Part Number: DSM2190F4V
Function: DSM (DIGITAL SIGNAL PROCESSOR SYSTEM MEMORY)
Package: 52-pin PQFP or 52-pin PLCC type
Manufacturer: STMicroelectronics
Image and Pinouts:
Description
The DSM2190F4V is a system memory device for use with the Analog Devices ADSP-2191 DSP.
DSM means Digital signal processor System Memory. A DSM device brings In-System Programmable (ISP) Flash memory, parameter storage, programmable logic, and additional I/O to DSP systems.
In addition to ISP Flash memory, DSM devices add programmable logic (PLD) and up to 16 configurable I/O pins to the DSP system. The state of each I/O pin can be driven by DSP software or PLD logic. PLD and I/O configuration are programmable by JTAG ISP, just like the Flash memory.
Features Summary :
1. Glueless Connection to DSP
– Easily add memory, logic, and I/O to the External Port of ADSP-2191 DSP
2. Dual Flash Memories – Two independent Flash memory arrays for storing DSP code and data. DSP may access the two arrays concurrently (read from one while erasing or writing the other)
– 256K x 8 Main Flash memory divided into 8 sectors (32KByte each)
– Ample storage for booting DSP code/data
– upon reset and subsequent code swaps
– Large capacity for data recording
3. Up to 16 Multifunction I/O Pins
– Increase total DSP system I/O capability
– I/O controlled by DSP software or PLD logic
4. General purpose PLD
– Over 3,000 Gates of PLD with 16 macro cells
– Use for peripheral glue logic to keypads, control panel, displays, LCDs, and other devices
– Eliminate PLDs and external logic devices
– Create state machines, chip selects, simple shifters and counters, clock dividers, delays
– Simple PSDsoft Express
5. In-System Programming (ISP) with JTAG
– Program entire chip in 10-25 seconds with no in volvement of the DSP
– Links with ADSP-2191 JTAG debug port
– Eliminate sockets for pre-programmed memory and logic devices
– ISP allows efficient manufacturing and product testing supporting Just-In-Time inventory
– Use low-cost FlashLINK TMcable with PC
6. Content Security
– Programmable Security Bit blocks access of device programmers and readers
7. Zero-Power Technology
– As low as 25µA standby current
8. Flash Memory Speed, Endurance, Retention
– 150 ns, 100K cycles, 15 year retention
DSM2190F4V Datasheet PDF Download
Other data sheets are available within the file: DSM2190F4VV-15K6, DSM2190F4VV-15T6
