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Functional Overview

2.1 Functional Overview

Rev.1.0 July 21, 2006 2-2

REJ10J0952-0100

2.1 Functional Overview

The M3A-HS25 is the SH7125 CPU board that has functions listed in

Table2.1.1.

Table2.1.1 lists functional modules of M3A-HS25.

Table2.1.1 Functional Modules of M3A-HS25

Section Function Content

2.2 CPU

SH7125

• Input(XIN) clock : 12.5MHz

• CPU clock : 50MHz, max

• On-chip Memory

- Flash memory : 128KB

- RAM : 8KB

2.3 Serial Port Interface Connects SCI0 or SCI1 of the SH7125 to the UART connector

2.4 Input/Output Ports Connects to the I/O ports of the SH7125

2.5 Clock Module Controls the system clock

2.6 Reset Module Controls device reset accommodated by the M3A-HS25

2.7 Interrupt Switches Controls interrupt (NMI,IRQ0)

2.8 E10A-USB Interface SH7125 H-UDI interface

- Operational specifications Connectors, switches and LEDs

• SH7125 extension connector

• Switches and LEDs

• H-UDI connector

Detailed in Chapter 3.

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Renesas M3A-HS25 Manual de usuario Pagina 16