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3.5
FlexRAY Configuration
The EVB is fitted with two FlexRAY transceivers, a female DB9 connector (for both transceivers) and
two alternative connectors. Jumpers J27 and J30 are provided to route the respective MCU signals to the
physical interfaces.
The pin-out of the DB9 connector (J2) is shown in Figure 10.
For flexibility, the FlexRAY transceiver is also connected to two FlexRAY connectors (P1 & P2) and
two 2pin Molex connectors (J1 & J3, not populated by default) at the top side of the EVB. Figure 11
shows the connections for both types of connectors.
By default the FlexRAY interface is not enabled. To enable the FlexRAY interface the jumpers detailed
in Table 6 need to be placed.
Jumper
J29
Figure 10.
Figure 10. FlexRAY DB9 connector pinout
Figure 11.
Figure 11. FlexRAY alternative connector pin-outs
Table 6. FlexRAY control jumpers
Label
FR_PWR
S32R274 EVB User Guide
Description
FlexRay transceiver VIO selection
1-2: 12V to V
BAT
3-4: 5V_SR to V
and V
CC
5-6: 3.3V_SR to V
IO
BUF
12
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