AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 96

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

Figure 14-2. Update Sequence
96
AT91SAM9G45
Update Time andor 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)
6438F–ATARM–21-Jun-10