YSS920B Datasheet | YAMAHA

Features YSS920B has following features : - Basic patibility with the Sub DSP section of YSS922/932 for DSP program - High precision processing by 32-bit floating-point operation - Capability to process various sound effects by downloading external programs to the built-in RAM - 16 channels processing capability (input: 16ch, output: 16ch) - Zero data detecting function on each channel - 32-bit data transmission ability between multiple YSS920Bs - Connectability to most types of ADC, DAC and DIR through control register setting - Built-in delay memory with 32 bits × 1024 words (Max. 21.3 ms at fs = 48 k Hz) - Ability to execute up to 2.73 seconds delay (at fs = 48 k Hz) when connected with an external DRAM or SRAM - Support for sampling frequencies from 32 k Hz to 192 k Hz - DSP section specifications Internal operating frequency: 30.72 to 50.00 MHz Data bus width: 32 bits MAC: 32 bits (floating-point) × 16 bits (fixed-point) + 49 bits → 49 bits Program RAM: 50 bits × 1024 words Coefficient RAM: 16 bits × 1024 words - Ability to use up to 20 general-purpose input/output terminals - Power supply voltage: 2.5 V (for internal and PLL circuits), 3.3 V (for I/O) - Si-gate CMOS process - Lead-free 100-pin SQFP package:YSS920B-SZ .. YSS920B CATALOG CATALOG No.: LSI-4SS920B21 2006.8 - Application Sound field processing for AV amplifiers and audio mixers such as: 1) Simulation surrounds for Hall, Theater, Church, Stadium, Disco, Jazz, and Live 2) Virtual surround 3) Bass Management 4) Filtering process for LPF, HPF, equalizer, etc. 5) Fader and Level meters 6) Generating white noise, pink noise, sine waves, etc. - Difference between YSS920B and YSS920 The principal differences are as follows. Please sufficiently check that no problem occurs in your product when you replace YSS920 by YSS920B. Item 1 2 3 4 Internal operating frequency Power consumption (VDD1) Power consumption (VDD2/AVDD) Power supply start-up order) YSS920B 30.72 to 50.00MHz 45m W (typ) / 65m W (max)...