Quectel QuecOpen AG525R-GL Hardware Design page 19

SMS
(U)SIM Interfaces
Audio Features
I2S Interface
PCM Interface
USB Interfaces
UART Interfaces
SDIO Interface
SPI Interfaces
I2C Interface
RGMII Interface
Wireless Connectivity
Interface*
AG525R-GL_QuecOpen_Hardware_Design
 Text and PDU modes
 Point to point MO and MT
 SMS cell broadcast
 SMS storage: ME by default
Support USIM/SIM card: 1.8/3.0 V
 Provide one digital audio interface: I2S interface
 GSM: HR/FR/EFR/AMR/AMR-WB
 WCDMA: AMR/AMR-WB
 LTE: AMR/AMR-WB
 Support echo cancellation and noise suppression
Used for external codec function
 Used for external BT function
 Support 16-bit linear data format
 Support long frame sync and short frame sync
 Support master and slave modes, but must be the master in long
frame sync
 USB 3.0 and 2.0 interfaces (slave mode by default; support USB
master mode), with maximum transmission rates up to 5 Gbps on
USB 3.0 and 480 Mbps on USB 2.0
 Used for AT command communication, data transmission, firmware
upgrade, software debugging, and voice over USB*
Support USB serial drivers for: Windows 7/8/8.1/10, Linux 2.6~5.4,

and Android 4.x/5.x/6.x/7.x/8.x/9.x
UART1:
 Baud rate reach up to 921600 bps, 115200 bps by default
 Support RTS and CTS hardware flow control
BT UART:
Baud rate reach up to 921600 bps, 115200 bps by default

 Support RTS and CTS hardware flow control
Debug UART:
 Used for Linux console and log output, 115200 bps baud rate
Support eMMC 4.5.1
Support master mode only

 Maximum clock frequency rate: 50 MHz
Compliant with I2C specification version 3.0

Multi-master is not supported

 Used for codec configuration by default
Support 10/100/1000 Mbps
 PCIe (Gen2) interface for WLAN
UART & PCM interfaces for Bluetooth*

Automotive Module Series
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