单片机核心板

C6
TXD RXD
GNDLeabharlann Baidu
DS4 DS5 DS6 11 7 4 2 1 10 5 3
GND
串行通讯接口
1 2 3 4 5 6 7 8
L5
L6
发光二极管模块
10位串行A/D转换
GND
VCC U3 ADIN ADCLK DACS A GND 8 1 2 3 5 TLC5617 6 7 4 GND REF+ J4 1 2 3 +5V 10k R4
+5V J2 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
GND
+5V
C9 22p
X2 JZ2
电源
C10 22p GND
X1
U1 P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 RESET P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 XTAL2 XTAL1 Vss 8051 Vcc P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 EA ALE PSEN P2.7 P2.6 P2.5 P2.4 P2.3 P2.2 P2.1 P2.0
1
2
3
4
5
6
7 +5V
8
J1 P0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 6 7 8 +5V S1 D2 C11 10u RST R2 5k1 D
GND U11 C1 D J2 GND D+ DVBUS USB F1 JZ1 C3 D1 GND VCC R1 330 L9 GND 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 GND 4 3 2 1 C2 RXD TXD 1 2 3 4 5 6 7 8 9 10 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 VCC C4 LCLK SCLK RCLK SER KEY1 KEY2 KEY3 KEY4 RXD TXD SND ADOUT ADIN ADCLK ADCS DACS 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 SWD2 SWD1 16 15 14 13 12 11 10 9 16 15 14 13 12 11 10 9 GND 1 2 3 4 5 6 7 8 RST 9 10 11 12 13 14 15 16 17 X2 18 X1 19 20
CPU系统
P1 P3 P2 C L1 VCC C5 J1 11 10 1 6 2 7 3 8 4 9 5 1 3 4 5 13 14 8 7 U2 C1+ C1C2+ C2T1IO TIOO T2IO T2OO MAX232 Vcc C3+ C4+ GND T1I T1O T2I T2O 16 2 6 15 11 12 10 9 C7 L2 C8 DS1 DS2 DS3 LED1 12 9 8 LED2 12 9 8 U9 P00 P01 P02 P03 P04 P05 P06 P07 GND +5V U4 SER J5 B 1 2 3 CON3 1 2 3 4 5 6 7 8 9 10 AIN0 AIN1 AIN2 AIN3 AIN4 AIN5 AIN6 AIN7 AIN8 GND VCC 20 EOC 19 I/O CLOCK 18 DATA INPUT 17 DATA OUT 16 15 CS TLC1543 REF+ 14 REF- 13 AIN10 12 AIN9 11 ADCLK ADIN ADOUT ADCS REF+ Q7 S2 S P GND U7 2 3 4 5 6 7 8 9 1 11 SCLK D0 D1 D2 D3 D4 D5 D6 D7 OE CLK 574 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 19 18 17 16 15 14 13 12 SCLK 11 10 +5V +5V R3 10k RCLK 12 13 14 U5 SER SRCLK SRCLR RCLK E 595 O0 O1 O2 O3 O4 O5 O6 O7 15 1 2 3 4 5 6 7 9 SCLK +5V RCLK 1 2 3 4 5 6 7 8 14 11 10 12 13 RP3 16 15 14 13 12 11 10 9 U6 SER SRCLK SRCLR RCLK E 595 O0 O1 O2 O3 O4 O5 O6 O7 Q7 U8 P00 P01 P02 P03 P04 P05 2 3 4 5 6 7 8 9 1 11 D0 D1 D2 D3 D4 D5 D6 D7 OE CLK 574 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 19 18 17 16 15 14 13 12 15 1 2 3 4 5 6 7 9 GND 1 2 3 4 5 6 7 8 U10 IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7 COMMON 2003 BELL K2 KEY2 K3 KEY3 K4 KEY4 OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 CLAMP 16 15 14 13 12 11 10 9 DS1 DS2 DS3 DS4 DS5 DS6 +5V KEY1 LCLK 2 3 4 5 6 7 8 9 1 11 D0 D1 D2 D3 D4 D5 D6 D7 OE CLK 574 L7 B L8 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 19 18 17 16 15 14 13 12 11 7 4 2 1 10 5 3 L4 +5V L3 RP2 1 2 3 4 5 6 7 8 9 C
P00 P01 P02 P03 P04 P05 P06 P07
K1
VCC REFIN DIN CLK OUTB /CS GND OUTA
A GND
RCLK
按键单元
10位串行D/A转换
动态数码管显示模块
1 2 3 4 5 6 7 8