Digi Connect ME Hardware Reference Manual page 44

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The following table illustrates typical power consumptions using these power management

mechanisms. These measurements were taken with all Digi NS9210 processor's I/O clocks

disabled except UART A, UART C, Ethernet MAC, I/O Hub and Memory Clock0 with the

ethernet connected to a 100Mb network, using a standard module plugged into a Digi

JumpStart Kit development board, with nominal voltage applied:

Mode

Normal Operational Mode

Full Clock Scaling Mode

Sleep Mode

Note 1: This measurement was taken from the R6 current sense resistor using a 0.025 ohm shunt on the

JumpStart Kit development board.

Note 2: This is the default power consumption mode when entering applicationStart(), as measured with the

napsave sample application. The value of the NS9210 Clock Configuration register (A090017C) is 0001200B

hexadecimal.

Note 3: This measurement was produced by selecting the "Clock Scale" menu option in the napsave sample

application.

Note 4: This measurement was produced by selecting the "Deep Sleep/Wakeup with an External IRA" menu

option in the napsave sample application.

Power Consumption

1.14W (346mA)

.613W (186mA)

.113W (34mA)

P r o g r a m m i n g C o n s i d e r a t i o n s

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