自制51单片机开发板原理图

C6 Biblioteka Baidu0p
D1
1
10UF/50V 10UF/50V
数 码 管
DB0 11 DB1 7 DB2 4 DB3 2 DB4 1 DB5 10 DB6 5 DB7 3 W4 6 W3 8 W2 9 W1 12 7SEG-A D4 D3 D2 D1 A B C D E F G H
GND +5V V0 RS RW E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 +5V GND +5V R16 100 D4 R19 100 D5 B LED1 1 2 3 4 R14 1 2 3 4 P9 1 2 3 4 5 P10 1 2 3 P11 D3 R13 100 IN2 IN3 C12 104 C13 104 IN0 IN1 U15 VCC DAT DAT GND 18 17 16 15 14 13 12 11 10
串转并 独立按键
K4 K5 K6 1 2 3 4 P12
A0 VCC A1 VT A2 OSC1 A3 OSC2 A4 Din A5 D5 A6 D4 A7 D3 GND D2 2272
接收
PCF8591 AD/DA 转换
+5V U11 16 VCC 14 Vref 13 AGND 12 EXT 5 A0 6 A1 7 A2 8 GND PCF8591 SCL SDA IN0 IN1 IN2 IN3 Aout OSD 10 9 1 2 3 4 15 11 SCL SDA IN0 IN1 IN2 IN3 Aout GND IN0 IN1 IN2 IN3 C10 104 C11 104 C
U13
EEPROM
8 7 6 SCL 5 SDA
+5V R17 10K 10K R18 100
R1 10UF K1 10K
C4 12M C5 30p 30p
A0 VCC A1 HOLD A2 CLK GND DATA EEPROM U14
时钟、复位
DS1302
红外接收头
1838
1K
VCC GND IO
9 10 11 12 13 14 15 16 17 18 19 20
P0.0 P0.1 P0.2 P0.3 P0.4 AT89S5X P0.5 P0.6 RST/VPD P0.7 P3.0/RXD EA/VPP P3.1/TXD P3.2/INT0 ALE/PROG P3.3/INT1 PSEN P3.4/T0 P3.5/T1 P2.7 P3.6/WR P2.6 P3.7/RD P2.5 P2.4 XTAL2 P2.3 XTAL1 P2.2 P2.1 Gnd P2.0 STC89CXX/AT89SXX
U5 DB1 1 6 2 SCK 7 3 NESCS 8 4 MISO 9 +5V 5 NES
bluetooth +5V U6 1 2 3 4 5 6 7 8 P2 15 1 2 3 4 5 6 7 DA DB DC DD DE DF DG DH VCC MR SI RCK SCK DH G GND 16 10 14 12 11 9 13 8 MOSI CE SCK MISO 595_CS P4 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 X2 X1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
2.4G无线
U2 IRQ MOSI MISO SCK CSN CE VCC GND 24L01 8 IRQ 7 MOSI 6 MISO 5 SCK 4 2.4_CS 3 CE 2 +3.3V 1
C
R4 R5 R6 R7
MISO 100 SCK C7 100 MOSI 100 SD_CS 104 100
R2 R3
1 100 TXD 2 RXD 3 100 4 2 4 6 P1 +5V R9 100
K3 AN88 1 2 3 P3 2 C9 +3.3V
1 3 C8 IN OUT G 117
RST RXD P3.0 TXD P3.1 MOSI P3.2 IRQ P3.3 595_CS P3.4 MISO P3.5 CE P3.6 2.4_CS P3.7 X2 X1
39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7
DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7
R12
+5V ALE PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0 W1 W2 W3 W4 E RW RS U10
1
2
3
4
5
6
7
8
A
A
1 3 5
U1 VCC DD+ GND USB 1 2 3 4 16 6 5 4 C3 104 1 9 14 8 C2 30p
U3 VCC UD- RXD UD+ TXD V3.3 RS232 DTR# GND DCD# CTS# RI# RTS# DSR# X0 X1 CH340G 1 2 Y2 12M 3 2 15 13 12 11 10 7
+5V
+5V
LCD1
LCD1602
LCD1602 LCD 1602
D
Title Size A3 Date: File: 1 2 3 4 5 6 2015/6/8 Sheet of F:\毕业项目\45、自制51开发板\原理图 Drawn \开发板 By:.SchDoc 7 8 Number Revision
X2 1 Y1 2
X1
温度传感器 （DS18B20）
+5V U7 VCC OUT GND DS18B20 R11 3 10K 2 P2.0 1 32768 Y3
时钟芯片（ DS1302）
D2 U9 1 2 3 4 +5V 8 B1 7 SCK 6 IO 5 RES J1 1 2 CON2 Vcc2 Vcc1 X1 SCLK X2 I/O GNDRES 1 2 3 4
KEY RX TX 5V 3.3V GND
IRQ KEY
MCU主控
电源、 IO扩展
P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RST P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 X2 X1 P5 +5V 1 P0.0 3 P0.1 5 P0.2 7 P0.3 9 P0.4 11 P0.5 13 P0.6 15 P0.7 17 +5V 19 ALE 21 PSEN 23 P2.7 25 P2.6 27 P2.5 29 P2.4 31 P2.3 33 P2.2 35 P2.1 37 P2.0 39 +5V 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 +5V 1 P0.0 2 P0.1 3 P0.2 4 P0.3 P0.4 +3.3V P6 P0.5 P0.6 1 P0.7 2 +5V 3 ALE 4 PSEN P7 P2.7 P2.6 1 P2.5 2 P2.4 3 P2.3 4 P2.2 P2.1 P8 P2.0
SD卡
R8 +5V Com 1 2 3 4 5 6 7 8 9 DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 1K R10 Com
K7
IDC20
IDC20
+5V C1
RST
+5V 1 2 3 4 5 6 7 8 9 P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0
U12 1 2 3 4 5 6 7 8 9
433M/315M 无线接收 +5V
1 2 3 4 5 6
+5V 3.3 2 4 TXD 6 K2 1 3 5 RXD
AN88
74HC595
nes手柄
U4
蓝牙
+3.3V VDD DAT2 DAT1 DAT0 CLK CMD CD/DAT3 VSS VSS NC NC NC SD_CARD 4 9 8 7 5 2 1 3 6 10 11 12
R15 +5V 3 2 1 P3.2
D
LED2
B
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 V0
GND VCC VO RS RW E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 BG VCC BG GND
USB转TTL下载
U8 RES P1.0 IO P1.1 SCK P1.2 SDA P1.3 SCL P1.4 SD_CS P1.5 NESCS P1.6 P1.7 1 2 3 4 5 6 7 8 P1.0/T P1.1/T P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 Vcc 40