pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 59

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

Revision 1.2
3.0 Power, Reset and Clocks
Table 9 summarizes the power states related to the PC87591L-N05 power planes.
Figure 8 shows the power state transitions.
3.1.3
The PC87591L-N05 requires a power supply voltage of 3.3V 10% for all the digital supplies (V
power supply requires a voltage of 3.3V 10% or 3.3V
the accuracy of measuring input voltage values close to the full-scale (see Section 7.4.1 on page 340).
Both AV
if operated with only one of them (AV
may cause current leakage. Therefore, ADC and DAC modules should be left at their reset condition (disabled) or disabled
V
V
CC
DD
On and
On
CC
Power Connection and Layout Guidelines
and V
Power Applied
1. Operation is not guaranteed.
2. X = Don’t care.
V
V
CC
DD
CC
V
DD
On and
Off
should be applied for correct operation; and although the PC87591L-N05 is protected against damage
Power State
Off
Battery Fail
Host Domain
Power Fail
Power On
Illegal
Power Off
Table 9. PC87591L-N05 Power States and Related Power Planes
Host
Host
Host Power Off
Host Power On
Active and Idle
1
V
and V
V
BAT
CC
DD
V
V
or V
On
On (V
CC
CC
DD
(Continued)
Figure 8. Power State Transitions
CC
Off
On and
Off
PP
V
), the ADC and DAC modules do not function correctly in such a case and
V
BAT
DD
Host Domain
On)
On
Off and V
(V
Battery Fail
x
Power Fail
+
+
DD
x
x
5%. A 3.3V
-
-
-
2
)
59
CC
V
and V
BAT
Off (V
Suspend
Hardware
Event
V
On (V
CC
(V
CC
5% analog supply is recommended since it improves
+
+
+
+
CC
-
-
-
-
PP
Off
On
)
Off)
PP
On)
Analog
(AV
Software
Controlled
Idle
+
+
+
+
-
-
-
-
CC
Core Domain
Active
)
Battery
Backed
(V
V
CC
+
+
+
+
x
x
x
PP
-
Hardware
Event
CC
)
On
and V
Power Applied
(V
V
CC
with WAIT
BAT
+
x
x
x
x
x
x
-
DD
Software
Controlled
On)
Active
). The analog
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