Rs-422 Connector Pin (J3) - Renesas CPU Board M3A-HS19 User Manual

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3.1.3 RS-422 Connector Pin (J3)

The M3A-HS19 is provided with an RS-422 connector pin (J3).
Figure 3.1.4 shows the pin assignment for the RS-422 connector pin (J3).
Table 3.1.3 lists the pin assignment for the RS-422 connector pin (J3).
Pin no.
1 RXD-a (PD3/IRQ3/RXD1/DACK0)
2 RXD-b (PD3/IRQ3/RXD1/DACK0)
Rev.1.01 Oct.28.2008
REJ10J1351-0101
Top view of the
component side
J3
1
2
RS-422
3
4
Board edge
Figure 3.1.4 Pin assignment for RS-422 Connector Pin (J3)
Table 3.1.3 Pin assignment for RS-422 Connector Pin (J3)
Signal Name
3.1.3 RS-422 Connector Pin (J3)
Top view of the
solder side
1
2
3
4
Board edge
Pin no. Signal Name
3 TXD-z (PD2/IRQ23/TXD1/DREQ0)
4 TXD-y (PD2/IRQ23/TXD1/DREQ0)
Operational Specifications
3-5