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ATSAM9708 Datasheet

  • ATSAM9708

  • Sound Synthesis

  • 30頁(yè)

  • ATMEL   ATMEL

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Features
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Up to 128-voice Top-quality Wavetable Synthesis Chip
鈥?Two 64-voice RISC DSP Cores
鈥?Two High-speed CISC Control Processors
鈥?Versatile Programmable Digital Audio Routing Between the Two DSPs
Voices Can Be Allocated for Synthesis and/or Effects and/or Audio Processing
Maximum Single-shot PCM Wavesize of 4M Samples (93 Seconds @ 44.1 kHz)
Samples Can Be Stored in 16-bit Floating Point Format (20-bit Dynamic), 16-bit Linear,
8-bit Linear
Standard Audio Processing Firmware Includes Equalizer, Surround, MPEG Audio
Decoder (Level 2)
Sophisticated Built-in Cache Memories
鈥?Allows Use of Standard 90 ns 16-bit ROMs/RAMs
鈥?Guarantees Crisp Response Even Under Heavy Traffic Conditions
GS
廬
Sound Set
(1)
under License from Roland
廬
Corporation, Other Sound Sets
Available
16-channel Audio-in, 16-channel Audio-out @ 22 Bits Audio/Channel
28-bit Internal Audio Path
Two Serial MIDI-In, Two Serial MIDI-Out
Firmware/Wavetable Data Can Reside in ROM, DRAM, SDRAM
Up to 256M Bytes of External Memory with Support of SIMM (DRAM) and DIMM
(SDRAM)
High-speed 16-bit Burst Transfer for Firmware Download or Streaming Audio
Compatible with ATSAM9707, Uses Proven Design and Development Tools
鈥?Sound Editor, Sound Bank Editor
鈥?Algorithm Compiler, Assembler, Source Debugger
鈥?Direct Development from PC Environment, No Special Emulator Required
Top Technology
鈥?Single Low-frequency Crystal and Built-in PLL
鈥?3.3V Supply, 5V-tolerant I/Os
鈥?Space-saving 144-lead TQFP Package
鈥?Power-down Mode
Typical Applications: Karaokes, High-range Multimedia, Classical Organs, Digital
Pianos, Professional Keyboards, Musical Samplers
1. The GS Sound Set is subject to special licensing conditions. Not to be used for
musical instruments.
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Sound
Synthesis
ATSAM9708
128-voice
Integrated
Sound
Synthesizer
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Note:
Description
The ATSAM9708 is a 128-voice integrated synthesizer, integrating two PDSP blocks
and a memory management unit (MMU). One PDSP block is a combination of a spe-
cialized 64-slot RISC-based digital signal processor (DSP), a general-purpose 16-bit
CISC-based control processor (P16), a cache memory and an 鈥渋ntelligent鈥?peripheral
I/O interface. Both PDSPs are fully independent and share the same external memory
through the MMU.
1772D鈥揇RMSD鈥?1/04

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