Ft 5000, Aardvark, Serial eeprom or flash device – Echelon IzoT NodeBuilder User Manual

Page 221

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Serial Memory Device-Aardvark Connection Scheme for SPI Interface

To connect an external serial EEPROM or flash device to the Aardvark programmer and perform
in-circuit programming over the SPI interface, you could use the following schemes:

FT 5000

MOSI

MISO

SCK

CSO~

Aardvark

MOSI

MISO

SCLK

SS

GND

1

2

3

1

2

3

1

2

3

1

2

3

J1

J2

J3

J4

Serial

EEPROM or Flash

Device

GND

GND

VCC

R4
100k

R1..3

3xR49.9

48

46

47

40

8

5

7

9

2

10

CSO~

SCK

MISO

MOSI

GND

Serial EEPROM or Flash-Aardvark SPI Connection

[(via Jumpers and 10-pin split cable (Total Phase Part No. TP240212)]

Notes: In this diagram, all jumpers are set into position 1-2 for normal operation, and they are set into
position 2-3 for in-circuit programming. You must always power off your device before changing the
jumper settings.

IzoT NodeBuilder FX User's Guide

207

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