ST10F269Z1Q3 datasheet(100/184 Pages) STMICROELECTRONICS

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14 - SERIAL CHANNELS

ST10F269

100/184

Table 31 : Commonly Used Baud Rates by Reload Value and Deviation Errors (TQFP144 devices)

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)

S0BRS = ‘0’, fCPU = 32MHz

S0BRS = ‘1’, fCPU = 32MHz

Baud Rate (Baud)

Deviation Error

Reload Value

Baud Rate (Baud)

Deviation Error

Reload Value

4 000 000

±0.0%

0000h

2 666 667

±0.0%

0000h

224 000

+5.0% / -0.8%

0011h / 0012h

224 000

+8.2% / -0.8%

000Bh / 000Ch

112 000

+2.0% / -0.8%

0023h / 0024h

112 000

+3.5% / -0.8%

0017h / 0018h

56 000

+0.6% / -0.8%

0046h / 0047h

56 000

+1.3% / -0.8%

002Fh / 0030h

38 400

+0.2% / -0.85%

0077h / 0078h

38 400

+0.6% / -0.8%

0044h / 0045h

19 200

+0.2% / -0.3%

00BFh / 00C0h

19 200

+0.6% / -0.1%

008Ah / 008Bh

9 600

+0.2% / -0.1%

01A0h/ 01A1h

9 600

+0.3% / -0.1%

0115h / 0116h

4 800

+0.0% / -0.1%

0340h / 0341h

4 800

+0.1% / -0.1%

022Bh / 022Ch

2 400

+0.0% / -0.0%

0682h / 0683h

2 400

+0.0% / -0.1%

0456h / 0457h

1 200

+0.0% / -0.0%

004h / 0D05h

1 200

+0.0% / -0.0%

08ACh / 08ADh

600

+0.0% / -0.0%

1A0Ah / 1A0Bh

600

+0.0% / -0.0%

115Bh / 115C7h

490

+0.0% / -0.0%

1FE2h / 1FE3h

320

+0.2%

1FFFh

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