User's Manual
Features and Specifications 
2.4 Serial Port Interface 
Rev.1.01
 Oct 28, .2008  2-13
REJ10J1351-0101 
2 
2.4  Serial Port Interface 
The SH7619 MCU mounted on the M3A-HS19 is provided with a 3 channel’s of the Serial Communication Interface with 
FIFO (SCIF). 
SCIF channel 0 is connected to the 2-pin serial port connector, SCIF channel 2 is connected to the D-sub 9-pin serial port 
connector, and SCIF channel 1 is connected to the 4-pin serial port connector. 
Figure 2.4.1 shows the block diagram of the serial port interface. 
Figure 2.4.1 Serial Port Interface 










