pic32mx320f064h Microchip Technology Inc., pic32mx320f064h Datasheet - Page 419

• Manufacturer Part Number: pic32mx320f064h
• Description: 64/100-pin General Purpose, 32-bit Flash Microcontrollers
• Manufacturer: Microchip Technology Inc.

21.7
The following flowchart explains in detail the steps that
have to be performed in order to update the RTCTIME
and RTCDATE registers.
© 2007 Microchip Technology Inc.
Write RTCTIME, RTCDATE
Wait RTCC clock off
RTCCON.ON?
Updating the Time and Date
Registers
Start
No
Write RTCTIME, RTCDATE
No
ei
Yes
Advance Information
Updating the RTCCTIME, RTCCDATE registers logic flow
End
(ALRMEN && AMASK==HALFSEC &&
Write RTCTIME, RTCDATE
ALRMSYNC)||RTCSYNC?
Wait RTCC clock off
RTCON.ON=0;
Either, faster
Yes
di
ei
?
PIC32MX FAMILY
Or, slower
Pulse=ALRMSYNC
Pulse=RTCSYNC
While(pulse);
pulse?
Yes
Or
di
ei
Write RTCTIME, RTCDATE
DS61143A-page 417
No
ei