User guide

Programmer’s Reference
ARM DUI 0224I Copyright © 2003-2010 ARM Limited. All rights reserved. 4-87
Software must manipulate the SCL and SDA bits directly to access the data in the three
devices. The pre-defined eight-bit device addresses are listed in Table 4-62. See the
\firmware\examples directory on the CD for example code for reading the memory
expansion EEPROM.
Table 4-62 Serial bus device addresses
Device Write address Read address
Dynamic expansion E2PROM
0xA0 0xA1
Static expansion E2PROM 0xA2 0xA3
Time-of-year clock 0xD0 0xD1