SPRABJ8B September   2022  – November 2023 AM2631 , AM2631-Q1 , AM2632 , AM2632-Q1 , AM2634 , AM2634-Q1 , AM263P4 , AM263P4-Q1

1.   1
2.   Abstract
3.   Trademarks
4. 1 Introduction
   1. 1.1 Acronyms
5. 2 Power
   1. 2.1 Discrete DC-DC Power Solution
   2. 2.2 Integrated PMIC Power Solution
   3. 2.3 Power Decoupling and Filtering
   4. 2.4 Power Consumption
   5. 2.5 Power Distribution Network
      1. 2.5.1 Simulations
         1. 2.5.1.1 Core Digital Power 1.2 V
         2. 2.5.1.2 Digital/Analog I/O Power 3.3 V
   6. 2.6 e-Fuse Power
6. 3 Clocking
   1. 3.1 Crystal and Oscillator Input Options
   2. 3.2 Output Clock Generation
   3. 3.3 Crystal Selection and Shunt Capacitance
   4. 3.4 Crystal Placement and Routing
7. 4 Resets
8. 5 Bootstrapping
   1. 5.1 SOP Signal Implementation
   2. 5.2 OSPI/QSPI Memory Implementation
   3. 5.3 ROM OSPI/QSPI Boot Requirements
9. 6 JTAG Emulators and Trace
10. 7 Multiplexed Peripherals
11. 8 Digital Peripherals
    1. 8.1 General Digital Peripheral Routing Guidelines
12. 9 Analog Peripherals
    1. 9.1 General Analog Peripheral Routing Guidelines
       1. 9.1.1 Resolver ADC Routing Guidelines
13. 10Layer Stackup
    1. 10.1 Key Stackup Features
14. 11Vias
15. 12BGA Power Fan-Out and Decoupling Placement
    1. 12.1 Ground Return
    2. 12.2 1.2 V Core Digital Power
       1. 12.2.1 Key Layout Considerations
    3. 12.3 3.3 V Digital and Analog Power
       1. 12.3.1 Key Layout Considerations
    4. 12.4 1.8 V Digital and Analog Power
       1. 12.4.1 Key Layout Considerations
16. 13References
17.   Revision History