TC94A48FG
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC94A48FG
Single-chip Audio Digital Signal Processor
The TC94A48FG is a single-chip audio Digital Signal
Processor, incorporating two channels AD converter and
six channels DA converter.
It can realize many applications, including sound field
control, such as hall simulation, digital filters, such as
equalizers, surround sound, base boost and more.
Features
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Incorporates a 1-bit
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AD converter (2 channels).
THD+N: -78 dB (typ.), S/N ratio: 92 dB (typ.)
Incorporates a multi-bit
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DA converter (6 channels).
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
Multiplier/adder
: 24 bits 脳 24 bits + 51 bits
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51 bits
Accumulator
: 51 bits (sign extension: 4 bits)
Program ROM
: 3072 words 脳 16 bits
Program RAM
: 1024 words 脳 16 bits
XRAM
: 4096 words 脳 24 bits
YRAM
: 1024 words 脳 24 bits
CROM
: 1024 words 脳 24 bits
The microcontroller interface can be selected between serial mode and I
2
C 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.
P-LQFP64-1010-0.50E
Weight: 0.4 g (typ.)
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