MSM9844 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9844

VOICE SYNTHESIS LSI with on-chip FIFO Memory

Oki Electric Industry 

¡ Semiconductor

MSM9844

1) NOP Command

D7 D6 D5 D4 D3 D2 D1 D0

0

0

0

0

X

X

X

X NOP

11

1

0

X

X

X

X NOP

No particular function

Function

2) Sampling RATE Conversion Command

D7 D6 D5 D4 D3 D2 D1 D0

Function

0 0 0 1 L3 L2 L1 L0 Sampling RATE Conversion

By using this command you can select enable / disable Sampling Rate Conversion and input sampling

frequency when enable this function. Note that this command is enable with monaural playback.

L3

Function

0 NOT used Sampling Rate Conversion *

1 Used Sampling Rate Conversion

* Default

L2 L1 L0 Sampling Frequency

0 0 0 16.0 kHz

001

0 1 0 4.0 kHz

0 1 1 8.0 kHz

1 0 0 6.4 kHz

1 0 1 12.8 kHz

110

111

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