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DSM2190F4V-15K6 Datasheet

  • DSM2190F4V-15K6

  • DSM (Digital Signal Processor System Memory) For Analog Devi...

  • 61頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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DSM2190F4V
DSM (Digital Signal Processor System Memory)
For Analog Devices ADSP-2191 DSPs (3.3V Supply)
FEATURES SUMMARY
s
Glueless Connection to DSP
鈥?Easily add memory, logic, and I/O to the Exter-
nal Port of ADSP-2191 DSP
s
Dual Flash Memories
鈥?Two independent Flash memory arrays for stor-
ing DSP code and data. DSP may access the
two arrays concurrently (read from one while
erasing or writing the other)
鈥?256K x 8 Main Flash memory divided into 8 sec-
tors (32KByte each)
鈥?Ample storage for booting DSP code/data
upon reset and subsequent code swaps
鈥?Large capacity for data recording
鈥?32K x 8 Secondary Flash memory divided into 4
sectors (8 KByte each). Multiple uses:
鈥?Small sector size ideal for small data sets,
and calibration or configuration constants
鈥?Store custom start-up code in one or more
sectors and configure DSP to run from exter-
nal memory upon reset (no boot)
鈥?Concatenate Secondary Flash with Main
Flash for total of 288 KBytes
鈥?Each Flash sector can be write protected.
鈥?Built-in programmable address decoding logic
allows mapping individual Flash sectors to any
address boundary
s
Up to 16 Multifunction I/O Pins
鈥?Increase total DSP system I/O capability
鈥?I/O controlled by DSP software or PLD logic
s
General purpose PLD
鈥?Over 3,000 Gates of PLD with 16 macro cells
鈥?Use for peripheral glue logic to keypads, control
panel, displays, LCDs, and other devices
鈥?Eliminate PLDs and external logic devices
鈥?Create state machines, chip selects, simple
shifters and counters, clock dividers, delays
鈥?Simple PSDsoft Express
TM
software...Free
s
Operating Range
鈥?V
CC
: 3.3V鹵10%; Temperature: 鈥?0
o
C to +85
o
C
s
Figure 1. Packages
PQFP52 (T)
PLCC52 (K)
In-System Programming (ISP) with JTAG
鈥?Program entire chip in 10-25 seconds with no in-
volvement of the DSP
鈥?Links with ADSP-2191 JTAG debug port
鈥?Eliminate sockets for pre-programmed memory
and logic devices
鈥?ISP allows efficient manufacturing and product
testing supporting Just-In-Time inventory
鈥?Use low-cost FlashLINK
TM
cable with PC
s
Content Security
鈥?Programmable Security Bit blocks access of de-
vice programmers and readers
s
Zero-Power Technology
鈥?As low as 25碌A(chǔ) standby current
s
Packaging
鈥?52-pin PQFP or 52-pin PLCC
s
Flash Memory Speed, Endurance, Retention
鈥?150 ns, 100K cycles, 15 year retention
September 2002
1/61

DSM2190F4V-15K6 產(chǎn)品屬性

  • STMicroelectronics

  • SPLD - 簡單可編程邏輯器件

  • DSM21

  • 16

  • 23.2 MHz

  • 90 ns

  • 4.75 V to 5.25 V

  • 70 C

  • 0 C

  • PLCC-52

  • SMD/SMT

  • Tube

  • 25

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