Atmel AT32UC3L016, Manual

Page: 43 / 88

43
32099DS–06/2010
AT32UC3L016/32/64
– OSC0 (crystal oscillator) stopped
– OSC32K (32KHz crystal oscillator) running with external 32KHz crystal
– DFLL running at 50MHz with OSC32K as reference
• Clocks
– DFLL used as main clock source
– CPU, HSB, and PBB clocks undivided
– PBA clock divided by 4
– The following peripheral clocks running
• PM, SCIF, AST, FLASHCDW, PBA bridge
– All other peripheral clocks stopped
• I/Os are inactive with internal pull-up
• Flash enabled in high speed mode
• POR33 disabled
Table 7-5. Power Consumption for Different Modes
Mode Conditions Measured on Consumption Typ Unit
Active
-CPU running a recursive Fibonacci algorithm
Amp0
260
µA/MHz
-CPU running a division algorithm 165
Idle 92
Frozen 58
Standby 47
Stop 37
µA
DeepStop 23
Static
-OSC32K and AST stopped
-Internal core supply
10
-OSC32K running
-AST running at 1KHz
-External core supply ( Figure 7-2 )
5.3
-OSC32K and AST stopped
-External core supply ( Figure 7-2 )
4.7
Shutdown
-OSC32K running
-AST running at 1KHz
600
nA
-AST and OSC32K stopped 9