Application

Audio Equipment

MP3 player

Example in which CODEC and Microcontroller are not on the same chip

Flash products are licensed from Silicon Storage Technology, Inc.,(USA), and manufactured and sold by SANYO Electric Co., Ltd.

For LCD Backlights of Portable Electronic Devicess

LED Driver
LC41059

White LED driver that allows the brightness to be adjusted

Input voltage: 2.7 V to 5.5 V

Drives 1 to 4 LEDs at max. 100 mA (25 mA×4)

Supports brightness address over voltage input or pulse input

Power saving function

Soft start function (Overcurrent protection)

Package: VQFN28 W-CSP

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USB (High Rate) Interface

8-Bit Single-chip Flash Microcontroller
LC87F16C8A, LC87F10C8A

Memory capacity:
Flash ROM 128K×8 bits (on-board programable)
RAM 8,192×9 bits

Supply voltage: VDD= 2.7 to 3.6 V

USB interface (Ver.1.1, full speed version)

Provides 7 endpoints

Multiply/divide instructions: 24×16, 24/16, 16×8, 16/8

Serial I/O circuit with 32-byte automatic transfer function

Remote controller signal receiver circuit

Package: TQFP64J/TQFP48J/QIP48E

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Single-chip FM Tuner IC

LV24002

These revolutionary devices are self-contained FM radio ICs that require no external components.

FM+source selector+ headphone amplifier Ultraminiature package: VQLP40

For small product such as cell phones and other portable electronic devices.

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Single-chip Audio Compression IC

LC8233XX

Supports MP3, AAC, and AAC+.

On-chip 32-bit microcontroller (ARM7TDMI®)

Ultralow power consumption: 10 mW

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MP3 Decoder IC

LC82311

Achieves the ultralow power consumption that is extremely difficult for DSP-based implementations (measured power consumption : 15 mW)

Supports a wide range of sampling rates
 MPEG1 (32, 44.1, and 48 kHz)
 MPEG2 (16, 22.05, and 24 kHz)
 MPEG2.5 (8, 11.025, and 12 kHz)

On-chip ΔΣ D/A converter

Supports use of an external D/A converter

Digital volume and tone control circuits

Digital bass boost and audio leakage prevention circuits
(Only available when the internal D/A converter is used.)

CRC error soft muting function

Supports reading ancillary data

Sleep mode support

External oscillator frequency: 16.9344 MHz (44.1 kHz×384)

Package: SQFP64/FBGA96

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MP3/WMA Decoder IC

LC823231

Ultralow power (MP3: 10 mW, WMA: 15 mW)

Supported formats
• MPEG1, MPEG2, and MPEG2.5 (all sampling frequencies, all bit rates)
• WMA

Digital volume and tone control circuits

Digital equalizer and audio leakage prevention circuits (D/A converter)

ΔΣ D/A converter and class D amplifier

PCM I/O interface

Sleep mode

Crystal oscillator: 16.9344 MHz (44.1 kHz×384)

Built-in PLL circuit to support sampling frequencies other than 44.1 kHz

Supply voltages: Internal: 1.2 to 1.8 V, external: 2.7 to 3.6 V

Package: SQFP64

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