Configurable I2C Address - Total Phase Aardvark I2C/SPI User Manual

Total Phase
2.1. Configurable I
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C Address
2
2
The I C Port Expander and the I
2
I C addresses. You'll notice on the board the following diagram:
Figure 3: Default I
This diagram gives the address of the I
cates a configurable value. If the connectors are bridged, the value is 1,
otherwise the value is 0.
In its default state, the I
0111000 == 0x38 == 56.
When a jumper is added in to A1,
2
Figure 4: I C Port Expander address has been configured using a jumper
(red) on position A1. This effectively changes the target's address from
0x38 to 0x3a.
the address becomes
0111010 == 0x3a == 58
The jumpers for configuring the target addresses are not included with
the board.
Aardvark I
2
C EEPROM have hardware configurable
2
C Port Expander address.
2
2
C Port Expander has a address of
2
C/SPI Activity Board
C Port Expander. The "x" indi-
6