5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

D3

CS2

VO

D5

RST

D1

BL+

D7

D0

internal trigger input

E

D6

GND

D2

BL-

Frequency meter input

VEE

VCC

D4

R/W

BACKLIGHT

D/I

CS1

MODE VER

SLOPE

SEC/DIV

+

HOR

LEVEL

_ ENTER

>TEST SIGNAL>TRIGGER OUT>EXTERNAL TRIGGER

Drawn by Wichit Sirichote, kswichit@kmitl.ac.th

<Doc> 1

STUDENT SCOPE V1.0

B

1 2Sunday, May 04, 2014

Title

Size Document Number Rev

Date: Sheet of

LCD_CS2

PE1

LCD_WR

LCD_CS1

MISO_ISP

ROW2

LCD_D7

LCD_D4LCD_D3

LCD_DI

MOSI_ISP

LCD_D5

TESTSIGNAL

LCD_D5

VSENSEL1

RESET_ISP

ANALOG

VREF

LCD_DI

VGEN

ROW1

LCD_D7

ADCLK

ANALOG

RESET_ISP

COL1

LCD_D0

TESTSIGNAL

SCLK_ISP

COL2

LCD_E

LCD_D6

LCD_E

ROW3

LCD_D2

LCD_RES

LCD_D2

LCD_D4

VSENSEL2

LCD_CS2

LCD_D1LCD_D0

SCLK_ISP

PE0

ROW0

PD7

LCD_D3

LCD_RES

LCD_WR

MISO_ISP

LCD_D1

CPLSEL

LCD_CS1

COL0

LCD_D6

MOSI_ISP

COL1

VREF

COL0

ROW0

COL2

ROW1

ROW2

ROW3

COUNTER_IN

VPOS

CTR

ANALOG

VSEN1VSEN2

CPLSEL

TRIGGER

TXDRXD

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

+5V

IC1

ATmega64

1011121314151617

3536373839404142

2526272829303132

23456789

5455565758596061

4445464748495051

3334431819

64

62

20

1

24

23

2152225363

PB0 (SS)PB1 (SCK)

PB2 (MOSI)PB3 (MISO)PB4 (OC0)

PB5 (OC1A)PB6 (OC1B)

PB7 (OC2/OC1C)

PC0 (A8)PC1 (A9)

PC2 (A10)PC3 (A11)PC4 (A12)PC5 (A13)PC6 (A14)PC7 (A15)

(SCL/INT0) PD0(SDA/INT1) PD1(RxD1/INT2) PD2(TxD1/INT3) PD3(IC1) PD4(XCK1) PD5(T1) PD6(T2) PD7

(RxD0/PDI) PE0(TxD0/PDO) PE1(XCL0/AIN0) PE2(OC3A/AIN1) PE3(OC3B/INT4) PE4(OC3C/INT5) PE5(T3/INT6) PE6(IC3/INT7) PE7

(TDI/ADC7) PF7(TDO/ADC6) PF6(TMS/ADC5) PF5(TCK/ADC4) PF4(ADC3) PF3(ADC2) PF2(ADC1) PF1(ADC0) PF0

PA7 (AD7)PA6 (AD6)PA5 (AD5)PA4 (AD4)PA3 (AD3)PA2 (AD2)PA1 (AD1)PA0 (AD0)

