Total Phase
Aardvark I
2
C/SPI Activity Board
1. Targets
The Aardvark I
2
C/SPI Activity Board features three different targets for
testing and development. Specifications for each target device can be
found on the manufacturer's websites. Below you will find the part num-
bers and a link to online resources for each part.
Figure 1: Aardvark I
2
C/SPI Activity Board Targets
Please note that these links may become outdated and Total Phase can-
not guarantee that they will function.
For the latest information about
these targets, please visit our website:
http://www.totalphase.com/
I
2
C Port Expander (U1)
PCA9554AD - 8-bit I
2
C and SMBus I/O Port with Interrupts (Philips)
http://www.semiconductors.philips.com/pip/PCA9554AD.html
I
2
C EEPROM (U2)
AT24C02 – 2-Wire Bus Serial EEPROM (Atmel)
256 bytes / 2 kilobit - 8 bytes / page
http://www.atmel.com/dyn/products/product_card.asp?family_id=647&fa
mily_name=EEPROM&part_id=2805
SPI EEPROM (U3)
AT25080A – SPI Bus Serial EEPROM, High Speed, supports SPI Mode
0 and 3. (Atmel)
1 kilobit / 8 kilobytes - 32 bytes / page
http://www.atmel.com/dyn/products/product_card.asp?family_id=647&fa
mily_name=EEPROM&part_id=3020
www.totalphase.com
3