I have problems whith RTC 62421B
EPSON.
If somebody have used, can help ???
I have install battery and anything
followed drawing manual but when switch off, the time is lost.
I have used the TL 7705 for power down,
it go low at 4,5 volts connect CS1, pin AL to vcc, the battery it's 3.6 volts,
The VDD have a diode and also the battery, where I can take informations out EPSON?
thanks
Maurizio