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Low Power 802.11b/g/n20 Wi-Fi Module
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Table Of Contents
Table of Contents
About This Manual
Revision History
Ordering Information
Chapter 1 GS2101M Overview
1.1 Product Overview
1.2 GS2101M Module Product Features
Chapter 2 GS2101M Architecture
2.1 Architecture Description
2.1.1 Wireless LAN and System Control Subsystem
2.1.2 On-board Antenna / RF Port / Radio
2.1.2.1 802.11 MAC
2.1.2.2 802.11 PHY
2.1.2.3 RF/Analog
2.1.3 Network Services Subsystem
2.1.3.1 APP CPU
2.1.3.2 Crypto Engine
2.1.4 Memory Subsystem
2.1.4.1 SRAM
2.1.4.2 ROM
2.1.4.3 OTP ROM
2.1.4.4 Flash Interface
2.1.5 Clocks
2.1.6 Real Time Clock (RTC) Overview
2.1.6.1 RTC Main Features
2.1.6.2 Real Time Clock Counter
2.1.6.3 RTC I/O
2.1.7 GS2101M Peripherals
2.1.7.1 SDIO Interface
2.1.7.2 SPI Interface
2.1.7.3 UART Interface
2.1.7.4 I2C Interface
2.1.7.5 GPIO
2.1.7.6 Sigma Delta ADC
2.1.7.7 PWM
2.1.8 System States
2.1.9 Power Supply
Chapter 3 Pin-out and Signal Description
3.1 GS2101Mxx Device Pin-out
3.1.1 GS2101Mxx Module Pins Description
Errata
3.1.2 GS2101M Pin MUX Function
3.1.3 GS2101M Program and Code Restore Options
Chapter 4 Electrical Characteristics
4.1 Absolute Maximum Ratings
4.2 Operating Conditions
4.3 I/O DC Specifications
4.3.1 I/O Digital Specifications (Tri-State) Pin Types 4mA, 12mA, and 16mA
4.3.1.1 I/O Digital Specifications for VDDIO=2.7V to 3.6V
4.3.2 RTC I/O Specifications
4.4 Power Consumption
4.5 802.11 Radio Parameters
4.6 Sigma Delta ADC Parameters
Chapter 5 Package and Layout Guidelines
5.1 GS2101Mxx Recommended PCB Footprint and Dimensions
5.1.1 Surface Mount Assembly
GS2101M Low Power WiFi Module Data Sheet
Package and Layout Guidelines
GS2101Mxx Recommended PCB Footprint and
GS2101M-DS-001270, Release 1.0
Confidential
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Figure 8 Module Moistur
e Conditions
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