CXP1021Q Ver la hoja de datos (PDF) - Sony Semiconductor

Número de pieza

componentes Descripción

Fabricante

CXP1021Q

System Controller for Compact Disc Players

Sony Semiconductor 

CXP1021Q

Pin

No.

Symbol

35 PI0/AD0

36 PI1/AD1

37 PI2/AD2

38 PI3/AD3

39 PB0/AD4

40 PB1/AD5

41 PB2/AD6

42 PB3/AD7

43 NC

44 PX0/SC

45 PX1/SO

46 PX2/SI

47 PA0

48 PA1

49 PA2

50 PA3

51 PF0

52 PF1

53 PF2

54 PF3

55 PE0

56 PE1

57 PE2

58 PE3

59 PY0

60 PY1/PWM

61 PY2/WP

62 PY3/EC

Funciton

code

I/O

Description

GFS

I

Monitors disc state;

connect to CXD2500BQ GFS (42).

SYNCIN

I

Used to start the CD synchronously with external equipment

(casette deck, ect.). Starts at falling edge ( ).

DISCIN

I

Switch to "L" when tray enters a unit in deck mode, or when lid is

closed in portable mode.

DISCOUT/

BATT-E

I

Switch to "L" when tray is open in deck mode, and when there

are no batteries in portable mode.

LOAD/

DECK · PT

I/O

In deck mode, indicates tray loading motor operation; on "L" detection

immediately after reset, performs portable mode branching.

UNLOAD/ I/O In deck mode, output to tray loading motor; in portable mode,

BATT-W

output to battery warning display.

EMPH

O Emphasis output signal.

MUTG

O Turns mute on when mute signal is "H".

No connected.

SQCK

O SUB-Q reading clock output

O No connected.

SUBQ

I SUB-Q code input port.

CLK

O 8-bit data clock output.

DATA

O 8-bit data output.

FOK

I Inputs focus state;

connect to CXA1372AQ FOK (33).

SENSE

I SENSE input (monitor for different systems)

KI0

KI1

Key scan input port;

KI2

I reads the remote control customer code on reset or startup.

KI3

RS0

RS1

O RMC customer code scan signal.

RS2

RS3

XLT

O Latch output.

LDON

O Laser diode control; "L": on, "H": off

KEYSEL I Key combining switch input.

TESTIN

I Performs test mode branching on detection of "L" immediately after

reset.

–6–

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