超声波测距仪原理图

RN2 10K
RN1 10K
CS_F SIMO_F SOMI_F CLK_F DO-DS18B20 TEST TXD_UART RXD_UART
28 29 30 31 32 33 34 35
P3.0/UCB0STE/UCA0CLK P3.1/UCB0SIMO/UCB0SDA P3.2/UCB0SOMI/UCB0SCL P3.3/UCB0CLK/UCA0STE P3.4/UCA0TXD/UCA0SIMO P3.5/UCA0RXD/UCA0SOMI P3.6/UCA1TXD/UCA1SIMO P3.7/UCA1RXD/UCA1SOMI
C34 22pF X3 12MHz C37 22pF D6 RED
U12 SST25VF032
CS_F SOMI_F
3.3V 8 7 6 5 C36 10uF C35 0.1uF 3.3V C39 1uF C38 0.1uF
3.3V
1 2 3 4
CE VDD SO HOLD WP SCK GND SI
G ND X+ Y+ XYG ND V DD CS RS WR RD D0 D1 D2 D3 D4 D5 D6 D7 RST G ND LED 1+ LED 2+ NC LED K -
R17 VDD 1.5K
UDUD+
USB
1 2 3
3.3V R19 4.7K
DO-DS18B20
D
* * * * Date: 2012-11-3 Time: 下午 06:06:29Sheet 1 of 1 * File: F:\My Design\PCB Design\Altium Designer\超声波测距仪\超声波测距.SchDoc Title
9 8 11
7 10 V REF+ V eREF+
U5
RST/NM I TCK TM S TD I TD O /TD I X T2IN X T2O U T
5V
3.3V 2 C26 C27 0.1uF 10uF
5V 3 C22 C23 10uF 0.1uF
U7 AMS1117-2.5 Vin Vout
IR_S
12 13 14 15 16 17 18 19
P1.0/TACLK P1.1/TA0 P1.2/TA1 P1.3/TA2 P1.4/SMCLK P1.5/TA0 P1.6/TA1 P1.7/TA2
P2.7/TA0/CA7 P2.6/AD12CLK/CA6 P2.5/ROSC/CA5 P2.4/CA1/TA2 P2.3/CA0/TA1 P2.2/CAOUT/TA0/CA4 P2.1/TAINCLK/CA3 P2.0/ACLK/CA2
51 50 49 48 47 46 45 44
CS-LCD RD-LCD WR-LCD RS-LCD RST-LCD
R11 10K IR_S
C29 0.1uF
R10 200K
CS-TP SIMO-TP SOMI-TP CLK-TP IRQ-TP
V CC O UT C3 F0 G ND C2 C1 IN
GND
1 2 3 4 5 6 JTAG
U i_Sense
D0-LCD D1-LCD D2-LCD D3-LCD D4-LCD D5-LCD D6-LCD D7-LCD
TX_S TX_S
59 60 61 2 3 4 5 6
U10
1.8' TFT-LCD
Driver IC ST7735
C
GND 2.5V CS-LCD RS-LCD WR-LCD RD-LCD D0-LCD D1-LCD D2-LCD D3-LCD D4-LCD D5-LCD D6-LCD D7-LCD RST-LCD GND
5VБайду номын сангаас
S1 S2 S3 S4 S5 S6 C S7 S8 3V3 R13 330R D4 TXD RXD_UART 3V3 TXD_UART R14 330R
P2_0 P2_1 P2_2 P2_3 P2_4 P2_5 P2_6 P2_7
D3 TEST P1 TDO TDI TMS TCK
RST
36 37 38 39 40 41 42 43
27 26 25 24 23 22 21 20
P2_7 P2_6 P2_5 P2_4 P2_3 P2_2 P2_1 P2_0
U8 CX20106A B U9 8 7 6 5 4 3 2 1 1 2 C32 3.3uF R9 4.7R C33 1uF C30 47nF + RX
5V 3.3V
1
1
C31 330pF
TX_S
C2 C3 10uF 0.01uF
POWER
3 2 5
C1 0.01uF
D1 IN5819 R1 10K C4 4.7uF 3.3V 16 C6 0.1uF C7 1uF 2 6 C9 1uF 15 11 12 10 9
U2 MAX232 VCC V+ VGND C1+ C1C2+ C21 3 4 5 14 13 7 8 C5 1uF A
CLK_F SIMO_F
VDD C40 0.1uF R18 27R R20 27R 3V3
R16 1K C41 0.1uF 1 2 3 4 5 P2
U14 DS18B20 GND OUT VDD
D
3.3V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
1.8'TFT
GND
D5 RXD 1 2 3 4 5 6 7 8 9 10 11 12 13 14
U13 PL2303HX TXD OSC2 DTR_N OSC1 RTS_N PLL_TEST VDD_325 GND_A RXD NC RI_N GP1 GND GP0 NC GND DSR_N VDD_5 DCD_N NC CTS_N GND SHTD-N VO_3V3 EE_CLK DM EE_DATA DP 28 27 26 25 24 23 22 21 20 19 18 17 16 15
GND
X OU T/TCLK X IN V REF-/VeREF-
D V cc A V cc D V ss A V ss
2.5V 2 C28 C24 0.1uF 10uF
POWER
MSP430F247
3.3V
TEST R12 330R
P4.0/TB0 P4.1/TB1 P4.2/TB2 P4.3/TB3 P4.4/TB4 P4.5/TB5 P4.6/TB6 P4.7/TBCLK
超声波测距仪原理图
Number: *
Size: A3
Revision:V1.0
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GND
5V
U1 TPS5430 VIN NC NC ENA PH BOOT GND VSENSE 8 1 4 R2 3.3K L2 15uH D3.3V C10 12pF C12 0.01uF D2 IN5819 R3 10K C14 1500pF C13 10uF C17 10uF R7 5.9K C15 0.1uF C11 12pF X1 32.768KHz X2 8MHz TX_S
1
2
3
4
5
6
7
8
L1 22uH K1 VCC 7 SW-PWR A J1 2 1 Power IN U4 TPS5430 7 R4 100K Ui_Sense R6 33K C16 10uF 3 2 5 VIN NC NC ENA PH BOOT GND VSENSE 8 1 4 C19 150pF C20 0.1uF R8 560R U6 AMS1117-3.3 3 B C21 C25 10uF 0.1uF Vin Vout
6
C8 1uF U3 1 2 + TX
VCC
D3.3V
R5 100K GND
T-IN1 T-OUT1 R-OUT1 R-IN1 T-IN2 T-OUT2 R-OUT2 R-IN2
1 64 63 62
58 57 56 55 54 53 52
RST TCK TM S TD I TD O
6
C18 0.1uF
P5.7/TBOUTH/SVSOUT P5.6/ACLK P5.5/SMCLK P5.4/MCLK P5.3/UCB1CLK/UCA1STE P5.2/UCB1SOMI/UCB1SCL P5.1/UCB1SIMO/UCB1SDA P5.0/UCB1STE/UCA1CLK P6.0/A 0 P6.1/A 1 P6.2/A 2 P6.3/A 3 P6.4/A 4 P6.5/A 5 P6.6/A 6 P6.7/A 7