Atmel AT32UC3L016, Manual

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42
32099DS–06/2010
AT32UC3L016/32/64
Note: 1. Slower rise time requires external power-on reset circuit.
7.4 Maximum Clock Frequencies
These parameters are given in the following conditions:
• V
VDDCORE
= 1.62 to 1.98V
• Temperature = -40°C to 85°C
7.5 Power Consumption
The values in Table 7-5 are measured values of power consumption under the following condi-
tions, except where noted:
• Operating conditions internal core supply ( Figure 7-1 ) - this is the default configuration
– V
VDDIN
= 3.0V
– V
VDDCORE
= 1.62V
– T
A
= 25
°
C
• Operating conditions external core supply ( Figure 7-2 ) - used only when noted
– V
VDDIN
= V
VDDCORE
= 1.8V
– T
A
= 25
°
C
• Oscillators
Table 7-3. Supply Rise Rates and Order
Symbol Parameter
Rise Rate
Min Max Unit Comment
V
VDDIO
DC supply peripheral I/Os 0 2.5 V/µs
V
VDDIN
DC supply peripheral I/Os
and internal regulator
0.002
(1)
2.5 V/µs
V
VDDCORE
DC supply core 0 2.5 V/µs
Rise before or at the same
time as VDDIO
V
VDDANA
Analog supply voltage 0 2.5 V/µs
Rise together with
VDDCORE
Table 7-4. Clock Frequencies
Symbol Parameter Conditions Min Max Units
f
CPU
CPU clock frequency 50 MHz
f
PBA
PBA clock frequency 50 MHz
f
PBB
PBB clock frequency 50 MHz
f
GCLK0
GCLK0 clock frequency 150 MHz
f
GCLK1
GCLK1 clock frequency 150 MHz
f
GCLK2
GCLK2 clock frequency 80 MHz
f
GCLK3
GCLK3 clock frequency 110 MHz
f
GCLK4
GCLK4 clock frequency 110 MHz
f
GCLK5
GCLK5 clock frequency 80 MHz