STA662
Features
■ General
– Multi-standard digital radio channel decoding
– Multi-standard digital radio source
decoding (MPEG-1 AL II, AAC+, BSAC)
– AM/FM phase diversity
– Multiple streams parallel processing FM
phase diversity plus two DAB channels
– Audio processing
– Audio streaming from SD Card, CD ROM
(optional)
■ Supported radio systems
– AM, FM including phase diversity
– DAB, DAB+, DMB-Audio, DRM
– HD Radio™ (interface to co-processor
STA680)
■ Hardware
– ARM946™ core running at 131.328 MHz
– STxP70 DSP core running at 262.256 or
131.328 MHz
– Emerald DSP core running at 131.328 MHz
– Multilayer AMBA architecture (6 AHB + 3 APB)
– DMA supporting 16 channels on 4
dedicated AHB layers
– VIC supporting vectored and standard
interrupt requests
– Hardware support for conditional access
(one-time programmable 768-bit memory)
– 2 internal PLLs:
System PLL for cores and peripherals
Fractional PLL for audio clocks input
■ Memories
– 64 KB Internal ROM
– 740 KB of Internal RAM available for cores
– 512 KB configurable DAB de-interleaving
memory
– SPI Flash interface for application code
loading running up to 16 MHz (optional
SD/MMC)