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Functional Overview
2.4 I/O Ports
Rev.1.0 July 21, 2006 2-5
REJ10J0952-0100
2
2.4 I/O Ports
In the M3A-HS25, all of the SH7125's I/O ports are connected to the extension connector. Some I/O ports are
connected to DIP switches and LEDs of the M3A-HS25 board. Users are free to use these ports.
Figure2.4.1 shows the block diagram of DIP switch and LEDs in the M3A-H25.
Table2.4.1 shows functions of SH7125 I/O ports in the M3A-HS25.
PB1/TIC5W
PB2/IRQ0/POE0
PB3/IRQ1/POE1/TIC5V
SW3-2
SW3-3
PE9/TIOC3B
PE11/TIOC3D
PE12/TIOC4A
SH7125
LED2
Green
LED3
Green
LED4
Green
VCC
VCC
SW3-1
PE13/TIOC4B/MRES
PE14/TIOC4C
LED5
Green
LED6
Green
LED7
Green
PE15/TIOC4D/IRQOUT
DIP Switch for user
(SW3)
H2
H3H4H5H6
H7
PB5/IRQ3/TIC5U
SW3-4
Figure2.4.1 Block Diagram of DIP Switches and LEDs