User manual

Overview of Technical Characteristics

3. Overview of Technical Characteristics

3.1. CPU

• CPU Clock 400 MHz

• 16KB Instruction Cache

• 16KB Data Cache

• MMU

• 3.3V Supply Voltage, 1.8V Memory Bus Voltage, 1.0V Core Voltage

3.2. Memory

• 256 MB NAND flash memory (optional more)

• 128 MB DDR2

• 2 x 16 KB SRAM

• 128 Bytes EEPROM

• 1 MB Serial Dataflash

3.3. Interfaces and external signals

• 2x 100-pin fine-pitch low-profile Connectors (Hirose FX8)

• Ethernet 10/100 Mbit MAC (2 Stamp9X25)

• Dual USB 2.0 High Speed Hosts

• USB 2.0 High Speed Device

• 6x UART/USART (7 Stamp9X25)

• Synchronous Serial Controller (SSC, I

• Two Serial Peripheral Interfaces (SPI)

• Three Two Wire Interface (TWI, I

• Two MultiMedia Card Interfaces

• JTAG debug port

• Digital Ports - up to 80 available

• Control Signals: IRQs, BMS, SHDN, WKUP