Table 247. Usart / Lpuart Features - STMicroelectronics STM32WL5 Series Reference Manual

RM0453
36.3 LPUART implementation
The table(s) below describe(s) LPUART implementation. It(they) also include(s) USARTs for
comparison.
Hardware flow control for modem
Continuous communication using DMA
Multiprocessor communication
Synchronous mode (Master/Slave)
Smartcard mode
Single-wire Half-duplex communication
IrDA SIR ENDEC block
LIN mode
Dual clock domain and wake-up from low-power mode
Receiver timeout interrupt
Modbus communication
Auto baud rate detection
Driver Enable
USART data length
Tx/Rx FIFO
Tx/Rx FIFO size
Wake-up from Stop mode
1. X = supported.
2. Wake-up supported from Stop 0 and Stop 1 modes.
3. Wake-up supported from Stop 0, Stop 1 and Stop 2 modes.
Low-power universal asynchronous receiver transmitter (LPUART)

Table 247. USART / LPUART features

USART /LPUART modes/features
(1)
RM0453 Rev 5
USART1/2 LPUART1
X
X
X
X
X
X
X
X
X
X
X
X
X
7, 8 and 9 bits
X
8
(2)
X X
X
X
X
-
-
X
-
-
X
-
-
-
X
X
(3)
1203/1450
1253