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ST10F272B Fiches technique(PDF) 74 Page - STMicroelectronics

No de pièce ST10F272B
Description  16-bit MCU with 256 Kbyte Flash memory and 12/20 Kbyte RAM
PDF  181 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST10F272B Fiches technique(HTML) 74 Page - STMicroelectronics

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Table 44 and Table 45 list some possible Baud rates against the required reload values and
the resulting bit times for 40 MHz and 64 MHz CPU clock respectively. The maximum is
anyway limited to 8Mbaud.
Table 44.
Synchronous baud rate and reload values (fCPU = 40 MHz)
Baud Rate
Bit Time
Reload Value
Reserved
---
0000h
Can be used only with fCPU = 32 MHz (or
lower)
---
0001h
6.6M Baud
150ns
0002h
5M Baud
200ns
0003h
2.5M Baud
400ns
0007h
1M Baud
1
µs
0013h
100K Baud
10
µs00C7h
10K Baud
100
µs07CFh
1K Baud
1ms
4E1Fh
306 Baud
3.26ms
FF4Eh
Table 45.
Synchronous baud rate and reload values (fCPU = 64 MHz)
Baud Rate
Bit Time
Reload Value
Reserved
---
0000h
Can be used only with fCPU = 32 MHz (or
lower)
---
0001h
Can be used only with fCPU = 48 MHz (or
lower)
---
0002h
8M Baud
125ns
0003h
4M Baud
250ns
0007h
1M Baud
1
µs
001Fh
100K Baud
10
µs
013Fh
10K Baud
100
µs0C7Fh
1K Baud
1ms
7CFFh
489 Baud
2.04ms
FF9Eh



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