Example Communication Peripheral connections
MPC5746R Hardware Design Guide, Rev. 1
NXP Semiconductors 41
See Table 19 for a list of the typical RS232-D connector pin assignments.
NOTE
N/C pins are not connected. The shell of the connector should be connected
through a ferrite bead to ground.
10.2 Example LIN interface
Local Interconnect Network (LIN) is a commonly used low-speed network interface that consists of a
master node communicating with multiple remote slave nodes. Only a single wire is required for
communication and is commonly included in the vehicle wiring harness. Figure 28 shows a typical
interface implemented using the NXP MC33661 LIN transceiver.
Table 19. Typical RS232-D Connections
Pin Description
1 Connect to pin 4 and 6
2 RS-232 TX (Transmit)
3 RS-232 RX (Receive)
4 Connect to pin 1 and 6
5GND
6 Connect to pin 1 and 4
7N/C
8N/C
9N/C
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