RM0367 Rev 7 843/1043
RM0367 Low-power universal asynchronous receiver transmitter (LPUART)
872
Table 149. Error calculation for programmed baud rates at f
ck
= 32.768 kHz
Baud rate f
CK
= 32.768 kHz
S.No Desired Actual
Value programmed in the baud
rate register
% Error = (Calculated - Desired)
B.rate / Desired B.rate
1 300 baud 300 baud 0x6D3A 0
2 600 baud 600 baud 0x369D 0
3 1200 baud 1200.087 baud 0x1B4E 0.007
4 2400 baud 2400.17 baud 0xDA7 0.007
5 4800 baud 4801.72 baud 0x6D3 0.035
6 9600 baud 9608.94 baud 0x369 0.093
Table 150. Error calculation for programmed baud rates at f
ck
= 32 MHz
Baud rate
f
CK
= 32.768 kHz
Desired Actual
Value programmed in the baud
rate register
% Error = (Calculated - Desired)
B.rate / Desired B.rate
9600 baud 9608.94 baud D0555 0.00004
19200 19200,030 682AA 0,0001
38400 38400,06 34155 0,0001
57600 57600,09 22B8E 0,0001
115200 115200,18 115C7 0,0001
230400 230403,60 8AE3 0,0015
460800 460820,16 4571 0,004
921600 921692,17 22B8 0,01
4000000 4000000,00 800 0
10000000 10002442,00 333 0,024