CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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应用
接口
USB driver: Supports Windows XP, Windows 7,
Windows 10, Windows CE 5.0/6.0/7.0, Linux 2.6 or
higher
Android 2.3/4.0/4.2/4.4/5.0/6.0/7.1, etc.
UART interface
Main serial port (4 lines):
Support RTS and CTS hardware flow control
For AT commands and data transfer
The baud rate is up to 921600bps and the default is
115200bps.
Debug serial port (2 lines):
Used for debugging information output, printing
module logs
The default baud rate is 115200bps
PCM interface
For audio, external codec chip
Supports 8-bit A-law, U-law and 16-bit linear
encoding formats
Support short frame mode
Support main mode
SDIO interface
External WLAN chip, interface voltage 1.8V.
Compliant with SDIO 3.0 protocol
Comply with IEEE 802.11 standard
I2C interface
Compliant with I2C bus protocol
High speed mode supports 3.3Mbps rate
ADC interface
Supports two 12-bit sampling ADCs,
Voltage input range 0~1.3V
Network indication
NET_STATUS network status indication
NET_MODE network registration status indication
STATUS module operating status indication
General purpose
GPIO
WAKEUP_IN sleep mode control, low level wake-up
module
AP_READY sleep state detection
W_DISABLE# flight mode control
Frequency band
LTE-TDD:B34/B38/B39/B40/B41
LTE-FDD:B1/B3/B5/B8
