Rtc Well Input Strap Requirements - Intel EP80579 Manual

Real Time Clock (RTC) Interface—Intel
15.1.7

RTC Well Input Strap Requirements

All RTC-well inputs (RTEST#, INTRUDER#) recommend be either pulled up to VCCPRTC
or pulled down to ground while in the G3 state. RTEST#, when configured as shown in
Figure 132
pull-up to VCCPRTC. This will prevent these nodes from floating in the G3 state and
correspondingly will prevent I
is recommended that the PWROK input signal also be configured with an external weak
pull-down.
®
Intel EP80579 Integrated Processor Product Line
Order Number: 320068-005US
®
EP80579 Integrated Processor Product Line
meets this requirement. INTRUDER# recommend have a weak external
RTC leakage that can cause excessive coin-cell drain. It
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May 2010
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