Discussion:
[pandaboard] Pandaboard I2C 3 and I2C 4 working volatge?
s.rawat
2015-07-07 05:12:13 UTC
Permalink
Is the working voltage of both the I2C 3 (on J3 connector) and I2C
4(on J17 connector) same?What is it - 1.8V or 3.3 V?
Rgds,
S
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Erik Andresen
2015-07-07 05:22:55 UTC
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1.8V for all I/O.

greetings,
Erik
Post by s.rawat
Is the working voltage of both the I2C 3 (on J3 connector) and I2C
4(on J17 connector) same?What is it - 1.8V or 3.3 V?
Rgds,
S
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Erik Andresen
2015-07-07 05:51:53 UTC
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Check the Pandaboard schematics [1] + the Omap4430 Technical Reference
Manual (TRM) [2].

[1] http://pandaboard.org/content/resources/references
[2] http://www.ti.com/product/OMAP4430/technicaldocuments
Thanks !
Is this documented in the reference manual or schematic somewhere.I
cant find it except I have manually checked it to be 1.8 V through
multi-meter.
Post by Erik Andresen
1.8V for all I/O.
greetings,
Erik
Post by s.rawat
Is the working voltage of both the I2C 3 (on J3 connector) and I2C
4(on J17 connector) same?What is it - 1.8V or 3.3 V?
Rgds,
S
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s.rawat
2015-07-07 05:56:28 UTC
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Pandaboard ES has Omap4460 anyway I agree with you !
Thanks again !
Post by Erik Andresen
Check the Pandaboard schematics [1] + the Omap4430 Technical Reference
Manual (TRM) [2].
[1] http://pandaboard.org/content/resources/references
[2] http://www.ti.com/product/OMAP4430/technicaldocuments
Thanks !
Is this documented in the reference manual or schematic somewhere.I
cant find it except I have manually checked it to be 1.8 V through
multi-meter.
Post by Erik Andresen
1.8V for all I/O.
greetings,
Erik
Post by s.rawat
Is the working voltage of both the I2C 3 (on J3 connector) and I2C
4(on J17 connector) same?What is it - 1.8V or 3.3 V?
Rgds,
S
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Bhupendra Pawar
2015-07-07 06:22:11 UTC
Permalink
It is 1.8 Volt.
Post by s.rawat
Is the working voltage of both the I2C 3 (on J3 connector) and I2C
4(on J17 connector) same?What is it - 1.8V or 3.3 V?
Rgds,
S
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