Intel C2518 FH8065501516710 Data Sheet
Product codes
FH8065501516710
Intel
®
Atom™ Processor C2000 Product Family for Microserver
September 2014
Datasheet, Vol. 3 of 3
Order Number: 330061-002US
679
Volume 3—Signal Electrical and Timing Characteristics—C2000 Product Family
SoC Real-Time Clock (RTC) Interface
33.20
SoC Real-Time Clock (RTC) Interface
The SoC requires a 32.768KHz crystal in parallel resonance mode. The DC and crystal
requirements follow.
33.20.1
DC Specifications
and
contain the DC specifications for the RTC signals. These
signals are in the RTC power well of the SoC.
• RSMRST_B (Input)
• COREPWROK (Input)
• SRTCRST_B (Input)
• COREPWROK (Input)
• SRTCRST_B (Input)
• RTEST_B (Input)
Table 33-40. RTC Input Signal DC Specifications
Symbol
Parameter
Min
Max
Unit
Note
V
IL
Input Low Voltage
–0.5
0.78
V
V
IH
Input High Voltage
2.0
VRTC3P0+0.5
V
Table 33-41. RTC RTEST_B Signal DC Specifications
Symbol
Parameter
Min
Max
Unit
Note
V
IL
Input Low Voltage
–0.5
0.78
V
V
IH
Input High Voltage
2.3
VRTC3P0+0.5
V
Special V
IH
Min for
bad-battery detection