the problems with st7538

[yuanye-28]

Posted on September 08, 2005 at 07:26

the problems with st7538

[yuanye-28]

Posted on May 30, 2005 at 05:44

the page 3 of st7538's datasheet says:37 pin(C_MINUS) :if not used this must be connected to VDC.38 pin(C_PLUS):if not used this must be tied low (SGND or PAVSS or DVSS).

but in the an1714 figure 12,it shows that 37 pin(C_MINUS) is tied low,38 pin (C_PLUS) is connected VDC. Who can tell me which is right? thank you :p

[yuanye-28]

Posted on June 08, 2005 at 07:03

Emile,I see.thank you very much. :p

[yuanye-28]

Posted on June 09, 2005 at 01:52

how to know the data already writing register.

what means that register read.