TDA7503 Datasheet, PDF (1/26 Pages) STMicroelectronics – DUAL DSP PLUS MICRO FOR AUDIO APPLICATIONS

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TDA7503
DUAL DSP PLUS MICRO FOR AUDIO APPLICATIONS
Dual 24-bit 40 MIPS DSP Cores
8 bit Microcontroller
4 receive and 5 transmit stereo channels of
Serial Audio Interface
Synchronous Serial Interface for communica-
tion with external processor
FIFO based mailboxes for inter-processor
communications
External Memory Interface to 128Kb SRAM or
1Mb DRAM
CORDIC co-processor
Programmable PLL to suite wide range of ex-
ternal crystal oscillation frequencies
SPI control interface
Powerful debug interfaces
1280 words Program Memory for DSP1, 768
words Program Memory for DSP0
256 words X and Y Data RAM and Data ROM
for each DSP
256 byte Data RAM for Microcontroller
768 byte Auxiliary RAM for Microcontroller
BLOCK DIAGRAM
PRODUCT PREVIEW
TQFP100
DESCRIPTION
The device is a high-performance Digital Signal
Processing IC particularly suited to Audio applica-
tions. The device contains two 24-bit 40 MIPS
DSP cores delivering a total of 80 MIPS of DSP
processing power. There is also an embedded 8-
bit Microcontroller to handle all control functions.
All data and program memories for both DSP
cores are on-chip. A variety of highly programma-
ble and flexible peripheral blocks for both the Mi-
crocontroller and the DSPs have been integrated
to form a powerful audio processing system on a
single chip.
M8051
CORE
Host
Interface 0
Host
Interface 1
AUX-RAM
768 Bytes
Mi cro
Memory
Interface
AUX-RAM
256 Bytes
Watchdog
Timer
PLL
Clock
Oscillator
DCLK
Serial
Audio
Interface
Synchronous
Audio
Interface
XDB0
XAB0
XDB1
XAB1
SRAM/
D RAM
Interface
XCHG
Interface
C ordic
Ari thmetic
U nit
X-RAM0
X-ROM0
Y-RAM0
Y-ROM0
P-RAM0
P-ROM0
DSP0
CORE
X-RAM1
X-ROM1
Y-RAM1
Y-ROM1
P-RAM1
P-ROM1
DSP1
CORE
DEBUG
Interface
July 1999
This is preliminary information on a new product now in development. Details are subject to change without notice.
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