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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.
H6
H7
LED7
Green
DIP Switch for user
(SW3)
SW3-1
SW3-2
SW3-3
SW3-4
Rev.1.0 July 21, 2006
REJ10J0952-0100
H5
H4
H3
LED5
LED4
LED6
Green
Green
Green
VCC
Figure2.4.1 Block Diagram of DIP Switches and LEDs
VCC
H2
LED2
Green
LED3
PE9/TIOC3B
Green
PE11/TIOC3D
PE12/TIOC4A
PE13/TIOC4B/MRES
PE14/TIOC4C
PE15/TIOC4D/IRQOUT
PB1/TIC5W
PB2/IRQ0/POE0
PB3/IRQ1/POE1/TIC5V
PB5/IRQ3/TIC5U
Functional Overview
2.4 I/O Ports
SH7125
2-5
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