User manual

18
AVR32919
32151A-AVR-09/10
by the LIN bus. To suppress this feature, remove jumpers on the 2-pins headers
(J11 or J16).
4.4 External Memory
The External Memory on the Atmel AT32UC3C-EK provides extra memory to the
Atmel AT32UC3C0512C.
4.4.1 Overview
Figure 4-10. Atmel AT32UC3C-EK External Memory Logical View
The AT32UC3C-EK implements:
• a 128-bits Atmel EEPROM device (AT24C128) connected to the TWIMS0
interface of the Atmel AT32UC3C0512C and referenced as U8,
• a 64 Mbit Atmel Dataflash device (AT45DB642D-CNU) connected to the SPI1
interface (chip select 1) of the AT32UC3C0512C and referenced as U7,
• a SD/MMC slot connected to the SPI1 interface (chip select 3) of the
AT32UC3C0512C and referenced as J7,
• a 256 Mbit SDRAM (MT48LC16M16A2) connected to the EBI interface of the
AT32UC3C0512C and referenced as U6.