Datasheet

1080
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
RTC:
Updated Section 15.2 ”Embedded Characteristics”.
Section 15.5.3 ”Alarm”, added a paragraph on SECEN, MINEN, HOUREN enabling with the corresponding
note.
Added the same note in Section 15.6.5 ”RTC Time Alarm Register” and Section 15.6.6 ”RTC Calendar
Alarm Register”.
8544
8900/
9027
WDT:
Updated Section 17.1 ”Description”.
Section 17.2 ”Embedded Characteristics”, added the 2nd bullet and removed AMBA references.
Section 17.4 ”Functional Description”, added the 4th paragraph ‘If the watchdog is restarted...’ and added
the corresponding notes in Section 17.5.2 ”Watchdog Timer Mode Register”.
Section 17.5.1 ”Watchdog Timer Control Register”:
- WDRSTT: added details in the bitfield description
- KEY: replaced the bitfield description with a table
8429
8218
8128/rfo
8844/rfo
SHDWC:
Section 18.2 ”Embedded Characteristics”, removed AMBA references.
Section 18.7.1 ”Shutdown Control Register”:
- KEY: replaced the bitfield description with a table
Section 18.7.2 ”Shutdown Mode Register”:
- WKMODE0 bitfield description table: added a column and updated other column headings to “Value/Name/
Description”, replaced binary configuration values with decimal values
- CPTWK0: updated the bitfield description
rfo
8869
8432
SCKC:
Section 20.3 ”Block Diagram”, updated the location of RCEN, OSC32EN, OSCSEL and OSC32BYP bits
from Slow Clock Control Register (SCKCR) to Slow Clock Configuration Register (SCKC_CR).
8322
PMC:
Section 21.5 ”Main Clock”:
- added Section 21.5.4 ”Switching Main Clock between the Main RC Oscillator and Fast Crystal Oscillator”
- Section 21.5.5 ”Software Sequence to Detect the Presence of Fast Crystal”: added details on the Main RC
oscillator (must be kept enabled) to the sequence introduction phrase.
9245
Doc. Rev
11063J
Comments Change
Request
Ref.