1

1

2

2

3

3

4

4

D

D

C

C

B

B

A

A

Title

Number

Revision

Size

A4

Date:

2004-09-22

Sheet of

File:

C:\Elektronika\splitter\hw\card.SCHDOC

Drawn By:

RA0

17

RA1

18

RA2

1

RA3

2

RA4/T0CKI

3

RB0/INT

6

RB1

7

RB2

8

RB3

9

RB4

10

RB5

11

RB6

12

RB7

13

VSS

5

MCLR

4

OSC1/CLKI

16

OSC2/CLKO

15

VDD

14

U1

PIC16C84-04/P

2

3

4

VCC

8

1

6

7

GND

5

D

R

A

B

U2

MAX485

VCC

VCC

VCC

120

R1

VCC

1

RST

2

CLK

3

RFU

4

GND

5

VPP

6

I/O

7

RFU

8

JP2

CHIP card pad

1

2

JP1

Header 2

Waldo

LED1

LED2

LED3

1K

R2

1K

R3

1K

R4

VCC