Figure 11. 10-Pin Interface header (J1) Orientation
USB
HWB
VCC_D
PB5
PB0
PB7 / PD3
PB2/ PD1
J1
JTAG
GND
PB4
PB6
PB3 / PD2
PB1/ RESET
PD0
3.6.4
CryptoCompanion Chip
The AT88Microbase has one CryptoCompanion device (AT88SC108), which is located on the back
side of board. The AT88SC018 is designed as the mate to Atmel’s CryptoRF® (CRF) and
CryptoMemory® (CM) chips. The SCL and SDA pins are connected to PD0 and PD1, respectively.
The RST and PDN pins are connected to PF2 and PF3, respectively.
Figure 12. System CryptoCompanion Schematic
Datasheet can be found on the Atmel web site, http://www.atmel.com/products/securemem.
Note: The CryptoCompanion chip cannot be used with the CryptoAuthentication family of devices.