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CXP1021Q

System Controller for Compact Disc Players

Sony Semiconductor 

CXP1021Q

System Controller for Compact Disc Players

For the availability of this product, please contact the sales office.

Description

The CXP1021Q is a 4-bit single chip microcomputer

based on the SPC500 series. It incorporates

programs in firmware for CD operations. It can be

connected directly to the CDL-40 series of LSIs for

CD players, and can directly drive LCDs, in addition

to other features. It also supports the pitch control

function and can be employed in a wide range of

equipment, from deck-type CD players to radio

cassettes and portable systems.

80 pin QFP (Plastic)

Functions

• Key inputs of up to 20 keys is possible through matrix scanning. The following functions can be selected by

setting their respective keys.

•, ,

PLAY/PAUSE/PLAY PAUSE keys

•

STOP key

•,

•,

SKIP key; on memory input, this becomes the tune selection key

Fast forward key; speed differs during PLAY and PAUSE

• Repeat

One tune or all tunes repeat

• OPEN/CLOSE

Loading function (when deck type device is selected)

• A ←→ B

A ←→ B repeat function

• SHUFFLE

Shuffle (random) function

• PROG

Program; up to 21 tune memory, can indicate remainder

• REMAIN

Indicates single tune or all tunes remaining, up to 31 tunes

• INTRO

Fixes introscan at 10 seconds

• AUTO

Sets auto space at 4 seconds

• MUSIC calendar

Can display up to 20 tunes

• REMOTE

Enables input using NEC format remote control devices with modifiable custom codes

• 10key

Direct tune selection using keypad (remote control only)

• Syncro

Synchronization input and processing

• ×2

Double speed playback

• Battery detection

When portable mode selected, there is battery detection function

• Built-in test mode

Built-in test mode facilitates CD player auto diagnostics

• INDEX

Index search (remote control only)

• Pitch +, pitch –, pitch OFF Pitch control key for playback with varying speed

• External control output Used for on/off of the voice canceller

Recommended Combinations

• RF amplifier

• Servo signal processor

• Digital signal processor

• Pickup mechanism

CXA1571M/N/S

CXA1372AQ/AS

CXD2500BQ

KSL 2101

Structure

Silicon gate CMOS IC

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

–1–

E94811-ST

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