ST STM32F410 User Manual

Universal synchronous receiver transmitter (USART) /universal asynchronous receiver transmit-
650/771 RM0401 Rev 3
15 7.168 MBps NA NA NA 7 MBps 1.5 2.34
16 7.3728 MBps NA NA NA 7.636 MBps 1.375 3.57
18 9 MBps NA NA NA 9.333 MBps 1.125 3.7
20 10.5 MBps NA NA NA 10.5 MBps 1 0
1. The lower the CPU clock the lower the accuracy for a particular baud rate. The upper limit of the achievable baud rate can
be fixed with these data.
2. Only USART1 and USART6 are clocked with PCLK2. Other USARTs are clocked with PCLK1. Refer to the device
datasheets for the maximum values for PCLK1 and PCLK2.
Table 116. Error calculation for programmed baud rates at f
PCLK
= 42 MHz or f
PCLK
= 84 MHz,
oversampling by 8
(1)(2)
(continued)
Oversampling by 8 (OVER8=1)
Baud rate f
PCLK
= 42 MHz f
PCLK
= 84 MHz
S.No Desired Actual
Value
programmed
in the baud
rate register
% Error =
(Calculated -
Desired)B.Rate
/Desired B.Rate
Actual
Value
programmed
in the baud
rate register
%
Error
Table 117. Error calculation for programmed baud rates at f
PCLK
= 100 MHz or f
PCLK
= 50 MHz,
oversampling by 16
(1)(2)
Oversampling by 16 (OVER16=1)
Baud rate f
PCLK
= 100 MHz f
PCLK
= 50 MHz
S.No Desired Actual
Value
programmed
in the baud
rate register
% Error =
(Calculated -
Desired)B.Rate
/Desired B.Rate
Actual
Value
programmed
in the baud
rate register
%
Error
1 9.600 KBps 9.601 KBps 651 0.006 9.601 KBps 325.5 0.006
2 19.200 KBps 19.201 KBps 325 0.006 19.201 KBps 162.75 0.006
3 38.400 KBps 38.402 KBps 162.75 0.006 38.402 KBps 81.375 0.006
4 57.600 KBps 57.603 KBps 108.5 0.006 57.603 KBps 54.25 0.006
5 115.200 KBps 115.207 KBps 54.25 0.006 115.207 KBps 27.125 0.006
6 230.400 KBps 230.414 KBps 27.125 0.006 230.414 KBps 13.5625 0.006
7 460.800 KBps 460.829 KBps 13.5625 0.006 462.962 KBps 6.75 0.47
8 921.600 KBps 925.925 KBps 6.75 0.470 925.925 KBps 3.375 0.47
9 3.125 MBps 3.125 MBps 2 0 3.125 MBps 1 0
10 4.000 MBps 4.000 MBps 1.5625 0 NA NA NA
11 6.250 MBps 6.250 MBps 1 0 NA NA NA
1. The lower the CPU clock the lower the accuracy for a particular baud rate. The upper limit of the achievable baud rate can
be fixed with these data.
2. Only USART1 and USART6 are clocked with PCLK2. Other USARTs are clocked with PCLK1. Refer to the device
datasheets for the maximum values for PCLK1 and PCLK2.

ST STM32F410 Specifications

General

Brand	ST
Model	STM32F410
Category	Microcontrollers
Language	English