NXP Semiconductors MPC5777C, User Manual

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Configuration
—Motherboard
MPC5777C EVB User Guide, Rev. 1
8
NXP Semiconductors
3.3 RS232 Configuration
DB9 connector J19 and TR3221 RS232 transceiver device provide a physical RS232 interface,
allowing a direct RS232 connection to a PC or terminal.
The pin-out of these connectors is detailed in Figure 7 Note that hardware flow control is not supported on
this implementation.
Figure 7: RS232 physical interface connector
On default the RS232 interface is not enabled. To enable the RS232 interface the user needs to place
the jumpers detailed in
Table 3.
Table 3: RS232 control jumpers
Jumper Label Description
J13 SCI TX TX enable
J14 SCI RX RX enable
J25 SCI_PWR Transceiver power on
3.4 LIN Configuration
The EVB is fitted with a NXP MC33662LEF LIN transceiver (U50) and two different style connectors:
A standard LIN Molex connector (J4) at the edge of the board and a standard 0.1 in. connector (P3).
The pin-out of the Molex connector J4 is shown in Figure 8 .