Data Sheet

22
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
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.
3.4.2 UART Interface
High-Speed UART interface
The AW-CM358SM supports a high-speed Universal Asynchronous Receiver/ Transmitter (UART)
interface, compliant to the industry standard 16550 specification.
 FIFO mode permanently selected for transmit and receive operations.
 2 pins for transmit and receive operations.
 2 flow control pins.
 Interrupt triggers for low-power, internal CPU (for debug purposes).
 Support diagnostic tests.
 Support data input/ output operations for peripheral devices connected through a standard
UART interface.
UART Interface Signals
Pin
Number
Signal Name
16550
Standard
Name
Type
Description
42
UART_SOUT
SOUT
O
Serial data
43
UART_SIN
SIN
I
Serial data
44
UART_CTSn
CTSn
I
Clear To Send
41
UART_RTSn
RTSn
O
Request To Send
UART Baud Rates Supported
Baud Rate
1200
38400
460800
1500000
3000000
2400
57600
500000
1843200
3250000
4800
76800
921600
2000000
3692300
9600
115200
1000000
2100000
4000000
19200
230400
1382400
2764800
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