C8051F574-IMR Silicon Labs, C8051F574-IMR Datasheet - Page 194
C8051F574-IMR
Manufacturer Part Number
C8051F574-IMR
Description
8-bit Microcontrollers - MCU 50 MIPS 16 kB 2 kB LIN 2.1 SPI
Manufacturer
Silicon Labs
Datasheet
1.C8051F556-IMR.pdf
(302 pages)
Specifications of C8051F574-IMR
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
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C8051F55x/56x/57x
20.2.4. Baud Rate Calculations—Automatic Mode
If the LIN controller is configured for slave mode, only the prescaler and divider need to be calculated:
The following example calculates the values of these variables for a 24 MHz system clock:
Table 20.3 presents some typical values of system clock and baud rate along with their factors.
194
SYSCLK
22.1184
11.0592
(MHz)
12.25
24.5
25
24
16
12
8
0
0
0
0
0
0
0
0
0
20 K
1
1
1
1
1
0
0
0
0
Table 20.2. Manual Baud Rate Parameters Examples
312
306
300
276
200
306
300
276
200
prescaler
0
0
0
0
0
0
0
0
0
divider
prescaler
divider
19.2 K
=
1
1
1
1
1
0
0
0
0
ln
=
=
325
319
312
288
208
319
312
288
208
24000000
------------------------- -
--------------------------------------------------------------------- -
2
4000000
=
---------------------------------------------
2
prescaler
ln
1
Rev. 1.1
24000000
+
SYSCLK
------------------------ -
Baud (bits/sec)
4000000
1
1
1
1
1
1
1
1
1
1
SYSCLK
9.6 K
20000
1
1
1
1
1
0
0
0
0
+
------- - 1
ln2
1
1
–
325
319
312
288
208
319
312
288
208
=
------- - 1
ln2
20000
1
=
300
1.585
–
3
3
3
3
3
3
3
3
3
4.8 K
1
1
1
1
1
0
0
0
0
1
325
319
312
288
208
319
312
288
208
19
19
19
19
19
19
19
19
19
1 K
1
1
1
1
1
0
0
0
0
312
306
300
276
200
306
300
276
200
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