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Toshiba Semiconductor - Single-chip Audio Digital Signal Processor

Numéro de référence TC94A48FG
Description Single-chip Audio Digital Signal Processor
Fabricant Toshiba Semiconductor 
Logo Toshiba Semiconductor 





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TC94A48FG fiche technique
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC94A48FG
TC94A48FG
Single-chip Audio Digital Signal Processor
The TC94A48FG i s a si ngle-chip au dio Di gital Si gnal
Processor, incorporating two cha nnels A D co nverter and
six channels DA converter.
It ca n re alize m any a pplications, including s ound fi eld
control, s uch as ha ll s imulation, di gital filters, such a s
equalizers, surround sound, base boost and more.
Features
Incorporates a 1-bit Σ-AD converter (2 channels).
P-LQFP64-1010-0.50E
THD+N: -78 dB (typ.), S/N ratio: 92 dB (typ.)
Incorporates a multi-bit Σ-DA converter (6 channels).
Weight: 0.4 g (typ.)
THD+N: -88 dB (typ.), S/N ratio: 98 dB (typ.)
Digital input/output ports
Four input ports (8 channels)
Four output ports (8 channels)
The DSP block specifications are as follows:
Data bus
: 24 bits
M ultiplier/adder
: 24 bits × 24 bits + 51 bits 51 bits
Accumulator
: 51 bits (sign extension: 4 bits)
Program ROM
: 3072 words × 16 bits
Program RAM
: 1024 words × 16 bits
XRAM
: 4096 words × 24 bits
YRAM
: 1024 words × 24 bits
CROM
: 1024 words × 24 bits
The microcontroller interface can be selected between serial mode and I2C bus mode.
Operating supply voltage: 3.3 V (some pins accept 5 V)
CMOS silicon structure supports high speed.
The package is a 64-pin LQFP (0.5-mm pitch) package.
1 2005-09-28
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