江苏省职业技能等级认定样题试卷样题简易示波器原理图广电和通信设备调试工3425.pptx

1

2

3

4

5

6

7

8

A

A

TP2

V1

TP1

TP3

AIN

C12

104

ADCIN

21

VSENSEL2

Y1

R1

CPLSEL

100K

1in+

1K

V-MON

C3

5pF

R2

44

1K

2M

32

C4

33

30pF

CPLSEL

R17

10K

5

GND

CPLSEL

DB0

DB1

AGND

DB2

C5

DB3

2pF

R4

DB5

2M

DB7

C6

104

30pF

PB9

LCD_NRD

LCD_NRESET

100K

PB12

C9

BTN2

104

BTN1

VSENSEL2

C16C17C18

104104

1.5K

3.3K

R24

AGND

B

B

+3V3

S4

BTN1

R34

R26

1K

BTN3

R35

10K

BTN4

GND

TP20

+9V

2

SS14C19

47uF

GND

+3V3

470R

D3

JP3

8

D2

D3

C

C

0R

GNDAGND

+9V

T1

L1

2N3906

VIVO

22uH

C24

R37

1mH/1A

10K

TP31

R38

1.5K

GND

V-MON

GND

A

T2

VGEN

9014

470R

104

R39

10K

GND

D

D

Title

Size

A3

Number

Revision

Date:2021/4/14

Sheetof

File:C:\Users\..\Sheet1.SchDoc

DrawnBy:

1

2

3

4

5

6

7

8

3in+

3in-

3out

SLIDE_8_2

LM324

PA0

PA1

PD1/OSCOUT

PA3

PA2

PA5

PA4

PD0/OSC-IN

PA6

PA7

PA9

BOOT0

PA8

PA12

PA11

PA10

PA13

PA14

NRST

PA15

PB0

PB1

VBAT

PB2

PB3

VDDA

PB4

PB5

PB6

PB7

VSSA

PB8

PB11

PB10

VDD1

PB13

PB14

PC13

PB15

PC15

PC14

LCD_NCS

LCD_RSLCD_NWR

VDD2

VDD3

VSS

VSS

VSS

1

2in-

2in+

IC2B

2out

+5V

AGND

104

1in-

1out

LCD_NCS1CS

LCD_RS2RS

LCD_NWR3WR LCD_NRD4RDLCD_NRESET5RES D0

D8DB115

D9DB216

D10DB317

D11DB418

D12DB519

D13DB620

D14DB721

D1522

GND23

BLK24

S

+

S

-

S

SEL

TESTSIGTRIG

SWDIOSWCLKLED

DC9V

10K

BTN2

TESTSIG

5

GND

6

7

D2

+9V

GND

3

J10

3

2

GND

INOUT

AMS1117-5.0