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4 i/o ports, Sh7125 – Renesas M3A-HS25 User Manual

Page 19

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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

H3

H4

H5

H6

H7

PB5/IRQ3/TIC5U

SW3-4

Figure2.4.1 Block Diagram of DIP Switches and LEDs