MSM9831 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9831

VOICE SYNTHESIS LSI with on-chip 384Kbit MASK ROM

Oki Electric Industry 

¡ Semiconductor

TIMING DIAGRAMS

1. Power-On

VDD

PDWN (I)

ST

(I)

PI

(I)

tRST

tPDH

Reset Power Down

MSM9831-xxx

Note: A level input in combination of PDWN="L", ST="L" and PI="H" resets the LSI.

After Power-On, you need to do an initial reset as shown in the above chart.

2. Activating the LSI and Standby Mode

PDWN (I)

AOUT (O)

1

2

IAOUT

tDAR

tDAF

7/22

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