DSP56857 datasheet(57/662 Pages) FREESCALE

Part #	DSP56857

Description	Digitial Signal Controller

PDF	662 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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57 / 662 page

5685x Memory

5685X Overview, Rev. 4

Freescale Semiconductor

1-25

1.6 5685x Memory

These lists provide features of the 56853/854/55/857/858’s memory modules:

•

56853

— 12K

× 16-bit Program SRAM

—4K

× 16-bit Data SRAM

—1K

× 16-bit boot ROM

•

56854

— 16K

× 16-bit Program SRAM

— 16K

× 16-bit Data SRAM

—1K

× 16-bit boot ROM

•

56855

— 24K

× 16-bit Program SRAM

— 24K

× 16-bit words of Data SRAM

—1K

× 16-bit boot ROM

•

56857

— 40K

× 16-bit Program SRAM

— 24K

× 16-bit Data SRAM

—1K

× 16-bit boot ROM

•

56858

— 40K x 16-bit Program SRAM

— 24K x 16-bit Data SRAM

— 1K x 16-bit boot ROM

1.6.1 Program SRAM

•

Single Port RAM is compatible with the pipelined program bus structure

•

Single cycle reads at 120MHz

1.6.2 Data SRAM

•

Single read, dual read or single write memory compatible with the pipelined data bus

structure

•

Single cycle reads/writes at 120MHz

DSP56857 Datasheet(PDF) 57 Page - Freescale Semiconductor, Inc

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