Lattice Solutions

Reference Design

Generic Soft SPI Master Controller Reference Design

Provides an interface between a generic processor with parallel bus interface and external SPI devices.

MachXO2, MachXO3, LatticeECP3, ECP5 / ECP5-5G, CrossLink, CrossLink-NX, iCE40 UltraPlus 

SPI, Wishbone, TOR Switch, Home Control Appliances & Security, IoT & Wearables, Notebooks & PCs, Printers, Smart Toys & Robots, Tablets 

Demo

Generic Soft SPI Master Controller Demonstration

This demo implements the Generic Soft SPI Master Controller Reference Design by performing simple transactions to the external SPI Flash device found in the MachXO3-9400 Development Board

MachXO2, MachXO3, LatticeECP3, ECP5 / ECP5-5G, CrossLink, CrossLink-NX, iCE40 UltraPlus 

SPI, Wishbone, TOR Switch, Home Control Appliances & Security, IoT & Wearables, Notebooks & PCs, Printers, Smart Toys & Robots, Tablets 

Reference Design

I2C Master - WISHBONE Compatible

Based on the OpenCores I2C master core, this Reference Design provides a bridge between the I2C and WISHBONE bus

MachXO, MachXO2, LatticeXP2, LatticeECP3, ECP5 / ECP5-5G, MachXO3 

I2C, Wishbone, Bus Controllers, TOR Switch, Home Control Appliances & Security, IoT & Wearables, Notebooks & PCs, Printers, Smart Toys & Robots, Tablets, 5G 

IP Core

LatticeMico32 Open, Free 32-Bit Soft Processor

A 32-bit Harvard, RISC architecture soft microprocessor, available for free with an open IP core license. Many compatible modules and IP are available.

LatticeECP3, LatticeXP2, LatticeECP2/M 

GPIO Control, Mico, Soft Processor, UART, Wishbone, TOR Switch, Defense 

Board

ProFRAME CamAD3 Camera Adapters

ProFRAME camera adapters are mounted on the base board of the proFRAME video grabber and playback system. Supports GMSL 1/2/3 and FPD-Link III/IV interfaces.

MachXO3 

Infrared LED, LED Control, GPIO Control, I2C, SPI, UART, Wishbone, CSI-2, Image Processing, MIPI, Video Bridge 

Reference Design

UART Reference Design - WISHBONE Compatible

UART (Universal Asynchronous Receiver/Transmitter) provides both Rx and Tx between the WISHBONE system bus and an RS232 serial communication channel.

MachXO, LatticeXP2, MachXO2, MachXO3 

Bus Controllers, UART, Wishbone, TOR Switch, Home Control Appliances & Security, IoT & Wearables, Notebooks & PCs, Printers, Smart Toys & Robots, Tablets, 5G 

Reference Design

SD Flash Controller Using SD Bus

MachXO, MachXO2, LatticeECP3, ECP5 / ECP5-5G, MachXO3 

SD Memory, Wishbone 

Reference Design

LED/OLED Driver Reference Design

Drive an LED via WISHBONE bus. Default is targeted to a GM1WA55311A LED but can be used to control other LEDs or OLEDs with similar functions.

MachXO, MachXO2, MachXO3 

LED Control, Wishbone, UAVs 

Reference Design

SPI Controller - WISHBONE Compatible

Provides an interface between a microprocessor with a WISHBONE bus and external SPI devices.

ispMACH 4000ZE, MachXO, LatticeXP2, MachXO2, MachXO3 

SPI, Wishbone, TOR Switch 

Reference Design

Single-Wire Controller for Digital Temp. Sensors

Implements a Single Wire controller connected to a WISHBONE bus. Provides an example communicating to a Temperature Sensor.

MachXO, MachXO2 

Single Wire, Temperature Sensor, Wishbone 

Reference Design

RAM Type Interface for Embedded User Flash Memory

Implements intuitive interface between the user logic and the internal FPGA User Flash Memory (UFM) - requires no learning of the WISHBONE protocol.

MachXO2 

Embedded FPGA Flash, Wishbone 

Reference Design

I2S Controller with WISHBONE Interface

Implements an I2S transmit master or I2S receive master with a WISHBONE interface

MachXO, MachXO2, MachXO3 

Bus Controllers, I2S, Wishbone, Home Control Appliances & Security, IoT & Wearables, Notebooks & PCs, Printers, Smart Toys & Robots, Tablets 

Reference Design

NOR Flash Memory Controller - WISHBONE Compatible

Provides a NOR flash memory controller through WISHBONE bus. It supports several common operational modes of a NOR flash

MachXO, MachXO2 

NOR Flash, Wishbone, Defense 

Reference Design

Memory Stick PRO Host Interface

Provides an interface between Memory Stick PRO and its Host Controller over a WISHBONE bus

MachXO2 

Memory Stick, Wishbone 

Reference Design

SPI Flash Controller with Wear Leveling

Implements the wear leveling control of data storage for SPI Flash memory - stores the number of erases, logic-map-physical table, and the valid page pointers.

MachXO2 

SPI, SPI Flash, Wishbone, TOR Switch 

Reference Design

SMBus Controller

Provides a bridge between the SMBus (System Management Bus) master and the WISHBONE bus. SMBus is a 2-wire interface similar to I2C.

MachXO, MachXO2 

I2C, Power Management Bus, SMBus, Temperature Sensor, Wishbone, TOR Switch, Defense 

IP Core

Lattice Mico8 Open, Free Soft Microcontroller

8-bit microcontroller primarilyi targeted to the MachXO2 and MachXO3 families, but portable to other FPGAs. Full 18-bit wide instruction set and 32 registers

LatticeECP3, ECP5 / ECP5-5G, MachXO2, MachXO3 

I2C, Mico, Soft Processor, SPI, UART, Wishbone, TOR Switch, Defense 

Reference Design

LCD Controller - WISHBONE Compatible

Provides a processor interface to the common dot-matrix LCD module

MachXO2, LatticeXP2, MachXO, iCE40 LP/HX 

LCD panel, Wishbone 

Reference Design

LatticeMico8 to WISHBONE Interface Adapter

Provides logic to adapt the Lattice Mico8 (LM8) external I/O to a WISHBONE master interface

LatticeXP2, MachXO 

Mico, Soft Processor, Wishbone, TOR Switch, Defense 

Reference Design

PCI/WISHBONE Bridge Reference Design

Provides a bridge between the Lattice PCI Target 32-bit/33MHz Reference Design and a WISHBONE slave device.

MachXO, LatticeXP2, LatticeECP3 

PCI, Wishbone