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PT8921

Princeton Technology
Part Number PT8921
Manufacturer Princeton Technology
Description Smart Audio Combo-Station with USB Mini-Host & SD/MMC Host Interface Controller
Published Apr 17, 2010
Detailed Description Preliminary PT8921 Smart Audio Combo-Station with USB www.DataSheet4U.com Mini-Host & SD/MMC Host Interface Controller ...
Datasheet PDF File PT8921 PDF File

PT8921
PT8921

Overview
Preliminary PT8921 Smart Audio Combo-Station with USB www.
DataSheet4U.
com Mini-Host & SD/MMC Host Interface Controller DESCRIPTION The PT8921 is a cost-efficient single chip for audio mini-combo play-station application.
The chip integrated the USB2.
0 FS host controller, SD/MMC host controller, Sigma-Delta Audio-DAC and WAV/MP3/WMA/AAC Audio-Decoder in one chip.
Only few external components needed in application circuits makes it suite for the audio play-station system with USB2.
0 FS host, SD/MMC host and i-Pod audio control interfaces.
The I/O interfaces are totally following the USB2.
0 FS host class interface specification and SD/MMC card specification.
The stand alone audio play-station and no special driver software need to install on this system by user in the recent market.
The PT8921 is a truly plug and play audio play-station controller with USB2.
0 FS host and SD/MMC host interfaces.
There are some extended functions for the different audio sources and applications.
The embedded 8-GPIO pins provide the player function key and other adjustment feature.
FEATURES • • • • • • • • • • • • • • • • Built-in USB 2.
0 FS Mini-Host interface.
Compliant with USB Mass-storage class specification.
Built-in SD/MMC Host interface.
Compliant with SD/SDIO Card specification Version 2.
0.
Compliant with MMC Card specification Version 4.
2.
Support FAT12, FAT16 and FAT32 file system.
Built-in 8051 base MCU with 8K ROM.
Support ISP (In-System-Programmable) Interface for external program Flash-ROM.
Built-in WAV/MP3 WMA/AAC Format Audio-Decoder.
Support MPEG1/2/2.
5 layer III audio decoding.
Built-In Flat/Pop/Jazz/Classic/Rock processing function.
Built-In Digital Volume control function Built-in SNR=85dB (A-Weighted) Sigma-Delta DAC, PWM Output.
Built-in I2C Master/Slave Control Interface.
Built-in UART Interface to communicate with i-Pod.
Built-in external I2S input for optional audio input sources, and support one I2S output connecting an external advanced audio controller or st...


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