Module Overview ................................................................................................................................................................... 2
Table of Contents ................................................................................................................................................................... 3
List of Figures .......................................................................................................................................................................... 4
List of Tables ........................................................................................................................................................................... 4
Version History ....................................................................................................................................................................... 5
Block Diagram ......................................................................................................................................................................... 6
CPU ......................................................................................................................................................................................................... 6
Memory .................................................................................................................................................................................................. 6
Real Time Clock ..................................................................................................................................................................................... 6
PUF Unit ................................................................................................................................................................................................. 7
Security Subsystem ............................................................................................................................................................................... 7
Wi-Fi Subsystem .................................................................................................................................................................................... 7
UART Interface ....................................................................................................................................................................................... 7
GPIO Interface ....................................................................................................................................................................................... 7
I2C Interface ........................................................................................................................................................................................... 7
PWM Interface ....................................................................................................................................................................................... 8
SPI Interface .......................................................................................................................................................................................... 8
ADC Interface ......................................................................................................................................................................................... 8
Module Edge Pinout ............................................................................................................................................................... 9
Module Edge Pinout by Function ....................................................................................................................................... 12
ADC Interface ....................................................................................................................................................................................... 12
Debug Interface ................................................................................................................................................................................... 12
I2C Interface ......................................................................................................................................................................................... 12
INT Interface ........................................................................................................................................................................................ 12
Power Interface ................................................................................................................................................................................... 12
GPIO Interface ..................................................................................................................................................................................... 13
PWM Interface ..................................................................................................................................................................................... 13
Reset Interface ..................................................................................................................................................................................... 13
SPI Interface ........................................................................................................................................................................................ 14
UART Interface ..................................................................................................................................................................................... 14
Electrical Specifications ....................................................................................................................................................... 15
Absolute Maximum Rating ................................................................................................................................................................. 15
DC Electrical Characteristics .............................................................................................................................................................. 15
ESD Ratings .......................................................................................................................................................................................... 16
AC Electrical Characteristics .............................................................................................................................................................. 16
RF Electrical Characteristics ............................................................................................................................................................... 16
Mechanical Specifications ................................................................................................................................................... 17
Module Antenna Placement Requirements...................................................................................................................................... 18
Certification ........................................................................................................................................................................... 19
FCC Regulatory Disclosures................................................................................................................................................................ 19
Industry Canada Regulatory Disclosures ......................................................................................................................................... 20
EU Regulatory Disclosures ................................................................................................................................................................. 21
Ordering Information .......................................................................................................................................................... 22
Legal Information ................................................................................................................................................................. 23