ATMEGA256RFR2_14 Datasheet, PDF (571/611 Pages) ATMEL Corporation – Microcontroller with Low Power

ATmega256/128/64RFR2
Figure 36-12. Idle Supply Current vs. Frequency (V_DD = 3.0V, PRR0/1 set and reset)
5
4
3
125°C no PRR
85°C no PRR
25°C no PRR
2
-40°C no PRR
125°C PRR set
85°C PRR set
25°C PRR set
-40°C PRR set
1
0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
14.0
16.0
FrCeLqKue[MncHyz][MHz]
36.2 Current Consumption of Bandgap Source and Digital Voltage Regulator
The supply currents of band-gap reference source and digital voltage regulator are part
of all supply current measurement. In DEEP_SLEEP mode both units are disabled.
Figure 36-13. Combined Supply Current of Bandgap Source and Voltage Regulator
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
125°C
85°C
25°C
0.2
-40°C
0.1
0
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
CL_EK_VD[M_DH_[z_V]_]
36.3 Current Consumption in various Transceiver States
The AVR microcontroller is in Active state (clk_CPU=16MHz) with no power reduction set
by the register PRR0 and PRR1. The clock source of the microcontroller is the internal
16MHz RC Oscillator.
8393C-MCU Wireless-09/14
571