FlexRay Module Registers
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SPNU563A–March 2018
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FlexRay Module
Table 26-21. Global Control Set/Reset (GCS/R) Field Descriptions (continued)
Bit Field Value Description
12 CTTSM Clear TTSM Register.
0 Do not clear the register.
1 Clear the register when bit is set from 0 to 1.
11-9 Reserved 0 Reads return 0. Writes have no effect.
8 ETSM Enable Transfer Status Mirrored.
Mirror technique must be adjustable.
0 Disable mirror function for TSCB, LTBCC, LTBSM, TSMO1-4, TCCO1-4, and TOOFF.
1 Enable mirror function for TSCB, LTBCC, LTBSM, TSMO1-4, TCCO1-4, and TOOFF.
7-6 Reserved 0 Reads return 0. Writes have no effect.
5 SILE Status Interrupt Line Enable.
Enable status line interrupt.
0 TU_Int0 is disabled.
1 TU_Int0 is enabled.
4 EILE Error Interrupt Line Enable.
Enable error interrupt line.
0 TU_Int1 is disabled.
1 TU_Int1 is enabled.
3-2 Reserved 0 Reads return 0. Writes have no effect.
1 TUH Transfer Unit Halted.
When halted, the Transfer Unit State Machine finishes the ongoing VBUSM access before it stops
working. After deassertion, the Transfer Unit State Machine continues at the point it was halted
before. No reconfiguration is required.
0 Transfer Unit is not halted.
1 Transfer Unit is halted.
Note: If the Transfer Unit State Machine halts, all mirroring registers contained the last
transfer not the current transfer information.
0 TUE Transfer Unit Enabled.
Enable transfer unit.
0 Transfer Unit is disabled, reset Transfer Unit State Machine, completion of the current VBUS
transfer cycle but data could be corrupt.
1 Transfer Unit is enabled.
Note: Before switching on the Transfer Unit, the registers must be set up. After re-enabling
of the Transfer Unit State Machine the contents of the module registers and the TCR is still
valid (assuming it was continuously powered).
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