ISIS Professional - C:\ProgPic\16F84\PICPAR~1\PicP2 ... - Etronics

RA4/T0CKI. 3. OSC2/CLKOUT. 15. MCLR. 4. U1. PIC16F84A. SCK. 6. SDA. 5. WP. 7. A0. 1. A1. 2. A2. 3. U3. 24LC256. GND. X1. 4Mhz. C1. 10uF. C2. 100nF. C3.
59KB taille 5 téléchargements 245 vues
VCC

VCC

U3 6 5 7

R20 C3

R21

R23

R22

10k

10k

10k

U1

18pF

X1

16 15

4Mhz

C4

OSC1/CLKIN OSC2/CLKOUT

4

MCLR

18pF

GND

PIC16F84A

Puce musicale 2 sons

U4 6 5 7

20k

R2

SCK SDA WP

A0 A1 A2

1 2 3

24LC256

20k

R11 10k

R3 20k

GND

R12

2

4

BP1

BP2

10k

R4 20k

R13

ETRONICS 12/2003

10k

U5

R5

U2 7805

20k

1

78xx

3

R14

3

10k

2

C7 220uF

20k +9V

4 Ohms

LM386

R15

VCC VDD

10k

D1

R7 20k

C1

C2

10uF

100nF

R16 10k

R8 20k

C6

R17 10k

GND

HP

5

R6

POS v REG

1N4001

1 2 3

24LC256

R19

R1

6 7 8 9 10 11 12 13

RB0/INT RB1 RB2 RB3 RB4 RB5 RB6 RB7

A0 A1 A2

4.7k

17 18 1 2 3

RA0 RA1 RA2 RA3 RA4/T0CKI

4.7k

SCK SDA WP

R9

R18

20k

10k

R10 20k

220nF

C5 10nF

P1 10k