parallel port usb interface 1 2 3 4 5 6 bcdaabcd

Nov 30, 2001 - PARALLEL PORT. USB INTERFACE. (c) David Freudenberger. Design : Product Description : IMAP : Integrated MPEG Audio Player. Dated :.
76KB taille 10 téléchargements 152 vues
+5V

R1

2

1

74ACT00

IC3A

3

DATA15

DATA14

DATA13

DATA12

DATA11

DATA10

11 1

2 3 4 5 6 7 8 9

1 19

2 3 4 5 6 7 8 9 B1 B2 B3 B4 B5 B6 B7 B8

1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q

74ACT573

C OC

1D 2D 3D 4D 5D 6D 7D 8D

IC1

74ACT245

DIR G

A1 A2 A3 A4 A5 A6 A7 A8

19 18 17 16 15 14 13 12

18 17 16 15 14 13 12 11

MAS.DAC.RST

BACKLIGHT

FAULT

SEL

ACK

PE

PP_DATA7

PP_DATA6

PP_DATA5

PP_DATA4

PP_DATA3

PP_DATA2

PP_DATA1

PP_DATA0

PARALLEL PORT

PORTB[0,7]

DATA9

DATA8

ADD0

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

BAS15 D2

COM1

1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q

74ACT573

C OC

1D 2D 3D 4D 5D 6D 7D 8D

4.7k

BAS15 D1

11 1

2 3 4 5 6 7 8 9

IC4

5

4

19 18 17 16 15 14 13 12

74ACT00

IC3B 6

PP_DATA7

PP_DATA6

PP_DATA5

PP_DATA4

PP_DATA3

PP_DATA2

PP_DATA1

PP_DATA0

16 17 21 23

6 5

1 2 3 7 4

8 9 10 11 12 13 14 15

D0 D1 D2 D3 D4 D5 D6 D7

D-

D+

VCC V3.3

/DACK DRQ

USBN9602-28M

/RESET XOUT AGND GND1 MODE0 GND2 MODE1

25 24

27

26

28

20

19

22 18

1.5k

R4

USB INTERFACE

/CS CLKOUT /RD /WR A0 INTR XIN



AUTOFEED

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

G2

G1 14 15 16 17 18 19 20 21 22 23 24 25



USB

PORTD[0,7]

BSY

1 2 DATA1 3 DATA2 4 DATA3 5 DATA4 6 DATA5 7 DATA6 8 DATA7 9 10 11 12 13 DATA0



A

B

/PP

4.7k

PORTD[0,7]

+5V R2

IC2

100pF

C

BSY

+5V C1

PIC_RESET

+5V* R3

5

100nF

1uF

56pF

C4

24R3

24R3 R6

R5

CX1

C2

Q1

D

4

L1

AUTOFEED

3

48Mhz

2

Released :

Dated :

22pF

C6 L2 1.0

30.11.2001

Gnd

D+

D-

VBUS

X1 1 2 3 4

Scale :

Sheet :

IMAP : Integrated MPEG Audio Player

(c) David Freudenberger Product Description :

Design :

22pF

C3

22pF

C5

6

USB

1



470nH



+5V 4.7k

2 of 4

A

B

C

D