DSM2180F315T6 STMICROELECTRONICS [STMicroelectronics], DSM2180F315T6 Datasheet

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DSM2180F315T6

Manufacturer Part Number

DSM2180F315T6

Description

DSM (Digital Signal Processor System Memory) For Analog Devices ADSP-218X Family (3.3V Supply)

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.DSM2180F315T6.pdf (63 pages)

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FEATURES SUMMARY

December 2001

Glueless Connection to DSP

– Easily add memory, logic, and I/O to DSP

128K Byte Flash Memory

– For Bootloading and/or Data Overlay Memory

– Programmable Decoding and Paging Logic

– Rapidly access Flash memory with BDMA for

– Individual 16K Byte Flash memory sectors

– DSM connects to lower byte of 16-bit DSP

3.3V Devices (±10%)

– Increase total DSP system I/O capability

– I/O controlled by DSP software or PLD logic

– 4mA I/O pin drive

– Over 3,000 Gates of PLD with 16 macro cells

– Use for peripheral glue logic to keypads, con-

– Eliminate PLDs and external logic devices

– Create state machines, chip selects, simple

– Simple PSDsoft Express

General purpose PLD

Up to 16 Multifunction I/O Pins

allows accessing Flash memory as Byte DMA

(BDMA) and as External Data Overlay mem-

ory

booting and loading internal DSP Overlay

memory. Alternatively access the same Flash

memory as External Data Overlay memory to

efficiently write Flash memory with code up-

dates and data, a byte at a time with no DMA

setup overhead

match size of DSP External Data Overlay

window for efficient data management. Inte-

grated page logic provides easy DSP access

to all 128K Bytes.

data bus. Byte-wide accesses to 8-bit BDMA

space. Half-word accesses to 16-bit Data

Memory Overlay and 16-bit I/O Mem space.

trol panel, displays, LCD, UART devices, etc.

shifters and counters, clock dividers, delays

For Analog Devices ADSP-218X Family (3.3V Supply)

DSM (Digital Signal Processor System Memory)

TM

software ...Free

Figure 1. Packages

– Program entire chip in 10-20 seconds with no

– Eliminate sockets for pre-programmed mem-

– Efficient manufacturing allows easy product

– Use low-cost FlashLINK

Content Security

– Programmable Security Bit blocks access of

Zero-Power Technology

– 25 A at V

Small Packaging

– 52-pin PQFP or 52-pin PLCC

Memory Speed

– 150 ns

In-System Programming (ISP) with JTAG

involvement of the DSP

ory and logic devices

testing and Just-In-Time inventory

device programmers and readers

CC

=3.3V

PQFP52 (T)

PLCC52 (K)

DSM2180F3V

TM

cable with PC

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