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Functional Overview
2.4 I/O Ports
Rev.1.0 Dec 15, 2006 2-5
REJ10J0917-0100
2
2.4 I/O Ports
In the M3A-HS49, all of the SH7149's I/O ports are connected to the extension connector. Some I/O ports are
connected to DIP switches and LEDs of the M3A-HS49 board. Users are free to use these ports.
Figure2.4.1 shows the block diagram of DIP switch and LEDs in the M3A-H49.
Table2.4.1 shows functions of SH7149 I/O ports in the M3A-HS49.
PB0
PB16
PB17
PB18
SW3-1
SW3-2
SW3-3
SW3-4
PE0
PE9
PE11
PE12
SH7149
PE14
PE15
LED2
GREEN
LED3
GREEN
LED4
GREEN
LED5
GREEN
LED6
GREEN
LED7
GREEN
VCC
VCC
DIP switch
for users (SW3)
Figure2.4.1 Block Diagram of DIP Switch and LEDs