Low Power Operation - Texas Instruments Chipcon CC2430DB User Manual

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6.3 Low power operation

CC2430DB is designed for low power operation when running from batteries. Only the
CC2430 is powered in this mode, the USB MCU is not powered. The voltage to the peripheral
functions connected to the CC2430 is controlled by an I/O pin P1.2 (VDD_SW_CTRL) on the
CC2430. Table 4 lists the current consumption for each of the peripherals.
To obtain minimum current consumption with the CC2430DB, the VDD_SW_CTRL (P1.2)
output must be configured as output.
Figure 8: Voltage supply distribution
Table 4 below shows the current consumption for all modules and operation modes with 3.3V
supply voltage
SWRU125
Page 11

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