15 power management, Figure 9-54, Pwrbtn# trigger and onctl# timing diagram – AMD Geode SC1201 User Manual

Page 432: Figure 9-55, Gpwio and onctl# timing diagram, Table 9-44, Pwrbtn# timing parameters, Table 9-45

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432

AMD Geode™ SC1200/SC1201 Processor Data Book

Electrical Specifications

32579B

9.3.15

Power Management

LED# Cycle time: 1 s

± 0.1 s, 40%-60% duty cycle.

Figure 9-54. PWRBTN# Trigger and ONCTL# Timing Diagram

Figure 9-55. GPWIO and ONCTL# Timing Diagram

Table 9-44. PWRBTN# Timing Parameters

Symbol

Parameter

Min

Max

Unit

Comments

t

PBTNP

PWRBTN# pulse width

16

ms

Note 1

t

PBTNE

Delay from PWRBTN# events to
ONCTL#

14

16

ms

Note 1. Not 100% tested.

PWRBTN#

ONCTL#

t

PBTNP

t

PBTNP

t

PBTNE

t

PBTNE

Table 9-45. Power Management Event (GPWIO) and ONCTL# Timing Parameters

Symbol

Parameter

Min

Max

Unit

Comments

t

PM

Power management event to ONCTL#
assertion

45

ns

t

PM

ONCTL#

PWRCNT1

GPWIOx

PWRCNT2

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