Functional Overview - Renesas M3A-HS85 User Manual

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2.1 Functional Overview

The M3A-HS85 is the SH7285 CPU board that has the functions listed in Table 2.1.1.
Table 2.1.1 lists the functional modules of M3A-HS85.
Section
2.2 CPU
2.3 Memory
2.4 Serial Port Interface
2.5 I/O Ports
2.6 Power Supply Module
2.7 USB Interface
2.8 Clock Module
2.9 Reset Module
2.10 Interrupt Switches
2.11 E10A-USB Interface
- Operational Specifications
Rev.1.04 2008.7.10
REJ10J1564-0104
Table 2.1.1 Functional Modules of M3A-HS85
Function
SH7285
•
Input(XIN) Clock: 12.5 MHz
•
CPU Clock: Maximum 100 MHz
•
Bus Clock: Maximum 50 MHz
•
On-Chip Memory
- Flash Memory: 768 kBytes
- RAM: 32 kBytes
•
SRAM : 2-Mbyte (16-bit bus width x 1pc.) (Not mounted)
*Can be mounted only when SH7285 is used in 3.3V.
•
SDRAM : 16-Mbyte(16-bit bus width x 1pc.) (Not mounted)
*Can be mounted only when SH7285 is used in 3.3V.
•
EEPROM : 128 kBits (Not mounted)
HN58X24128FPIE x 1 pc. (I
Connects SCI0 or SCI3 of SH7285 to the serial port connector
Connects to the input/output ports of the SH7285
Controls the system power supply of the M3A-HS85
Connects USB pin of SH7285 to USB connector
Controls the system clock
Controls the device reset mounted on the M3A-HS85
Connect to the NMI pin, IRQ0 pin and test port
SH7285 H-UDI/AUD interface
Connectors, Switches and LEDs
•
•
•
Detailed in Chapter 3.
Content
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C bus connection)
SH7285 extension connector
Switches and LEDs
H-UDI connector
Functional Overview
2.1 Functional Overview
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