SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 423

• Manufacturer Part Number: SC2200
• Description: Thin Client On a Chip
• Manufacturer: NSC [National Semiconductor]

Revision 3.0
Electrical Specifications
8.3.14 Power Management Interface
LED# Cycle time: 1 s
1.
Symbol
t
t
Symbol
t
PBTNP
PBTNE
PM
Not 100% tested.
GPWIOx
PWRBTN#
ONCTL#
PWRCNT1
PWRCNT2
ONCTL#
Table 8-42. Power Management Event (GPWIO) and ONCTL# Timing Parameters
Parameter
PWRBTN# Pulse Width
Delay from PWRBTN# Events to
ONCTL#
Parameter
Power Management Event to ONCTL#
assertion
0.1 s, 40%-60% duty cycle.
Figure 8-53. PWRBTN# Trigger and ONCTL# Timing Diagram
Figure 8-54. GPWIO and ONCTL# Timing Diagram
(Continued)
Table 8-41. PWRBTN# Timing Parameters
1
t
PBTNE
t
PBTNP
t
PM
Min
Min
16
14
423
Max
Max
16
45
Unit
Unit
ms
ms
ns
t
PBTNE
t
PBTNP
Conditions
Conditions
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