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ST7MC1K2-Auto датащи(PDF) 176 Page - STMicroelectronics

номер детали ST7MC1K2-Auto
подробное описание детали  Clock, reset and supply management
PDF  371 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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ST7MC1K2-Auto датащи(HTML) 176 Page - STMicroelectronics

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Obsolete
Product(s)
- Obsolete
Product(s)
On-chip peripherals
ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto
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10.5.11
LIN divider (LDIV) registers
LDIV is coded using the two registers LPR and LPFR. In LIN slave mode, the LPR register is
accessible at the address of the SCIBRR register and the LPFR register is accessible at the
address of the SCIETPR register.
LIN prescaler register (LPR)
Caution:
LPR and LPFR registers have different meanings when reading or writing to them.
Consequently bit manipulation instructions (BRES or BSET) should never be used to modify
the LPR[7:0] bits, or the LPFR[3:0] bits.
LIN prescaler fraction register (LPFR)
LPR
Reset value: 0000 0000 (00h)
7
654
32
10
LPR[7:0]
R/W
Table 72.
LPR register description
Bit
Name
Function
7:0 LPR[7:0]
LIN prescaler (mantissa of LDIV)
These 8 bits define the value of the mantissa of the LDIV (see Table 73).
Table 73.
LIN mantissa rounded values
LPR[7:0]
Rounded mantissa (LDIV)
00h
SCI clock disabled
01h
1
--
FEh
254
FFh
255
LPFR
Reset value: 0000 0000 (00h)
7
654
32
10
Reserved
LPFR[3:0]
-R/W
Table 74.
LPFR register description
Bit
Name
Function
7:4
-
Reserved
3:0 LPFR[3:0]
Fraction of LDIV
These 4 bits define the fraction of the LDIV (see Table 75).
Obsolete
Product(s)
- Obsolete
Product(s)



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