MT7697DN datasheet(3/84 Pages) ETC2

3 / 84 page

MT7697D

Internet-of-Things Wireless Connectivity

Page 3 of 84

This document contains information that is proprietary to MediaTek Inc. (“MediaTek”) and/or its licensor(s).

Any unauthorized use, reproduction or disclosure of this document in whole or in part is strictly prohibited.

Table of Contents

Document Revision History............................................................................................................. 2

Table of Contents............................................................................................................................ 3

List of Tables................................................................................................................................... 6

List of Figures.................................................................................................................................. 7

System Overview................................................................................................................... 9

1.1 General Description.............................................................................................................. 9

1.2 Features................................................................................................................................ 9

1.2.1

Technology and package...................................................................................... 9

1.2.2

Power management and clock source.................................................................9

1.2.3

Platform ............................................................................................................... 9

1.2.4

WLAN ................................................................................................................. 10

1.2.5

Bluetooth ........................................................................................................... 10

1.2.6

Miscellaneous .................................................................................................... 10

1.3 Applications........................................................................................................................ 10

1.4 Block Diagram..................................................................................................................... 11

Functional Description......................................................................................................... 12

2.1 Overview............................................................................................................................. 12

2.2 Power Management Unit................................................................................................... 12

2.2.1

PMU Architecture .............................................................................................. 12

2.2.2

Chip Power Plan ................................................................................................. 13

2.2.3

Digital Power Domain and Power States ...........................................................13

2.3 Clock and Reset Generation ............................................................................................... 17

2.3.1

Clock................................................................................................................... 17

2.3.2

Reset................................................................................................................... 20

2.4 Application Processor Subsystem ...................................................................................... 20

2.4.1

CPU..................................................................................................................... 20

2.4.2

Cache and Tightly Coupled Memory..................................................................21

2.4.3

Bus Fabric ........................................................................................................... 22

2.4.4

Serial Flash Controller ........................................................................................ 23

2.4.5

DMA ................................................................................................................... 23

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