YSS950 Datasheet | YAMAHA

atures a high-speed/ high-precision 32-bit floating point DSP. - Features { 32-bit floating point DSP achieves high-speed/high-precision operations - Operation frequency: Approximately 166 MHz - Data bus width: 32 bits (24-bit mantissa, 8-bit exponent) - Multiplier/adder: 32 bits × 32 bits + 55 bits → 55 bits (47-bit mantissa, 8-bit exponent) { 48 KB (12 Kword) preset mand code firmware area { 24 KB (6 Kword) download mand code firmware area (maximum) { 104 KB (26 Kword) data RAM area (maximum) { High-speed mand code/coefficient data firmware download (burst transfer) { Download coefficients data firmware without any interruption of sound (runtime transfer) { Firmware’s placement order can be changed { Firmware’s number of execution channels can be changed (up to 16 channels) { Multiple firmware calls are enabled { Audio I/O - 32 bits × 16 channels, TDM - Fixed point decimal format and floating point decimal format (IEEE Standard 754, two’s plement) - Sampling frequency range is 32 to 192 k Hz - Audio clock division/switch - Input/output muting - Input/output channel switching { External memory not required { General I/O ports (4) { On-chip PLL { Power supply voltage: 1.2 V (core), 3.3 V (pin) { Low power consumption: Approximately 130m W (typical value) { Si-gate CMOS process { Lead-free 64-pin SQFP package (YSS950-SZ) - Applications { Home theater systems { Car audio .. YSS950 CATALOG CATALOG No.: LSI-4SS950A22 2006.10 - Block Diagram SDIMCK SDIBCK SDIWCK SDI0 SDI1 SDI2 SDI3 SDI4 SDI5 SDI6 SDI7 Serial Data Input 32bit Floating-Point DSP Serial Data Output SDOMCK SDOBCK SDOWCK SDO0 SDO1 SDO2 SDO3 SDO4 SDO5 SDO6 SDO7 /RST XI PLL XO TEST4-0 /CS SCK SI Instruction/Data RAM 28K x 32 Instruction/Data ROM 24K x 32 /INT /MUTE Registers GPIO3-0 Serial Peripheral Interface SO - System Configuration Example Microprocessor DIR or ADC or DSP DIT or DAC or DSP - Application Firmware The application firmware of YSS950(DAP1) provides a...