ST STM32L0x3 Reference Manual page 830

Universal synchronous/asynchronous receiver transmitter (USART/UART)
Table 147. USART register map and reset values (continued)
Offset Register
USART_ISR
0x1C
Reset value
USART_ICR
0x20
Reset value
USART_RDR
0x24
Reset value
USART_TDR
0x28
Reset value
Refer to
830/1043
Section 2.2 on page 58
0 0 0 0 0 0 0 0 0
0 0
for the register boundary addresses.
RM0367 Rev 7
0 0 0 0 0 1 1 0 0
0 0 0 0 0 0
RDR[8:0]
X X X X X X X X X
TDR[8:0]
X X X X X X X X X
RM0367
0 0 0 0
0 0 0 0