Delta MS210 User Manual download pdf (Page 30)

MS210

MS210 DS004 www.mshinetek.com

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The above information is the exclusive intellectual property of M-Shine Technologies Corporation and shall not be disclosed, distributed without permission

rom M-

hine.

ADPCM Coder and Decoder (CODEC)

MS210 has built-in ADPCM codec for saving the space of SPI Flash Memory. The CODEC is suitable for

speech signal. MSHINE provide a tool program that can code a sound file manually to MS210’s format and

can be used for 2-segment applications.

Note that coder and decoder can not work at the same time. MS210 will not enable CODEC in Pure-Amplifier

Mode.

Sample Rate and Resistor

For different sample rate, resistor of correct value should connect to OSCO pin. The recommend value is as

below (At 3.0V):

SAMPLE RATE (KHZ) 8.0 6.0 10.0 12.0 16.0

Typical

Resistor (K Ohms)

91 120 73 62 47

Double Sample Rate Configuration

In 2 Segment mode, playing the “preload” segment may use different sample rate from default one. That is,

MS210 may play the preload song with higher sample rate and record the “high” address segment with lower

sample rate. The following configuration will have preload song played at 22 KHz and record/play the voice

at 12.0 KHz.

Figure 24. Example Double Sample Rate Configuration.

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Delta MS210 User Manual Page 30

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