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TDA7550R Datasheet

DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS

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TDA7550/R TDA7551
® TDA7552 TDA7553
DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND
AUDIO APPLICATIONS
PRODUCT PREVIEW
24-BIT, FIXED POINT, 50 MIPS DSP CORE
LARGE ON-BOARD PROGRAM ROM AND
DATA RAM (UP TO 16Kw ROM/RAM AND
16Kw RAM)
INTEGRATED STEREO A/D AND D/A, 16-BIT
SIGMA-DELTA
PROGRAMMABLE CODEC SAMPLE RATE
FROM 4 TO 48 kHz
ON-BOARD PLL FOR CORE CLOCK AND
CONVERTERS
MANAGEMENT OF EXTERNAL
FLASH/SRAM/DRAM MEMORY BANK
I2C OR SPI SERIAL INTERFACE FOR EX-
TERNAL CONTROL
80-PIN TQFP, 0.65 mm PITCH
AUTOMOTIVE GRADE (FROM -40° C to
+85°C)
DESCRIPTION
The TDA755X family is a high performances, fully
programmable 24-bit, 50 MIPS Digital Signal
BLOCK DIAGRAM
TQFP80
Processor (DSP), designed to support several
speech and audio applications, as Automatic
Speech Recognition, Speech Synthesis, Speaker
Verification, Echo and Noise Cancellation. Soft-
ware for these applications is licenced by Lernout
& Hauspie and NCTI.
It offers an effective solution for this kind of appli-
cations because of the A/D and D/A converters
and the big amount of memory integrated on chip.
MULTIPLEXED BUS
I2C/SPI
PORT
FLASH
INTERFACE
SAI
ROM/RAM
RAM
8
FLAGS
DSP
CORE
PLL
DAC
ADC
L
R
L
R
ANALOG OUT
ANALOG IN
D99AU1020A
September 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/12


STMicroelectronics Electronic Components Datasheet

TDA7550R Datasheet

DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS

No Preview Available !

TDA7550R - TDA7550 - TDA7551 - TDA7552 - TDA7553
APPLICATIONS
Real time digital speech and audio processing:
speech recognition, speech synthesis, speech
compression, echo cancelling, noise cancelling,
speaker verification.
ABSOLUTE MAXIMUM RATINGS
Symbol
VDDP
VD, VIN
Top
Tstg
Ptot
Parameter
Pads DC Supply Voltage
Digital or Analog Input Voltage
Operating Temperature Range
Storage Temperature Range
Total Maximum Power Dissipation
Value
–0.3 to VDD +0.3
–0.3 to VDDP +0.3
–40 to +85
–55 to +150
Unit
V
V
°C
°C
mW
PIN CONNECTION
EMI_AD5
EMI_AD6
VDD
GND
EMI_AD7
EMI_A8
EMI_A7
EMI_A10
EMI_A11
EMI_A12
EMI_A13
EMI_A14
EMI_A15
VDD
GND
EMI_A16
EMI_A17
EMI_A18
EMI_A19
EMI_A20
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
1 60
2 59
3 58
4 57
5 56
6 55
7 54
8 53
9 52
10 51
11 50
12 49
13 48
14 47
15 46
16 45
17 44
18 43
19 42
20 41
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
CGNDA
VINL
VINR
GND
VDD
VOUTL
VOUTR
CVDD
CGND
GPIO3
GPIO6
GPIO2
GND
VDD
SDA/SS
SCL/SCK
INTN
NRESET
DBRQN
DBOUT
TQFP80
2/12


Part Number TDA7550R
Description DIGITAL SIGNAL PROCESSING IC FOR SPEECH AND AUDIO APPLICATIONS
Maker ST Microelectronics
Total Page 12 Pages
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