ST10F269ZX Datasheet, PDF (100/184 Pages) STMicroelectronics – 16-BIT MCU WITH MAC UNIT, 128K to 256K BYTE FLASH MEMORY AND 12K BYTE RAM

14 - SERIAL CHANNELS
ST10F269
Table 31 : Commonly Used Baud Rates by Reload Value and Deviation Errors (TQFP144 devices)
S0BRS = ‘0’, f_CPU = 32MHz
S0BRS = ‘1’, f_CPU = 32MHz
Baud Rate (Baud) Deviation Error Reload Value Baud Rate (Baud) Deviation Error Reload Value
4 000 000
224 000
112 000
56 000
38 400
19 200
9 600
4 800
2 400
1 200
600
490
±0.0%
+5.0% / -0.8%
+2.0% / -0.8%
+0.6% / -0.8%
+0.2% / -0.85%
+0.2% / -0.3%
+0.2% / -0.1%
+0.0% / -0.1%
+0.0% / -0.0%
+0.0% / -0.0%
+0.0% / -0.0%
+0.0% / -0.0%
0000h
0011h / 0012h
0023h / 0024h
0046h / 0047h
0077h / 0078h
00BFh / 00C0h
01A0h/ 01A1h
0340h / 0341h
0682h / 0683h
004h / 0D05h
1A0Ah / 1A0Bh
1FE2h / 1FE3h
2 666 667
224 000
112 000
56 000
38 400
19 200
9 600
4 800
2 400
1 200
600
320
±0.0%
+8.2% / -0.8%
+3.5% / -0.8%
+1.3% / -0.8%
+0.6% / -0.8%
+0.6% / -0.1%
+0.3% / -0.1%
+0.1% / -0.1%
+0.0% / -0.1%
+0.0% / -0.0%
+0.0% / -0.0%
+0.2%
0000h
000Bh / 000Ch
0017h / 0018h
002Fh / 0030h
0044h / 0045h
008Ah / 008Bh
0115h / 0116h
022Bh / 022Ch
0456h / 0457h
08ACh / 08ADh
115Bh / 115C7h
1FFFh
Note: The deviation errors given in the Table 31 are rounded. To avoid deviation errors use a Baud rate
crystal (providing a multiple of the ASC0/SSC sampling frequency)
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