The phyCARD-M on the phyBASE
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PHYTEC Messtechnik GmbH 2010 L-750e_1
103
To avoid any conflicts when connecting external I
2
C devices to the
phyBASE the addresses of the on-board I
2
C devices must be
considered. Some of the addresses can be configured by jumper.
Table
43
lists the addresses already in use. The table shows only the default
address. Please refer to
section 17.2.4
for alternative address settings.
Device
Address used (write /
read)
Jumper
LED dimmer (U21)
0xC0 / 0xC1
J2
RTC (U3)
0xA2 / 0xA3
A/D converter (U22)
0xC8 / 0xC9
Touch screen controller
(U28)
0x88 / 0x89
J3
CPLD (U25)
0x80 / 0x81
S3_3,
S3_4
Table 43:
I
2
C addresses in use