DRA821U2...ALM datasheet(4/252 Pages) TI

4 / 252 page

Table of Contents

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

2 Applications..................................................................... 2

3 Description.......................................................................2

3.1 Functional Block Diagram........................................... 2

4 Revision History.............................................................. 5

5 Device Comparison......................................................... 8

5.1 Related Products........................................................ 9

6 Terminal Configuration and Functions........................10

6.1 Pin Diagram.............................................................. 10

6.2 Pin Attributes.............................................................11

6.3 Signal Descriptions................................................... 48

6.4 Pin Multiplexing.........................................................82

6.5 Connections for Unused Pins................................... 91

7 Specifications................................................................ 94

7.1 Absolute Maximum Ratings...................................... 94

7.2 ESD Ratings............................................................. 96

7.3 Recommended Operating Conditions.......................96

7.4 Power-On-Hours (POH)............................................98

7.5 Operating Performance Points..................................98

7.6 Electrical Characteristics...........................................99

7.7 VPP Specifications for One-Time Programmable

(OTP) eFuses............................................................106

7.8 Thermal Resistance Characteristics....................... 107

7.9 Timing and Switching Characteristics..................... 108

8 Detailed Description....................................................220

8.1 Overview................................................................. 220

8.2 Processor Subsystems........................................... 221

8.3 Other Subsystems.................................................. 221

9 Applications, Implementation, and Layout............... 228

9.1 Power Supply Mapping........................................... 228

9.2 Device Connection and Layout Fundamentals....... 232

9.3 Peripheral- and Interface-Specific Design

Information................................................................ 232

10 Device and Documentation Support........................239

10.1 Device Nomenclature............................................239

10.2 Tools and Software............................................... 243

10.3 Documentation Support........................................ 244

10.4 Support Resources............................................... 244

10.5 Trademarks...........................................................244

10.6 Electrostatic Discharge Caution............................244

10.7 Glossary................................................................244

11 Mechanical, Packaging, and Orderable

Information.................................................................. 245

11.1 Packaging Information.......................................... 245

DRA821U-Q1

SPRSP57D – APRIL 2020 – REVISED DECEMBER 2022

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