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ispMACH 4256ZE Breakout Board
Evaluation Kit User’s Guide
Programming with ispVM
A demonstration design is pre-programmed into the Breakout Board by Lattice. To restore a Breakout Board to fac-
tory settings or load an alternative demo design, use the procedures in this section.
To install ispVM programming tools:
1.
Install and license ispVM System software.
2.
Connect the board to a host PC using the USB port header connection.
3.
Follow the USB Cable Interface procedure below to program the evaluation board.
The Breakout Board is equipped with a built-in USB-based programming circuit. This consists of a USB PHY and a
USB connector. When the board is connected to a PC with a USB cable, it is recognized by the ispVM System soft-
ware as a USB Download Cable. The ispMACH 4256ZE can then be scanned and programmed using the ispVM
System software.
To program a demo programming file:
1.
From the
Start
menu run ispVM System.
ispVM appears.
2.
Choose
Options > Cable and IO Port Setup…
The Cable and I/O Port Setup dialog appears.
3.
Make the following selections:
Cable Type:
USB2
Port Setting:
FTUSB-0
Click
OK
.
4.
Choose
ispTools > Scan Chain
.
The New Scan Configuration Setup window appears. The
LC4256ZE
device appears in the device list.
5.
Right-click the
LC4256ZE
entry and choose
Edit Device…
The Device Information dialog appears.
6.
From the
Data File
section, click the
Browse
button.
The Open Data File dialog appears.
7.
Browse to the
<Demo Dir>
folder, select
<Demo>.jed
, and click
Open
. From the
Operation
list choose
Erase,
Program, Verify
and click
OK
.
8.
Choose
Project > Download
.
ispVM reprograms the evaluation board.
Programming requires about 10 seconds. A small timer window will appear to show elapsed programming time. At
the end of programming, the configuration setup window should show a “PASS” in the Status column.
ispMACH 4256ZE Breakout Board
This section describes the features of the ispMACH 4256ZE Breakout board in detail.
Overview
The ispMACH 4256ZE Breakout Board is a complete development platform for the ispMACH 4256ZE CPLD. The
board includes a prototyping area, a USB program/power port, an LED array, and header landings with electrical
connections to most of the CPLDs programmable I/O, power and JTAG pins. The board is powered by the PC’s