phyCORE-i.MX35
36
PHYTEC Messtechnik GmbH 2010 L-734e_1
7.5.1
Setting the EEPROM Lower Address Bits
(J11, J14, J15)
The 32 KB I²C EEPROM populating U2 on the phyCORE-module has the capability of configuring the
lower address bits A0, A1, and A2. The four upper address bits of the device are fixed at ‘1010’
(
see ST 24W32C data sheet).
The remaining three lower address bits of the seven bit I²C device
address are configurable using jumpers J11, J14 and J15. J15 sets address bit A0, J14 address
bit A1, and J11 address bit A2.
Table 9
below shows the resulting seven bit I²C device address for the eight possible jumper
configurations.
Table 9:
U2 EEPROM I²C Address via J11, J14, and J15
1
U2
I²C
D
EVICE
A
DDRESS
J11
J14
J15
1010 010
2 + 3
2 + 3
2 + 3
1010 011
2 + 3
2 + 3
1 + 2
1010 000
2 + 3
1 + 2
2 + 3
1010 001
2 + 3
1 + 2
1 + 2
1010 110
1 + 2
2 + 3
2 + 3
1010 111
1 + 2
2 + 3
1 + 2
1010 100
1 + 2
1 + 2
2 + 3
1010 101
1 + 2
1 + 2
1 + 2
1
:
Defaults are in
bold blue
text
Содержание phyCORE-i.MX35
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Страница 31: ...Jumpers PHYTEC Messtechnik GmbH 2010 L 734e_1 23 J22 J13 J4 J2 J3 Figure 7 Jumper Locations Bottom View...
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