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ML2500

OKI electronic componets
Part Number ML2500
Manufacturer OKI electronic componets
Description Analog-Storage Single-chip Record/Playback LSI with 1M Bit-Cell Flash Memory
Published May 7, 2005
Detailed Description FEDL2500-01 FEDL2500-01 This version: Jul. 2000 ML2500 Previous version: Jun. 1999 ¡ Semiconductor ML2500 ¡ Semiconduc...
Datasheet PDF File ML2500 PDF File

ML2500
ML2500

Overview
FEDL2500-01 FEDL2500-01 This version: Jul.
2000 ML2500 Previous version: Jun.
1999 ¡ Semiconductor ML2500 ¡ Semiconductor Analog-Storage Single-chip Record/Playback LSI with 1M Bit-Cell Flash Memory This document contains minimum specifications.
For full specifications, please contact your nearest Oki office or representative.
GENERAL DESCRIPTION Thanks to newly developed Analog Multi-Level Storage technology, ML2500 stores noncompressed analog source signal directly into on-chip 1M Bit-Cell Flash memory.
The result is superb sound quality without noise and distortions introduced through coding/decoding, and impressive long-time record/playback capability up to 256 sec.
ML2500 is fully controllable by an external MCU via the industry's standard Serial Peripheral Interface.
In addition, no backup requirement and low operating voltage (2.
7 to 3.
3 V) make the LSI an ideal choice for compact, handy and portable terminals.
ML2500 is a true shingle-chip solution to record/playback subsystem for use with today's size-critical electronic products.
FEATURES • On-chip non-volatile 1M bit-cell Flash memory Program/Erase Cycles : 10,000 cycles Data Retention : 10 years • MCU Interface Serial Peripheral Interface (SPI; Mode 0) • Record/Playback Time Length (With the int.
Osc.
or ext.
clock at 8.
192 MHz) ap.
160 sec (At fsam = 6.
4 kHz) ap.
190 sec (At fsam = 5.
3 kHz) ap.
256 sec (At fsam = 4.
0 kHz) • Selectable Sampling Frequencies 4.
0 kHz, 5.
3 kHz, 6.
4 kHz • Maximum number of recording phrases: 320 phrases • Phrase Control Fully controllable with user-definable Start, Stop addresses • Built-in LPF/Smoothing Filter (LPF attenuation –40dB/oct) • Built-in Oscillation Circuit (8.
192 MHz), No oscillator required Optional external clock input (Clock Frequency 4.
0 MHz to 8.
192 MHz) • Power Supply : 2.
7 to 3.
3 V • Operating Temperature: –10 to +70°C (guaranteed for both function and voice quality) –40 to +85°C (guaranteed for function only) *Notice *Notice The voice quality can det...


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