LFXP2-5E-B2-EVN Lattice, LFXP2-5E-B2-EVN Datasheet - Page 5

• Manufacturer Part Number: LFXP2-5E-B2-EVN
• Description: Programmable Logic IC Development Tools Lattice XP2 Brevia Dev Kit
• Manufacturer: Lattice
• Type: FPGAr

Specifications of LFXP2-5E-B2-EVN

• Rohs: yes
• Product: Development Kits
• Tool Is For Evaluation Of: LFXP2-5E-6TN144C
• Interface Type: JTAG, USB
• Operating Supply Voltage: 1.2 V
• Description/function: LatticeXP2 Brevia 2 development kit
• Dimensions: 3 in x 3 in x 0.5 in
• Maximum Operating Temperature: + 55 C
• Minimum Operating Temperature: 0 C
• Factory Pack Quantity: 1

Lattice Semiconductor
4. Press the RESET button on the evaluation board.
When configured correctly you will see a banner displayed, like the one shown below.
SoC Command Monitor Features
The LatticeXP2 Brevia 2 Evaluation Board, after it powers up or is reset, begins running a command interpreter
monitor under the control of the LatticeMico8 microcontroller. The monitor code waits for a keypress and immedi-
ately performs the requested function.
When the Read ID and Read Switch Bank commands are executed the ASCII output from the command is stored
into the SRAM. The LatticeMico8 stores the next address to write in three of its general purpose registers. After
power up the registers are cleared to 0x000000. Commands that have their results logged to the SRAM print out
the address of the next available SRAM location.
Read SPI Flash Memory IDCode Command
The SPI ROM device on the LatticeXP2 Brevia 2 Evaluation Board can be queried and will return the ID code
implemented by the ROM manufacturer. The LatticeMico8 initiates memory transactions using the SPI Memory
controller to acquire the data.
To scan the SPI Flash Memory IDCode:
1. From the terminal Main Menu, press 1.
=========================================================================
Welcome to the LatticeXP2 Brevia Development Kit
SoC Demonstration Rev 1.0, April 2010
Main Menu
------------------------------------------------------------
Press 0-b to select an option.
=========================================================================
The LatticeMico8 performs the manufacturer specific SPI memory transactions to acquire the ID code. The ID
number is returned as a hex value. This command logs the result to the SRAM.
Example:
ID:0x44
Note: The ID for your board may differ.
0: Re-display Main Menu
1: Read SPI Flash Memory IDCode
2: Read DIP Switch Bank
3: Read Data History from SRAM
4: Copy Data History from SRAM to SPI Flash Memory
5: Read Data History from SPI Flash Memory
6: Write Data to SRAM (Specified Address and Data)
7: Read Data from SRAM (Specified Address)
8: Write Data to SPI (Specified Address and Data)
9: Read Data from SPI (Specified Address)
a: SRAM Auto-Test
b: SPI Auto-Test
(SRAM ADDR:0x00006)
5
LatticeXP2 Brevia 2 Development Kit
User’s Guide