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Dj Equipment

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Dj Equipment
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DJ Equipment
Overview
DJ equipment is a device for playing back, mixing, and scratching music from CD and audio data as if they were from a vinyl record. DJ equipment is mainly made up of two DJ players and one DJ mixer. Although mainly used in North America and Europe until now, recently sales numbers of DJ equipment are increasing in emerging countries such as Russia and Brazil. In addition, although mostly used by businesses such as discos, due to the appearance of low-cost products private users are also increasing in number. Renesas Electronics simplifies the development of DJ equipment with SH726x 32-bit RISC microcontrollers with functions necessary for DJ equipment built-in and a lineup of motor drivers, power supply ICs, various standard ICs, optoelectronics devices, and so on. SH726x microcontrollers are built around the SH2A-FPU high-performance CPU core and integrate on-chip peripheral functions, such as an SD memory card interface, a NAND flash memory controller, USB, a CD-ROM decoder, and a serial sound interface. In addition, a variety of middleware products, such as an MP3 encoder/decoder, are available, allowing for flexible extension of functions and reducing the time required for system development.

System Block Diagram DJ player 1

DJ mixer
MOSFET: 2SK1807 Power supply IC PS25xx Photocoupler MOSFET: 2SK1807 Power supply IC PS25xx Photocoupler M5291FP DC-DC converter HA178Lxx
3-terminal regulator

Line filter

Turntable

Various switches Various LEDs

Memory card USB

CD mechanism

DJ player 2 (same as above)

Latest application information here.

2013.03 1

Line filter

3-terminal regulator

HA178Lxx Operation/ control/ display MCU
Fluorescent display

RL78 family

Audio OUT
Op-amp

CD1
Op-amp ADC ADC ADC

R2A30255SP, other
Motor driver CD-LSI

Audio Codec MP3/AAC/WMA File system •Audio control

CD2
Audio DSP 24-bit DAC Op-amp MIC AUX USB Op-amp

TRIM EQ/ISOLATOR CH FADER CROSS
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