User's Manual

Table of Contents
1. Overview 1................................................................................................................................
2. Pin Description 5......................................................................................................................
3. Functional Description 7..........................................................................................................
! 7"..........................................................................................................................
7"
3.1. CPU
3.2.
Memory
.................................................................................................................................
3.2
.1. Internal SRAM and ROM
" ...........................................................................................7 "
" ....................................................................................................................7"
! 8"......................................................................................................................
3.2.2. SPI Flash
3.3. Crystal Oscillator
3.4. Interface Description
! 8"................................................................................................................
4.
Electrical Characteristics ......................................................................................................9
4.1. Electrical Characteristics
" ..........................................................................................................9"
4.2. Wi-Fi Radio
" ..............................................................................................................................9"
4.3. Power Consumption
" .................................................................................................................10
4.4. Reflow Profile!
...........................................................................................................................11"
4.5. Electrostatic Discharge!
..........................................................................................................12"
5.
Dimensions ..........................................................................................................................
13
6. Recommended PCB Land Pattern .....................................................................................1
4