ISD-T360 ETC [List of Unclassifed Manufacturers], ISD-T360 Datasheet - Page 18
![no-image](/images/no-image-200.jpg)
ISD-T360
Manufacturer Part Number
ISD-T360
Description
VoiceDSP Digital Speech Processor with Master/Slave, Full-Duplex Speakerphone, Multiple Flash and ARAM/DRAM Support
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.ISD-T360.pdf
(109 pages)
- Current page: 18 of 109
- Download datasheet (2Mb)
Flash Endurance
A Flash memory may be erased a limited num-
ber of times. To maximize the Flash use, the mem-
ory manager utilizes the Flash’s blocks evenly
(i.e., each block is erased more or less the same
number of times), to ensure that all blocks have
the same lifetime. Refer to the respective Flash
memory device data sheets for specific endur-
ance specifications.
A VoiceDSP processor message uses at least one
block.
1-10
Figure 1-9: Memory Interface with Four Toshiba 4Mbit Serial Flash Devices and
Optional IVS EPROM
The maximum recording time depends on four
factors:
1. The basic compression rate (5.3 Kbit/s,
2. The amount of silence in the recorded
3. The number of bad blocks.
9.9Kbit/s, or 16.8Kbit/s).
speech.
Voice Solutions in Silicon
1—HARDWARE
™
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