V120 breakout connector pin outs

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rschoele
Posts: 17
Joined: Thu Apr 22, 2010 12:38 pm
Location: Seattle, WA

V120 breakout connector pin outs

Post by rschoele »

Hi,

I'm using a V120 camera and have the breakout cable connector. I want to send the signal from Pin2 IRLED_CTRL_OUT to some other devices to time them with the shutter opening.

Is pin 2 a buffered output?

I see that pin 6 VCAP_OUT puts out ~5V when the camera is activated. Is this capable of supplying a 2 input buffer/line driver with a MAX 70mA supply current?

Is pin 7 3.3V for supplying an external device and if so what are its specs?
rschoele
Posts: 17
Joined: Thu Apr 22, 2010 12:38 pm
Location: Seattle, WA

Re: V120 breakout connector pin outs

Post by rschoele »

This is essentially a binary question - yes or no
I know the IRCntrl_LED pin controls an IR strobe light - is its power supply off any of these pins? If so, what's the ratings on it?
wing
Posts: 15
Joined: Thu Sep 24, 2009 12:10 pm

Re: V120 breakout connector pin outs

Post by wing »

IRLED_CTRL_OUT is a dedicated (3.3V) LVTTL output. Iol=Ioh=8mA.

VCAP_OUT is not exactly a "5V" supply-rail. It's the output of a ST890 current-limiter, which is set for no less than 200mA. As long as the current drawn from this pis is <200mA, the voltage out of it should be within 0.5V of 5.0V.

The 3.3V output is good for 100mA as long as the current drawn through VCAP_OUT is <100mA.
wing
Posts: 15
Joined: Thu Sep 24, 2009 12:10 pm

Re: V120 breakout connector pin outs

Post by wing »

[quote=Ryan_Schoelerman]This is essentially a binary question - yes or no
I know the IRCntrl_LED pin controls an IR strobe light - is its power supply off any of these pins? If so, what's the ratings on it? [/quote]

IRLED_CTRL_OUT is an FPGA output from a 3.3V I/O-bank.
rschoele
Posts: 17
Joined: Thu Apr 22, 2010 12:38 pm
Location: Seattle, WA

Re: V120 breakout connector pin outs

Post by rschoele »

excellent, that helps.

thanks!
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