Intel C2518 FH8065501516710 Data Sheet
Product codes
FH8065501516710
Volume 2—Real Time Clock (RTC)—C2000 Product Family
Features
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
522
Order Number: 330061-002US
26.2
Features
The RTC features are:
• Similar to digital watches
• Runs even when system unplugged
• Small lithium battery (coin cell) keeps it powered
• Runs even when system unplugged
• Small lithium battery (coin cell) keeps it powered
— Typical 6-µA current draw during the system G3 mechanical off state
• 32.768-kHz crystal oscillator
• Seconds, minutes, hours, day, month, year
• Leap-years
• Generates a wake/interrupt when time matches a programmed value
• Includes 242-byte RAM backed by battery (CMOS RAM)
• Registers mapped to fixed I/O locations
• 70h index, 71h data
• Interrupt mapped to IRQ8 in 8259, I/O APIC
• Seconds, minutes, hours, day, month, year
• Leap-years
• Generates a wake/interrupt when time matches a programmed value
• Includes 242-byte RAM backed by battery (CMOS RAM)
• Registers mapped to fixed I/O locations
• 70h index, 71h data
• Interrupt mapped to IRQ8 in 8259, I/O APIC