Mc68340 Power Reduction At 5V; Mc68340 Current Vs. Activity At 5 V - Motorola MC68340 User Manual

10.3.1 MC68340 Power Reduction at 5V

The following figures show how different variables affect typical power consumption at
5 V. Figure 10-15 shows how system activity affects current drain. Figure 10-16 shows
how voltage affects current drain at some typical operating temperatures. Figure 10-17
shows how system clock frequency affects current drain.
120
90
60
42
30
0
INITIALIZATION
Figure 10-15. MC68340 Current vs. Activity at 5 V
MOTOROLA
Freescale Semiconductor, Inc.
93
81
MAX SERIAL
CURRENT OFF
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Typical values
73
66
+TIMER 1 +TIMER 2
OFF OFF
32KHz xtal
16.78 MHz
24 C
62
.06
+DMA +LPSTOP
OFF
10-11