Renesas M3A-HS37 - Manual (Page 34)

Operational Specifications
3.1.2 Serial Port Connector (J3)
Rev.1.00 Oct 09, 2008 3-4
REJ11J0021-0100
3
3.1.2 Serial Port Connector (J3)
The M3A-HS37 is provided with a serial port connector (J3).
Figure 3.1.3 shows the pin assignments for the serial port connector.
Figure 3.1.3 Pin Assignments for Serial Port Connector (J3)
Table 3.1.2 lists the pin assignments for the serial port connector.
Table 3.1.2 Pin Assignments for Serial Port Connector (J3)
No. Signal Name No. Signal Name
1 NC 6 DSR
_______
2 RXD 7 RTS
_______
3 TXD 8 CTS
_______
4 DTR
_______
9 NC
5 GND
Pins 4 to 6 (DTR-DSR), and pins 7 to 8(RTS-CTS) are loop-back connected, respectively.