Azurewave Usd-1212 Adapter Board User Guide (+ PDF)

Version	Revision Date	Description	Initials	Approved
A	2020/3/23	l Initial Version	Renton Tao	N.C. Chen
B	2020/5/3	l Update “2. uSD-1212 adapter board HW description”	JM.Pang	N.C. Chen
C	2020/5/15	l Format update	JM.Pang	N.C. Chen
D	2020/6/04	l Add “3. PCM UART extension” l Update “4. EVB Kits Contents”	JM.Pang	N.C. Chen
E	2020/7/17	l Add Block Diagram of AW-CM358- uSD	JM.Pang	N.C. Chen
F	2020/9/29	l Update 2.3 Schematics and 2.4 Placement l Update 2.2 HW introduction l Remove the content of PCM UART extension adapter board in 3. EVB Kits Contents	JM.Pang	N.C. Chen
G	2021/01/27	Add block diagram of AW-AM281-uSD	Grace Liu	N.C. Chen

1. Introduction

Azure

W ave provides uSD 1212 adapter board with Wi Fi/BT module solutions for NXP i.MX RT and i.MX6 Evaluation Kits. The uSD 1212 adapter board supports AW AM281SM (w/ NXP 88W8977) and AW CM358SM (w/ NXP 88W8987) Wi Fi combo BT module solutions.

WiFi through uSD interface is for AW-CM358SM and AW-AM281SM.
BT through UART is only for AW-CM358SM.
BT through uSD is only for AW-AM281SM.

Main chip	AzureWave Module	uSD Adaptor Board
NXP 88W8977	AW-AM281SM	AW-AM281-uSD
NXP 88W8987	AW-CM358SM	AW-CM358-uSD

1.1 Supported I/O to host

Micro SD (uSD) interface for Wi-Fi or WiFi/BT.
Arduino headers for Bluetooth through UART interface.
FFC connector for UART and other control signal.
Embedded UART-to-USB IC as an option for UART.
Other debug and power interface.

1.2 Supported I/O signal level

I/O\voltage level	1.8V	3.3V
SDIO(3.0/2.0)	V	V
UART	N/A	V

1.3 Supported RF standards

Model \ Standards	Wi-Fi*	BT*
AW-AM281SM	1×1 Wi-Fi 4 (2.4/5GHz)	5.0
AW-CM358SM	1×1 Wi-Fi 5 (2.4/5GHz)	5.0

*Connecting with i-pex gen 4 RF connector

2. uSD-1212 Adapter Board
2.1 Block Diagram

For AW AM 281 uSD

AW-AM281SM-uSD Block Diagram

For AW CM358 uSD

AW-CM358-uSD Block Diagram

2.2 HW Description

VIO for SDIO voltage level options

For 3.3V supply, please connect J4 (2-3).
For 1.8V supply, please connect J4 (1-2). 3.3V power source is configured from SDIO connector as default.

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of AzureWave.

UART signal is configured from FFC connector at BOT side as default. By using headers for Bluetooth through UART interface

UART_RTS: J7 (pin 3) or J10 (pin 6)
UART_TXD: J8 (pin 1) or J10 (pin 4)
UART_CTS: J7 (pin 4) or J10 (pin 8)
UART_RXD: J8 (pin 2) or J10 (pin 2)

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of AzureWave.

PCM signal is configured from FFC connector at BOT side as default. By using headers for PCM interface

PCM_IN: J11 (pin 1)
PCM_OUT: J11 (pin 2)
PCM_SYNC: J11 (pin 3)
PCM_CLK: J11 (pin 4)

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.

2.3 Schematics

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of AzureWave.

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.

2.4 Placement

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.

3. EVB Kits Contents

The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or disclosed
in whole or in part without prior written permission of AzureWave.