Quectel QuecOpen BG952A-GL, Проектирование аппаратного обеспечения

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LPWA Module Series
BG952A-GL_QuecOpen_Hardware_Design 14 / 72
2
BG952A-GL supports two CLI UART interfaces, more precisely, pin 27 (CLI_TXD1) and pin 28 (CLI_RXD1) are
connected to pin 95 (CLI_TXD2) and pin 94 (CLI_RXD2) respectively inside the module.

115200 bps baud rate by default

The default frame format is 8N1 (8 data bits, no parity, 1 stop
bit)115200 bps baud rate by default
CLI UART 2 :

Used for firmware upgrade, software debugging, log output, GNSS
data and NMEA sentence output

Supports RTS and CTS hardware flow control

Default frame format: 8N1 (8 data bits, no parity, 1 stop bit)

Supports RTS and CTS hardware flow control
SPI Interfaces
Supports 3 SPI interfaces, 2 SPI master and 1 SPI slave, which can be
multiplexed from GPIOs.
MCU SPIM0:

Supports master mode only

Up to 25 MHz
MCU SPIM1:

Supports master mode only

Up to 25 MHz
MCU SPIS:

Supports slave mode only

Up to 25 MHz
I2C Interface

Supports 2 channels of MCU I2C interfaces
GNSS

GPS, GLONASS
AT Commands

3GPP TS 27.007 and 3GPP TS 27.005 AT commands

Quectel enhanced AT commands
Network Indication One NET_STATUS pin for network connectivity status indication
Antenna Interfaces

Main antenna interface (ANT_MAIN)

GNSS antenna interface (ANT_GNSS)
Physical Characteristics

Dimensions: (23.6 ±0.2) mm × (19.9 ±0.2) mm × (2.2 ±0.2) mm

Weight: approx. 2.15 g
Temperature Range

Operating temperature range: -35 °C to +75 °C 2)

Extended temperature range: -40 °C to +85 °C
3)

Storage temperature range: -40 °C to +90 °C
Firmware Upgrade

CLI UART interface

USB interface *

DFOTA
RoHS All hardware components are fully compliant with EU RoHS directive
NOTES