FlexRay Module Registers
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SPNU563A–March 2018
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FlexRay Module
26.3.2.3.18 GTU Configuration Register 11 (GTUC11)
Figure 26-145 and Table 26-124 illustrate this register.
Figure 26-145. GTU Configuration Register 11 (GTUC11) [offset_CC = C8h]
31 27 26 24 23 19 18 16
Reserved ERC* Reserved EOC*
R-0 R/W-0 R-0 R/W-0
15 10 9 8 7 2 1 0
Reserved ERCC* Reserved EOCC*
R-0 R/W-0 R-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset; *These bits can be updated in DEFAULT_CONFIG or CONFIG state
only
Table 26-124. GTU Configuration Register 11 (GTUC11) Field Descriptions
Bit Field Value Description
31-27 Reserved 0 Reads return 0. Writes have no effect.
26-24 ERC 0-7h µT External rate correction (in microticks). Holds the external clock rate correction value to be applied
by the internal clock synchronization algorithm. The value is subtracted/added from/to the
calculated rate correction value. The value is applied during NIT. May be modified in
DEFAULT_CONFIG or CONFIG state only.
23-19 Reserved 0 Reads return 0. Writes have no effect.
18-16 EOC 0-7h µT External offset correction (in microticks). Holds the external clock offset correction value to be
applied by the internal clock synchronization algorithm. The value is subtracted/added from/to the
calculated offset correction value. The value is applied during NIT. May be modified in
DEFAULT_CONFIG or CONFIG state only.
15-10 Reserved 0 Reads return 0. Writes have no effect.
9-8 ERCC External rate correction control. By writing to ERCC, the external rate correction is enabled as
specified below. Should be modified only outside NIT.
0, 1h No external rate correction.
2h External rate correction value is subtracted from calculated rate correction value.
3h External rate correction value is added to calculated rate correction value.
7-2 Reserved 0 Reads return 0. Writes have no effect.
1-0 EOCC External offset correction control. By writing to EOCC, the external offset correction is enabled as
specified below. Should be modified only outside NIT.
0-1h No external offset correction.
2h External offset correction value is subtracted from calculated offset correction value.
3h External offset correction value is added to calculated offset correction value.
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