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S5A1903X01-E0R0 Datasheet

  • S5A1903X01-E0R0

  • DATA PROCESSOR

  • 20頁

  • SAMSUNG   SAMSUNG

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DATA PROCESSOR
S5A1903X01
INTRODUCTION
32-LQFP
The S5A1903X01 implements the voice intelligibility processor (VIP).
The VIP is a signal processing algorithm designed to increase the
intelligibility of human speech in a high ambient noise environment.
Unlike noise cancellation or adaptive speech filtering systems, VIP
operates on the speech signal only and is totally independent of the
noise. This approach makes speech clearer and easier to understand
regardless of the characteristics of the noise source, and eliminates
the need for processing of the noise signal.
In addition to VIP, the S5A1903X01 includes voice equalizer. The
equalizer is composed of four different frequency bands, and each
band is controlled between +12dB and -12dB. Thus, it can be used to
compensate of speaker characteristics.
The Figure 1 shows how the S5A1903X01 interfaces to Vocoder and Codec in cellular phone.
MAIN FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
IP Mode
Equalizer Mode
16-bit Fixed Point DSP Core
Two Internal 256-word Data RAM
2K-word Internal Program ROM
Wide Range of System Clock
: 8 - 40 MHz
鈥?PCM Input/ Output Interface
鈥?I
2
C Host Interface
鈥?Low Power Consumption
less than 4mA in working mode
10uA in sleep mode
鈥?Packages: 32-LQFP/ 32-BCC
鈥?3V Single Power Supply
ORDERING INFORMATION
Device
S5A1903X01-E0R0
Package
32 LQFP
Temperature Range
0擄C
鈭?/div>
70擄C
APPLICATIONS
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Cellular Phone
Wireless and Traditional Telephone
1

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