Programmer’s Reference

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

 

 

 

ARM DUI 0224I

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ARM ARM DUI 0224I manual Dynamic expansion E2PROM