The PowerShot N also wakes up on USB connection. Time for some more experiments.
@ H-H, The question is: Does, the Canon PowerShot N, use this pin? [Mini-USB ID Pin 4]
@ wbloos, Is the USB ID pin used by Canon?, by wbloos, see here:-http://chdk.setepontos.com/index.php?topic=10281.msg102153#msg102153
@ ahull "...Sadly there is a lot more to this than meets the eye..."
@ W-W And also see here:- http://en.wikipedia.org/wiki/USB
and the "...USB 1.x/2.0 Mini/Micro PinOuts..."
Connector Types #1; "...To reliably enable a charge-only feature, modern USB accessory peripherals now include charging cables that provide power connections to the host port
but no data connections, and both home and vehicle charging docks are available that supply power from a converter device and do not include a host device and data pins, allowing any capable USB device to charge or operate from a standard USB cable..."
Mini and Micro Connectors #2; "...(Mini-B connectors are still supported but not OTG (On The Go, i.e. mobile) compliant)..."
USB On-The-Go connectors #3; "...To enable type-AB receptacles to distinguish which end of a cable is plugged in, mini and micro plugs have an "ID" pin in addition to the four contacts found in standard-size USB connectors. This ID pin is connected to GND in type-A plugs, and left unconnected in type-B plugs.
Typically, a pull-up resistor in the device is used to detect the presence or absence of an ID connection..."
Mobile Device Charger Standards #4; "...In China...This was the first standard to use the convention of shorting D+ and D-..."
EU Smartphone Power Supply Standard #5; "... The EU's common EPS specification (EN 62684:2010) references the USB Battery Charging standard and is similar to the GSMA/OMTP and Chinese charging solutions..."