Texas-instruments Digital Signal Processor SM320F2812-HT Manual de usuario descargar pdf (Pagina 88)

100

150

200

250

0 20 40 60 80 100 120 140 160

SYSCLKOUT (MHz)

IDD

IDDIO

IDD3VFL IDDA Total 3.3−V current

Current (mA)

100

200

300

400

500

600

700

0 20 40 60 80 100 120 140 160

SYSCLKOUT (MHz)

TOTAL POWER

Power (mW)

SM320F2812-HT

SGUS062B–JUNE 2009 – REVISED JUNE 2011

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6.5 Current Consumption Graphs

A. Test conditions are as defined in Table 6-5 for operational currents under nominal process voltage and temperature

conditions.

B. I

represents the total current drawn from the 1.8-V rail (V

). It includes a trivial amount of current (<1 mA) drawn

by V

DD1

C. IDDA represents the current drawn by VDDA1 and VDDA2 rails.

D. Total 3.3-V current is the sum of I

DDIO

, I

DD3VFL

, and I

DDA

. It includes a trivial amount of current (<1 mA) drawn by

VDDAIO.

Figure 6-2. Typical Current Consumption Over Frequency

Figure 6-3. Typical Power Consumption Over Frequency

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