SAM3A8C Atmel Corporation, SAM3A8C Datasheet - Page 248

• Manufacturer Part Number: SAM3A8C
• Manufacturer: Atmel Corporation

248
248
SAM3X/A
SAM3X/A
Figure 15-2. Update Sequence
Update Time and/or Calendar values in
Clear UPDTIM and/or UPDCAL bit in
Clear ACKUPD bit in RTC_SCCR
Prepare TIme or Calendar Fields
Set UPDTIM and/or UPDCAL
RTC_TIMR/RTC_CALR
bit(s) in RTC_CR
Read RTC_SR
ACKUPD
RTC_CR
Begin
= 1 ?
End
Yes
No
Polling or
IRQ (if enabled)
11057A–ATARM–17-Feb-12
11057A–ATARM–17-Feb-12