DESCRIPTION

· The AS3527 is a highly flexible and fully integrated audio processor system designed for battery-powered devices.

· It combines strong calculating power, high-performance audio features, and system power management options.

· Built on advanced process technology, it achieves outstanding low power consumption of 52mW during MP3 playback.

· Features a powerful ARM9TDMI processor capable of up to 200MIPS, supporting MP3, AAC, WMA, OGG decoders/encoders, and advanced user interfaces.

· Includes dedicated high-speed interfaces for ATA IDE, USB2.0 HS-OTG, and SDRAM, ensuring maximum performance for download, upload, and playback.

· Supports NAND flashes, MMC/SD cards, and Memory Stick for flexible system design.

· Offers hardware support for parallel interfaces, SPI, Fast UARTs, and configurable serial high-speed data and control interfaces.

· Includes two independently programmable PLLs for generating required frequencies and an external clock input for multi-processor systems.

· Provides advanced power management, generating 11 different supply voltages from a single battery source.

· Features an independent 32kHz real-time clock (RTC) and a Li-Ion battery charger.

FEATURES

· Embedded 32-Bit RISC Controller: ARM922TDMI CPU, 2.5Mbit on-chip RAM, 1Mbit on-chip ROM, max clock speed 250MHz (200MIPS).

· USB 2.0 HS & OTG Interface: Up to 480Mbit/s transfer speed, dual port buffer RAM, DMA bus master functionality.

· IDE Host Controller: Supports Ultra ATA 33/66/100/133 modes, programmable IO, and Multi-word DMA capability.

· External Memory Controller: Dynamic and asynchronous static memory interfaces, DMA bus master functionality.

· DMA Controller: Single Master DMA controller, supports 2 DMA channels simultaneously, 16 DMA requests.

· Interrupt Controller: Supports 32 standard interrupts and 16 vectored IRQ interrupts.

· Audio Subsystem Interface: Dedicated 2-wire serial control master, I2S input/output with dual port buffer RAM.

· NAND Flash Interface: Supports 8 and 16-bit flash, 3, 4 & 5 byte address support, hardware ECC.

APPLICATIONS

· Digital Audio Players with flash or hard-disk memory.

· Mobile phones and multi-processor systems.

· Satellite radio (XM-Radio, HD-Radio, Sirius, DAB).

· Bluetooth 2.0 radio front ends or complete chip sets.

· WiFi chip sets and communication receivers (e.g., GSM).

· GPS radio or complete chip sets.

· Advanced user interfaces and motion graphics support.

· Video playback and other multimedia applications.