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4.3 LIN-UART connectors (X2-X5)
Four 9-pin D-Sub female connectors are used for the serial interfaces. Note that X2 to X5
are shared between the RS232- and LIN transceivers and must be configured to the desired
functionality (refer to chapter 3.4 for details).
Pin Number
Pin Signal
1
+VBat
2
3
4
5
6
7
8
9
LGND
Shield
4.4 CAN Connector (X7-X8)
Six 9-pin D-Sub male connectors are used for the CAN interfaces CAN0-CAN1. Both CAN
interfaces can be used simultaneously.
Pin Number
Pin Signal
1
2
CANL
3
4
5
6
7
CANH
8
9
Shield
FMEMCU-UG-910074-11
SK-91460T-144PMC-GPIO User Guide
Chapter 4 Connectors
Figure 4-2: UART Connector
Description
Power from / to LIN bus
TXD
RS-232 transmit output
LIN
Bi-directional LIN-interface bus
RXD
RS-232 receive input
DTR
Connected to DSR (pin 6)
GND
Ground normally used for RS232 connection
DSR
Connected to DTR (pin 4)
RTS
Can be connected with CTS by jumper
CTS
Can be connected with RTS by jumper
Ground normally used for LIN connection
GND
Ground
Table 4-1: UART Connector Signals
Figure 4-3: CAN Connector
Description
NC
Not used
LOW-level CAN voltage input/output
GND
Ground
NC
Not used
NC
Not used
NC
Not used
HIGH-level CAN voltage input/output
NC
Not used
NC
Not used
GND
Ground
Table 4-2: CAN Connector Signals
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© Fujitsu Microelectronics Europe GmbH
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