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GPIO27_CLK, 3.6MHz SysClk on BitsyX

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paulpile

1 Posts

Posted - 10 Jun 2003 : 15:04:25

Trying to access the 3.6MHz SysClk on the BitsyX board.
Requesting Connector & Pin #, and software to enable it.
BitsyX User’s Manual
ADS document # 110115-00032, preliminary
Page 20
section 4.1.6 PXA255 GPIO Cross-Reference table

GP| Signal Name | Type | Function (connector, section)
--|-------------|------|----------------------------------------
11| 3.6MHZ | |GPIO11, alt. function 3.6MHz oscillator out
| GPIO_11 | IO |(J7, 3.3.7)
| | |

So I proceed to,...
section 3.3.7 J7: XScale I/O Signals table...

Section does not contain reference info on how to access GPIO,
also no reference to GPIO11 or the 3.6MHz system clock.

Recommendations?

akidder

1519 Posts

Posted - 10 Jun 2003 : 15:20:10

Yep. Mistake in the BitsyX User's manual. GP11 isn't available off-board on the rev. 2 BitsyX. We use it internally to clock the SA-1111.

Sorry for the mistake. We'll correct it in the next release of the manual!

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