(WR) PG0(RD) PG1(ALE) PG2(TOSC2) PG3(TOSC1) PG4

AVCC

AREF

RESET

PEN

XTAL1

XTAL2

VC

CV

CC

GN

DG

ND

GN

D

JF1

128x64GLCD CONNECTOR

123456789

1011121314151617181920

1234567891011121314151617181920

R8

1kC9680pF

S9

+ C710uF

TP1

VREF CAL

1

S10OPT

S3

R11

10

S1

R3470R5 1k

Y1

20MHz

J3

CON10AP

13579

246810

+++++

+++++

S4

R4470

C3100nF

S6

C11

22pF

C10 22pF

C4100nF

C6100nF

R6 100k

R1 120

S8

C2300pF

C1100nF

R7

2k

S2

R12

10k

13

2

S5

C5100nF

R910K

1 3

2

R2

1k

S7D1LM336-2.5V/SO

48

5

U1

TLC5510

19

1617

2322

141518

2021

3456789

10

1

12

1113

242

VIN

VRTSVRT

VRBVRBS

AVDDAVDDAVDD

AVSSAVSS

D0D1D2D3D4D5D6D7

OE

CLK

DVDDDVDD

DVSSDVSS

C8100nF

SW11 2

R104.7k

C12100nF

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

USB

FT232RL USB SERIAL ADAPTOR

TX

RX

Drawn by Wichit Sirichote, kswichit@kmitl.ac.th

<Doc> 1

USB interface

A

1 3Sunday, May 04, 2014

Title

Size Document Number Rev

Date: Sheet of

SHIELD

CBUS0

CBUS1

VCC3

VUSB

TXD

RXD

VCC5

VCC5

VCC5

U6

FT232RL

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

TXD

DTR#

RTS#

VCCIO

RXD

RI#

GND

VCC3I

DSR#

DCD#

CTS#

SLEEP#

GPIO2

GPIO3

OSCO

OSCI

TEST

AGND

AVCC

GPIO1

GPIO0

GND

VCC5I

RESET#

GND

VCC3O

USBDM

USBDP

C23100nF

CN1CN-USB

1234

5

C2510nF

FB1

PTC

1 2

D5

TVS5V_SOD123

C24100nF

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

0.1V

1V

DC coupling

GND

2V 5V

1V

AC

Frequency meter input

Battery connector

Drawn by Wichit Sirichote, kswichit@kmitl.ac.th

<Doc> 1

ANALOG FRONTEND

Custom

2 2Sunday, May 04, 2014

Title

Size Document Number Rev

Date: Sheet of

<Doc> <RevCode>

STUDENT SCOPE

Custom

2 2Sunday, May 04, 2014

Title

Size Document Number Rev

Date: Sheet of

CTRVSENSEL1

ANALOG

CTR

VSENSEL2

COUNTER

CTR

CPLSEL

COUNTER

COUNTER_IN

VPOSCTR

ANALOG

VSEN1 VSEN2CPLSEL

TRIGGER

TRIGGER

+VDC

+5V

-VDC

+VDC

+5V

-VDC

+5V

+VDC

+VDC

-VDC+5V

-VDC

+VDC

-VDC

-VDC

+VDC

+VDC

-VDC

+5V

D2

1N5225A

D3

1N4007

1 2

SW2SW SLIDE-DP3T

7 68

1 2 3 4

5

C14100nF

J6

+DC9-12V1

2R15

470 1%

R28

100k

R2610k

+

-

U2B

NE5532

5

67

84

U4LM117A/TO

3

1

4VIN

AD

J

VOUT/TAB

R32300

R31

10k

R30

3.3k

+ C2110uF

C19100nF

+ C2222uF

R23100 1%

R20

470 1%

+

-

U3C

TL084A

10

98

411

R21

10k

C28

100nF

R24249 1%

+

-

U2A

NE5532

3

21

84

+ C1610uF

+

-

U3B

TL084A

5

67

411

C26100nF

R16240 1%

R13 909k1%

TP2

500Hz Test Signal

1

J1

CON2

12

R25

10k

D7

TVS5VSOD123

C29

100nF

D4

1N5349A

R2710k

R22470 1%

R14100k1%

+

C15

10uF

C27100nF

U5

ICL7660S +12V PDIP

24

5

6

7

8

CAP+CAP-

VOUT

LV

OSC

VC

C

R18

499 1%

JS1

CONN SOCKET 6

123456

123456

R2910k

+C17

100uF

+

-

U3A

TL084A

3

21

411

R17150 1%

SW4 SW SLIDE-DP3T

7 68

1 2 3 4

5

SW3 SW SLIDE-DP3T

76 8

1234

5

C18100nF

R19

470 1%

C13

100nF 100V

+ C2022uF