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Number. Revision. Size. A3. Date: 22/07/2010. Sheet of. File: Z:\Electronic\..\Compteur.SchDoc. Drawn By: R3. 1.2k. D3. 1N4148. 1. 2. T3. Header 2. NC. 1. +. 2.
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1

2

U1

2

330

D3 1N4148

NC + NC

Header 2

Vcc Vb Vo GND

1.2k 2 1

D4 1N4148

1 2 3 4

NC + NC

Header 2

T5

1.2k 2 1

D5 1N4148

1 2 3 4

NC + NC

Header 2

1.2k 2 1

D6 1N4148

1 2 3 4

NC + NC

T7

1.2k 2 1

D7 1N4148

1 2 3 4

NC + NC

Header 2

T8

1.2k 2 1

D8 1N4148

1 2 3 4

NC + NC

4

U14B

RA5 1

5 6

1 2 3 4 5 6 7 8

VCC TX

GND

R18 10k

16 15 14 13 12 11 10 9

A1 VCC B1 R CLR1 C Q1 Q1 Q2 Q2 C CLR2 R B2 GND A2

9

B

J3 VPP

1 2 3 4 5 6

VCC GND RB7 RB6

J4 ICD Power

VCC

U14C 8

VCC

R16

12

330

U14D 11

R27

VCC

1 2 3 4 5 6 7 8 9

RA0 RA1 RA2 RA3 RA4 RS E RW

SN74LS132N

13

ISP

R26

VCC 4.7k S6

1 2 3 4 5 6 7 8 9

RB0 RB1 RB2 RB3 RB4 RB5

10k

R22

GND

U12

RST

RA0 RA1 RA2 RA3 RA4 RA5 RS E RW VCC GND

10k

SN74LS132N VCC

RS E RB1 RB3 RB5 RB7 R28 2.2k

VCC

GND

C2 10nF GND

C3 1

GND RD0 RD1

330n

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

MCLR RA0 RA1 RA2 RA3 RA4 RA5 RE0 RE1 RE2 VDD VSS OSC1 OSC2 RC0 RC1 RC2 Vusb RD0 RD1

RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0 VDD VSS RD7 RD6 RD5 RD4 RX TX D+ DRD3 RD2

40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21

RB7 RB6 RB5 RB4 RB3 RB2 RB1 RB0 VCC GND RD7 RD6 RD5 RD4 RXPic D+ DRD3 RD2

C13 20pF

RW RB0 RB2 RB4 RB6

GND

D

R23 330

D

P1

Title

GND 9 8 7 6 5 4 3 2 1

10k

VCC

Size

Number

Revision

A3 Date: File:

R25 470 1

2

3

C

16F877/18F4550 C12 20pF

GND

GND

Y1

4MHz

LCD1 LCD

1 3 5 7 9 11 13 15

1 2

2

VCC 2 4 6 8 10 12 14 16

RD7

RD6 1 2

1 2

1 2

1 2

1 2

1 2

VCC

USB

VPP

GND

RD5

RD4

RD3

RD2

RD1

RD0 1 2

D+ D-

C1 10nF

74LS123

VCC

10

6n138

U10 U?

VCC GND GND

R17 10k

SN74LS132N

GND

Vcc Vb Vo GND

Z Z

16 8

6

330

8 7 6 5

VCC GND

GND 4 3 2 1

VCC

R15

8 7 6 5

RS232

VCC

VCC

9 8 7 6 5 4 3 2 1

Header 2

VCC

5

U8

R8

SN74LS132N

GND

Vcc Vb Vo GND

U14A 3

330

6n138

C

1

R14

8 7 6 5

VCC

MAX233

74LS151

I0 I1 I2 I3 I4 I5 I6 I7

2

U7

R7

4 3 2 1 15 14 13 12

SN74LS132N

330

6n138

Header 2

U9 U?

VCC

GND

Vcc Vb Vo GND

GND

7

J2

U13D 11

R13

8 7 6 5

U6

R6

GND

13

6n138

T6

12

GND

Vcc Vb Vo GND

GND

11 15 16 10

C2+ C2+ C2C2-

A

VCC

330

U5

R5

GND

5 18 4 19

T1Out T2Out R1In R2In

SN74LS132N R12

8 7 6 5

6n138

B

U13C 8

GND

Vcc Vb Vo GND

R29 470

10

U4

R4

9

330

6n138

T4

VCC

R11

8 7 6 5

4.7k R24 470

T1In T2In R1Out R2out C1+ C1VVV+ GND GND

2 1

2 1

1 2 3 4

R20 VCC

S0 S1 S2 E

1.2k

2 1 3 20 8 13 12 17 14 9 6

RX

SN74LS132N

1 6 2 7 3 8 4 9 5

U11

4.7k

6

GND

U3

R3 T3

U13B

5

6n138

J1

VCC TX

4

RXPic

R19

VCC

R10

8 7 6 5

4 3

Option SN74LS132N

11 10 9 7

Header 2

Vcc Vb Vo GND

1 2

RA0 RA1 RA2 RA3

D2 1N4148

NC + NC

TX RX

2

1.2k 2 1

1 2 3 4

U13A 3

GND

U2

R2 T2

6

P2 1

330

6n138

A

5

VCC

R9

8 7 6 5

RA4

Header 2

Vcc Vb Vo GND

1

D1 1N4148

NC + NC

2

1.2k 2 1

1 2 3 4

4

9 8 7 6 5 4 3 2 1

R1 T1

3

4

22/07/2010 Z:\Electronic\..\Compteur.SchDoc 5

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