User's Manual
Table Of Contents
- 1. Introduction
- 1.1 Overview
- 1.2 Applications
- 1.3 Key Features
- 2. Product Overview
- 2.1 Product Picture
- 2.2 Block Diagram
- 3. Electrical Characteristics
- 3.1 Absolute Maximum Ratings – Voltage & Current
- 3.2Current consumption
- 3.3 Absolute maximum ratings – Temperature
- 3.4Absolute maximum ratings – ESD
- 4. RF Characteristics
- 4.1Basic Characteristics
- 4.2 IEEE802.11b Mode
- 4.3 IEEE802.11g Mode
- 4.4 IEEE802.11n 20Mhz Bandwidth Mode
- 4.5 IEEE802.11n 40Mhz Bandwidth Mode
- Mechanical Characteristics
- 6. Module Interfaces
- 6.1 PIN Layout
- 6.2 PIN Definitions
- 7. Reference Design
- 8.1 Antenna Selection
- 8.2 Minimizing Radio Interference
- 8.3 Specification of On-Board Antenna
- Appendix A Glossary（Quentin respible）
- Appendix B Reference paper（Quentin respible）
- Contact Us
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Pin4
UART_TX
UART Only for Passthrough
GPIO22
I/O
Pin5
UART_RX
UART Only for Passthrough
GPIO21
I/O
Pin6
TX2
UART Only for Passthrough
GPIO12
I/O
I2S_TX
I2S Port
Pin7
RX2
UART Only for Passthrough
GPIO11
I/O
I2S_RX
I2S Port
Pin8
RTC_EINT
Wake up only for module RTC mode
Pin9
GPIO4
I/O
I2S_MCLK
I2S Port
Pin10
GPIO3
I/O
TX1
UART Only for Passthrough
I2S_CK
I2S Port
Pin11
GPIO2
I/O
RX1
UART Only for Passthrough
Pin12
GPIO13
I/O
I2S_WS
I2S Port
Pin13
VCC
3.3V
Pin14
GND
Pin15
GPIO14
I/O
Pin16
GPIO17
I/O
AUXADC0
Pin17
I2C1_SCL
I2CPort
GPIO15
I/O
Pin18
I2C1_SDA
I2C Port
GPIO16
I/O