SAM3N00A Atmel Corporation, SAM3N00A Datasheet - Page 232

• Manufacturer Part Number: SAM3N00A
• Manufacturer: Atmel Corporation

Figure 14-2. Update Sequence
Begin
Prepare TIme or Calendar Fields
Set UPDTIM and/or UPDCAL
bit(s) in RTC_CR
Read RTC_SR
Polling or
IRQ (if enabled)
No
ACKUPD
= 1 ?
Yes
Clear ACKUPD bit in RTC_SCCR
Update Time and/or Calendar values in
RTC_TIMR/RTC_CALR
Clear UPDTIM and/or UPDCAL bit in
RTC_CR
End
SAM3N
232
11011A–ATARM–04-Oct-10