RM0453 Rev 5 1203/1450
RM0453 Low-power universal asynchronous receiver transmitter (LPUART)
1253
36.3 LPUART implementation
The table(s) below describe(s) LPUART implementation. It(they) also include(s) USARTs for
comparison.
Table 247. USART / LPUART features
USART /LPUART modes/features
(1)
1. X = supported.
USART1/2 LPUART1
Hardware flow control for modem X X
Continuous communication using DMA X X
Multiprocessor communication X X
Synchronous mode (Master/Slave) X -
Smartcard mode X -
Single-wire Half-duplex communication X X
IrDA SIR ENDEC block X -
LIN mode X -
Dual clock domain and wake-up from low-power mode X X
Receiver timeout interrupt X -
Modbus communication X -
Auto baud rate detection X -
Driver Enable X X
USART data length 7, 8 and 9 bits
Tx/Rx FIFO X X
Tx/Rx FIFO size 8
Wake-up from Stop mode X
(2)
2. Wake-up supported from Stop 0 and Stop 1 modes.
X
(3)
3. Wake-up supported from Stop 0, Stop 1 and Stop 2 modes.
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