AMD Geode™ SC2200 Processor Data Book 435
Electrical Specifications 32580B
9.3.14 Power Management
LED# Cycle time: 1 s ± 0.1 s, 40%-60% duty cycle.
Figure 9-53. PWRBTN# Trigger and ONCTL# Timing DiagramFigure 9-54. GPWIO a nd ONCTL# Timing DiagramTable 9-42. PWRBTN# Timing Parameters
Symbol Parameter Min Max Unit Comments
tPBTNP PWRBTN# pulse width 16 ms Note 1
tPBTNE Delay from PWRBTN# events to
ONCTL#
14 16 ms
Note 1. Not 100% tested.
PWRBTN#
ONCTL#
tPBTNP tPBTNP
tPBTNE tPBTNE
Table 9-43. Power Management Event (GPWIO) and ONCTL# Tim ing Parameters
Symbol Parameter Min Max Unit Comments
tPM Power management event to ONCTL#
assertion
45 ns
tPM
ONCTL#
PWRCNT1
GPWIOx
PWRCNT2