TDA7590_09 Datasheet, PDF (18/42 Pages) STMicroelectronics – Digital signal processing IC for speech and audio applications

Memories
6
Memories
TDA7590
128 K x 24-bit RAM divided into 4 areas, program RAM(PRAM), X data RAM(XRAM), Y
data RAM(YRAM) and flexible allocation RAM(FLEX) as follows:
● 16 kB PRAM
● 40 kB FLEX RAM. FLEX RAM is accessed through the expansion port by the DSP
core.
● External access to the FLEX RAM is also supported.
● 72 kB RAM is allocated as XRAM and YRAM. Four configurations are supported:
– 4 kB XRAM and 68 kB YRAM
– 8 kB XRAM and 64 kB YRAM
– 16 kB XRAM and 56 kB YRAM
– 24 kB XRAM and 48 kB YRAM
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