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TC9447F Datasheet(PDF) 1 Page - Toshiba Semiconductor |
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TC9447F Datasheet(HTML) 1 Page - Toshiba Semiconductor |
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1 / 44 page  TC9447F 2002-02-05 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC9447F Single-Chip Audio Digital Signal Processor The TC9447F is a single-chip audio digital signal processor incorporating an AD/DA converter. The built-in program memory (ROM) can contain a range of application programs for concert hall acoustic field simulation, for digital filters such as equalizers, and for dynamic range control. In addition, the device includes 64kb of data delay RAM, making external RAM unnecessary. Features · Incorporates a 1-bit Σ∆-type AD converter (two channels). THD: −82dB, S/N ratio: 95dB (typ.) · Incorporates a 1-bit Σ∆-type DA converter (four channels). THD: −85dB, S/N ratio: 100dB (typ.) · A ±10-dB attenuator is built into the DA converter output block (two channels only) · Each port has a digital input/output (three lead-type) · A built-in self-boot function automatically sets the coefficients and register values at initialization. Boot ROM : 1024 words × 18 bits · The DSP block specifications are as follows: Data bus : 24 bits Multiplier/adder : 24 bits × 16 bits + 43 bits → 43 bits Accumulator : 43 bits (sign extension: 4 bits) Program ROM : 1024 words × 32 bits Coefficient RAM : 320 words × 16 bits Coefficient ROM : 256 words × 16 bits Offset RAM : 64 words × 16 bits Data RAM : 256 words × 24 bits Operation speed : 44ns (510-step (approx) operation per cycle at fs = 44.1 kHz) Interface buffer RAM : 32 words × 16 bits · Incorporates data delay RAM. Delay RAM : 4096 words × 16 bits (64 kbits) · The microcontroller interface can be selected between Standard Transmission mode and I2C bus mode. · CMOS silicon structure supports high speed. · The package is a 100-pin flat package. Weight: 1.57g (typ.) |
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