MSM6679AL-110 Voice Recognition Processor

¡ Semiconductor

Contents

General Description ........................................................................................................................... 1

Features ................................................................................................................................................ 1

Functional and I/O Diagrams .......................................................................................................... 2

Pin Descriptions ................................................................................................................................. 6

Electrical Specifications ..................................................................................................................... 10

Absolute Maximum Ratings ............................................................................................ 10

Operating Conditions ....................................................................................................... 10

DC Characteristics (VDD = 2.7 to 5.5 V, Ta = -30 to 70˚C) .......................................... 11

AC Characteristics ............................................................................................................ 12

Timing Diagram ................................................................................................................ 13

System Configuration Example ....................................................................................................... 14

Functional Description ...................................................................................................................... 15

Voice Recognition ............................................................................................................. 15

SI Recognition ................................................................................................... 15

SD Recognition ................................................................................................. 18

Name Tag Recording ........................................................................................................ 19

Audio Input Interface ....................................................................................................... 19

Audio Output Interface .................................................................................................... 19

Memory Interface .............................................................................................................. 19

External Voice Synthesis Control ................................................................................... 21

Serial Interface ................................................................................................................... 22

MSM6679AL-110 Slave-Mode API .................................................................................................. 23

Command Summary ........................................................................................................ 24

Command Descriptions ................................................................................................... 28

Asynchronous Serial Protocol Example ........................................................................ 40