1 2 3 4 5 6 BCDAABCD IDE Laptop Hard Drive Buffer ... .fr

LCD. /LCD. ADD0¡. ADD1. BACKLIGHT. KEY. IR. SIC. SID. DEM. I2CC. I2CD. MAS.DAC.RST. IDE Laptop Hard Drive. Buffer SRAM 32Ko. Microcontroller.
79KB taille 2 téléchargements 228 vues
PORTD[0,7]

Control

SID

SIC

DEM

I2CD

I2CL

IR

KEY

E573

DATA4

DATA3

DATA2

DATA1

DATA0

POWER

MENU

RWD/DOWN

FWD/UP

PLAY/STOP

KEY

29 6

12 13 33 34

32 35 36 37 42 43 44 1

30 31

18

RB0 RB1 RB2 RB3 RB4 RB5 RB6 RB7

RD0 RD1 RD2 RD3 RD4 RD5 RD6 RD7

RE0 RE1 RE2

RA0 RA1 RA2 RA3 RA4 RA5

VDD1 VDD2

IR

PIC16F877/20

VSS1 VSS2

NC1 NC2 NC3 NC4

RC0 RC1 RC2 RC3 RC4 RC5 RC6 RC7

OSC1 OSC2

/MCLR

100nF

C3

3 2 1

+5V 8 9 10 11 14 15 16 17

38 39 40 41 2 3 4 5

25 26 27

19 20 21 22 23 24

28 7

/WE

/OE

Decoder

Com

IR

PORTD[0,7]

DATA6

DATA4

DATA2

DATA0

ADD1

BACKLIGHT

IR

LCD-Keyboard-IR

DATA15

DATA14

DATA13

DATA12

DATA11

DATA10

DATA9

DATA8

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

USB

BSY

AUTOFD

/PP

/LCD

/DIOW

/DIOR

1 3 5 7 9 11 13 15

2 4 6 8 10 12 14 16

E573

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

ADD0

DATA7

DATA5

DATA3

DATA1

LCD

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

3

74ACT573

C OC

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

IC1

KEY

11 1

2 3 4 5 6 7 8 9



A

B

C

20Mhz

Microcontroller

18pF C2

18pF C1

DS1811

3 1 2

+5V

Q1

VCC /RST GND

PIC_RESET

3

ADD7

ADD6

ADD5

ADD4

ADD3

ADD2

ADD1

ADD0

IC4A

74ACT00

19 18 17 16 15 14 13 12

1

2

4

+5V /LCD

PORTD[0,7]

LOUTL

HOUTR

HOUTL

ADD1

ADD0

ADD2

ADD4

ADD3

ADD6

ADD5

ADD7

ADD9

ADD8

ADD11

ADD10

/OE

/WE

ADD14

ADD13

ADD12

27 22 20

10 9 8 7 6 5 4 3 25 24 21 23 2 26 1

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43

2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44

SIC

SID

14

28

11 12 13 15 16 17 18 19

LOUTR

I2CD

I2CC

DEM

DATA7

DATA6

DATA5

DATA4

DATA3

DATA2

DATA1

DATA0

ADD4

ADD2

DATA15

DATA14

DATA13

DATA12

DATA11

DATA10

DATA9

DATA8

ADD0 ADD1 ADD2 ADD3 ADD4

-> -> -> -> ->

DA0 DA1 DA2 CS0 CS1

PORTB[0,7]

Released :

Dated :

1.0

30.11.2001

Scale :

Sheet :

IMAP : Integrated MPEG Audio Player

(c) David Freudenberger Product Description :

Design :

6

1 of 4

Buffer SRAM 32Ko

IDE Laptop Hard Drive

ADD3

ADD0

ADD1

/DIOR

/DIOW

DATA0

DATA1

DATA2

DATA3

DATA4

DATA5

DATA6

DATA7

VSS

CY62256

VCC WE\ OE\ CS\

I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7

2 4 6 8 10 12 14

A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14

IC2

3 5 7 9 11 13

M A S . D A C . R S T1

MP3 Test

5

+5V R1

2

GndA +5V 4.7K

D

1



+5V



R3



4.7K



+5V



+5V*



+5V



R2

+5V

 

4.7K

A

B

C

D