ST STM32L1 Series Application Note page 43

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Table 20. U(S)ART differences between STM32L1 Series and STM32L4 Series (continued)
U(S)ART
Features
Configuration
Color key:
= New feature or new architecture (difference between STM32L1 and STM32L4 Series)
= Same feature, but specification change or enhancement
= Feature not available (NA)
= Difference between STM32L1 and STM32L4 Series highlight
STM32L1 Series
NA
-
DocID027094 Rev 3
Peripheral migration
STM32L4 Series
Wakeup from STOP mode
(Start Bit, Received Byte, Address match).
Support for ModBus communication:
– Timeout feature
– CR/LF character recognition.
Receiver timeout interrupt (except LPUART).
Auto baud rate detection (except LPUART).
Driver enable.
Swappable Tx/Rx pin configuration.
LPUART does not support Synchronous mode
(SPI master), Smartcard mode, IrDA, LIN,
ModBus, Receiver timeout interrupt, Auto baud
rate detection.
L1 registers and associated bits are not
identical in STM32L4 Series.
Please refer to STM32L4 reference manuals
for details.
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