Kontron COMe-cXLi2 - Manual (Page 53)

Kontron COMe-cXLi2 User’s Guide
www.kontron.com
47
1 GPI1 A63
2 GPI2 A67
3 GPI3 A85
4 GPO0 A93
5 GPO1 B54
6 GPO2 B57
7 GPO3 B63
5.6 Fast I 2
C
The COMe-cXLi2 COM integrates two configurable I 2 C buses. The external I 2 C
provided via the US15WPT SCH GPIOs on COM Express® connector pin B33/B34 and
the JILI (LVDS) I 2 C from US15WPT SCH is available on COM Express® connector
pin A83/A84. The I 2 C interface offers full multimaster and clock stretching
support.
Table 14: JIDA/external I
2
C speed
Setup ATOM™ Z520
Extra
high
not supported
Very high 150 kHz
High 80 kHz
Medium 40 kHz 60 kHz
Slow 11 kHz 16 kHz
Very slow 1.5 kHz 2 kHz
Ultra
slow
0.8 kHz 1 kHz
JILI I
2
C Speed
Setup ATOM™
Z520
Extra high not supported
Very high 90 kHz
High 36 kHz
Medium 18 kHz
Slow 2.8 kHz
Very slow 1.0 kHz
Ultra slow not supported