PDF TC9472F Data sheet ( Hoja de datos )

Número de pieza	TC9472F
Descripción	Audio Digital Signal Processor
Fabricantes	Toshiba
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No Preview Available ! TC9472F TENTATIVE TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC TC9472F 1 chip AUDIO DIGITAL SIGNAL PROCESSOR TC9472F is the 1 chip audio DSP which built in 24-bits, a 22.5 MIPS DSP core, 3 ch AD converter, 5 ch DA converter, and electronic volume for trims, and corresponds to a Multi-speaker system. It is possible to realize many application, such as sound field control - hall simulation,for example - , digital filter for equalizers, dyanmic range control, KARAOKE and something. FEATURES • Incorporates 3 ch AD converter, 2 ch is 1bit Σ - ∆ type AD converter for HiFi - Audio and 1 ch is 16 bit Multi-bit type AD converter for Microphone. QFP100-P-1420-0.65A 2 ch HiFi-ADC (1bit Σ - ∆ type) S / N : 98 dB (typ.) 1 ch Mic. ADC (16 bit Multi - bit type) S / N : 80 dB (typ.) www.DataSheet4U.com• Incorporates 1bit Σ - ∆ type DA converter, and the attenuator for trims Weight : 1.57g (typ.) is built in each DAC output. In case of the use which does not use a trim, It is possible to output the analog signal of DAC directly. 5 ch DAC (1bit Σ - ∆ type) S / N : 100 dB (typ.) • A built-in self-boot function automatically sets the coefficients and register values at initialization. Boot ROM : 1024 word x 18 bit • The DSP block specification are as follows : Data bus : 24 bit Multiplier / adder : 24 bit x 16 bit + 43 bit => 43 bit Accumulator : 43 bit (sign extension : 4 bit) Program ROM : 2048 word x 32 bit Coefficient RAM : 448 word x 16 bit Coefficient ROM : 256 word x 16 bit Offset RAM : 64 word x 16 bit Data RAM : 256 word x 24 bit Operation speed : 44 ns (510-step (approx.) operation per cycle at fs = 44.1 kHz) Interface buffer RAM : 32 word x 16 bit • Incorporates data delay RAM of 64 kbit. Delay RAM : 4096 word x 16 bit (64 kbit) • The microcontroller interface can be selected between TOSHIBA original 3 line type and I2C bus format. • CMOS silicon structure supports high speed. • The package is a 100-pin flat package. • TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TOSHIBA product could cause loss of human life, bodily, injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent products specifications. Also, please keep in mind the precautions and conditions set forth in the TOSHIBA Semiconductor Reliability Handbook. • The products described in this document are subjects to foreign exchange and foreign trade control laws. • The information contained herein is presented only as guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringement of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. • The information contained herein is subject to change without notice. 1998-12-11 1 / 14 1 page TC9472F PIN No. SYMBOL 68 DIN 69 DOUT 70 GND 71 /CS 72 IFCK 73 IFDI 74 IFDO 75 IFOK 76 /ERR 77 I2CS 78 BA1 79 BA0 80 BOOT 81 VDD 82 TST0 83 TST1 84 TST2 85 TST3 86 VDM 87 VRM1 88 MIN 89 MOUT 90 VRM2 91 GNDM 92 VSAL 93 LIN 94 AVRL 95 VDL 96 VDR 97 AVRR 98 RIN 99 VSAR 100 GNDX I / O FUNCTION I Serial data input pin O Serial data output pin - Ground pin I Microcontroller interface chip select signal input pin I Microcontroller interface data shift clock signal input pin I Microcontroller interface data input pin O Microcontroller interface data output pin O Microcontroller interface operation flag pin O Error flag output pin I Microcontroller interface I2C bus / 3 line bus switching pin I Boot address setting pin 1 I Boot address setting pin 0 I Self boot control pin - Power pin I Test pin T0 I Test pin T1 I Test pin T2 I Test pin T3 - Power pin for microphone ADC - Reference voltage pin 1 for microphone ADC I Microphone ADC amplifier input pin O Microphone ADC amplifier output pin - Reference voltage pin 2 microphone ADC - Ground pin for microphone ADC - Ground pin for ADC L channel I ADC L channel signal input pin - Reference voltage pin for ADC L channel - Power pin for ADC L channel - Power pin for ADC R channel - Reference voltage pin for ADC R channel I ADC R ch signal input pin - Ground pin for ADC R channel - Ground pin for oscillator circuit REMARKS Schmitt input Schmitt input Schmitt input Schmitt input Open drain output Open drain output Schmitt input Schmitt input Schmitt input Schmitt input Schmitt input Schmitt input Schmitt input 1998-12-11 5 / 14 5 Page AC Characteristic Measurement Point (1) Clock Pins ( XI, ECKI) XI/ECKI 50% (2) Reset 100% VDD 0% /RESET tXIH tXI 90% 50% tRRS tXIL (3) Timing Output 100% FS 0% 50% CKO0 ~ 1 tDFC 50% (4) Audio Serial Interface (ELRI, EBCI, DIN, ELRO, EBCO, DOUT) tEBCI tEBIL tEBIH ELRI EBCI DIN ELRO EBCO DOUT tLIH tSDI tHDI tEBCO tEBOL tEBOH tLOH tDO1 tDO2 TC9472F tWRS tLIH tLOH 1998-12-11 11 / 14 11 Page

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