Microsemi Actel IGLOO Icicle User manual

IGLOO Icicle Kit

Quick Start Guide

1. How to Start the demo

1.1. Upon power up, the display will default to a random pattern.

1.2. To display the message associated with the default design

shipped with the Icicle Kit:

1.2.1. Push SW1 to reset the board

1.2.2. Then press SW5 to enable and initialize the display.

1.2.3. The message ACTEL IGLOO will be displayed.

1.2.4. If this message is not displayed or flickers badly, the board

may have a manufacturing test design installed. In this case,

simply reprogram the board with the STAPL file included on the

IGLOO Icicle Kit CD.

1.3. To cause display to scroll continuously:

1.3.1. Push SW5 a second time. Further presses of SW5 will have

no affect on the display.

1.4. Once the message is scrolling, pushing SW1 will reset the board

and freeze the message.

1.5. To re-initialize the display, push SW5 once and to re-activate

the scroll, push SW5 a second time.

1.6. If the Flash*Freeze mode is initiated while the display is active,

the display retains its current state. At this point, the FPGA is no

longer driving the display. Since the information has already been

written to the OLED assembly, the display will continue to show

the same message. Upon exiting the Flash*Freeze mode, the display

will also retain its current state and function as described above.

1.6.1. In Flash*Freeze, the Current Sense LED will turn on to

show Low Current Mode.

1.6.2. The LED counter design will stop and restart from the same

count when it comes out of F*F

Table of Default Jumper Settings and Current measurement

Jumper Default

Position Comment

JP2 (1, 2) Power for VCC, current measurement ok

JP3 (1, 2) 3.3V Power for VCCI, current measurement ok

JP4 (2, 3) Flash*Freeze from SW3; position (1, 2) is for

internal Flash*Freeze (mode 2)

JP5 Empty External power source can be applied here

JP9 (2, 3) VCC is 1.2V except in programming; position (1,

2) fixes VCC

JP10 (1, 2) Applies power to VCCPLF

JP11 (1, 2) Vertical orientation for battery and USB power

Do not connect a DMM across pins (1, 2) of JP11 for current

measurement as the USB Change over circuit is sensitive to inductance.

Better to connect an external 5V supply to JP5 and then put a DMM in

current mode across (2, 3) for measuring board power.

Table for User Peripherals

Peripheral Comment AGL125 I/O Name Pin on

QN132 Pin on

VQ100

D1 LED IO96RSB1 A17 33

D2 LED IO95RSB1 B16 34

D3 LED IO94RSB1 A18 35

SW1 Reset Switch GAA2/IO67RSB1 C1 2

Clock 20MHz GFB0/IO123RSB1 A7 11

Flash*Freeze SW3 and JP4 FF/GEB2/IO105RSB1 B12 27

For other peripherals and details on the interface card, see the User Guide

Table of contents

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