q7 74HC595 SER SRCLK SRCLR RCLK E 14 11 10 12 VCC 13
版本号：V2.0 DOFLY品牌 上海朗译电子科技制造 技术论坛：www.doflye.net
D
D
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
VCC P24 P25 P26 P00 P01 P02 P03 P04 P05 P06 P07 P21 P22 P23
VCC
VCC P24 P25 P26 P00 P01 P02 P03 P04 P05 P06 P07
VCC