Contents

1. Ordering Information and Module Marking 2. Functional Overview 2.1. Block Diagram 2.2. Pin Description 3. Electrical Specifications 3.1. Absolute Maximum Ratings 3.2. Recommended Operating Conditions 3.3. DC Electrical Characteristics 3.3.1. Current Consumption in Various Device States 3.4. Receiver Performance 3.5. Transmitter Performance 3.6. SPI Timing Characteristics 4. CPU and Memory Subsystems 4.1. Processor 4.2. Memory Subsystem 4.3. Nonvolatile Memory (eFuse) 5. WLAN Subsystem 5.1. MAC 5.1.1. Description 5.1.2. Features 5.2. PHY 5.2.1. Description 5.2.2. Features 5.3. Radio 6. External Interfaces 6.1. Interfacing with the Host Microcontroller 6.2. SPI Client Interface 6.2.1. Overview 6.2.2. SPI Timing 6.3. UART Interface 6.4. GPIO Pins 7. Power Consumption 7.1. Description of Device States 7.2. Current Consumption in Various Device States 7.3. Restrictions for Power States 7.4. Power-up/down Sequence 7.5. Digital I/O Pin Behavior During Power-up Sequences 7.6. Module Reset 8. Notes On Interfacing to the ATWINC15x0-MR210xB 8.1. Programmable Pull-Up Resistors 9. Schematic Design Information 9.1. Application Schematic 10. Module Drawing 10.1. Module Footprint 11. Design Considerations 11.1. ATWINC15x0-MR210PB Placement and Routing Guidelines 11.2. Printed PCB Antenna Performance of ATWINC15x0-MR210PB 11.3. ATWINC15x0-MR210UB Placement and Routing Guidelines 11.4. Recommended External Antenna for ATWINC15x0-MR210UB 11.4.1. Antenna Placement Recommendations for ATWINC15x0-MR210UB 11.5. Module Assembly Considerations 11.6. Conformal Coating 11.7. Reflow Profile Information 12. Regulatory Approval 12.1. United States 12.1.1. Labeling and User Information Requirements 12.1.2. RF Exposure 12.1.3. Approved Antenna Types 12.1.4. Helpful Web Sites 12.2. Canada 12.2.1. Labeling and User Information Requirements 12.2.2. RF Exposure 12.2.3. Approved Antenna Types 12.2.4. Helpful Web Sites 12.3. Europe 12.3.1. Labeling and User Information Requirements 12.3.2. Conformity Assessment 12.3.2.1. Simplified EU Declaration of Conformity 12.3.3. Approved Antenna Types 12.3.4. Helpful Websites 12.4. Japan 12.4.1. Labeling and User Information Requirements 12.4.2. Helpful Web Sites 12.5. Korea 12.5.1. Labeling and User Information Requirements 12.5.2. Helpful Websites 12.6. Taiwan 12.6.1. Labeling and User Information Requirements 12.6.2. Helpful Web Sites 12.7. China 12.7.1. Labeling and User Information Requirements 12.8. Brazil 12.8.1. Helpful Web Sites 12.9. Other Regulatory Information 13. Reference Documentation and Support 13.1. Reference Documentation 14. Document Revision History The Microchip Website Product Change Notification Service Customer Support Microchip Devices Code Protection Feature Legal Notice Trademarks Quality Management System Worldwide Sales and Service