Renesas SH7149 Manual Do Utilizador

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Functional Overview 
2.1 Functional Overview 
Rev.1.0 Dec 15, 2006 
2-2
REJ10J0917-0100 
 
 
 
2.1 Functional Overview 
 
The M3A-HS49 is the SH7149 CPU board that has functions listed in Table2.1.1
Table2.1.1 lists functional modules of M3A-HS49. 
 
Table2.1.1 Functional Modules of M3A-HS49 
Section Function 
Content 
CPU 
SH7149 
• 
Input(XIN) clock : 10MHz 
• 
Bus clock : 40MHz, max 
• 
CPU clock : 80MHz, max 
• 
On-chip Memory 
  - Flash memory : 256KB 
  - RAM : 8KB 
2.3 
Serial Port Interface 
Connects SCI1 of the SH7149 to the Serial Port connector 
2.4 Input/Output 
Ports 
Connects 
to the I/O ports of the SH7149 
2.5 
Clock Module 
Controls the system clock 
2.6 
Reset Module 
Controls device reset accommodated by the M3A-HS49 
2.7 Interrupt 
Switches 
Controls interrupt (NMI,IRQ0,MRES) 
2.8 
E10A-USB Interface 
SH7149 H-UDI/AUD interface 
- Operational 
specifications  Connectors, switches and LEDs 
• 
SH7149 extension connector 
• 
Switches and LEDs 
• 
H-UDI connector 
Detailed in Chapter 3.