10.1.10.3 Power Consumption in ULP0, ULP1 and Idle Modes
- Figure 10-47, Figure 10-48, Table 10-67 and Table 10-68 report the SAM9X7 Series average power consumption in Idle, ULP0 and ULP1 modes versus temperature measured on a few typical devices. They do not provide maximum power consumption specifications.
- All power supply inputs are powered within their operating range and in particular VDDCORE = 1.15V.
- There is no consumption on the device I/Os. To reach the best possible power consumption figures, it is of prime importance to set each I/O of the device to an appropriate state (Pull-Up/Pull-Down, etc.) with respect to the external components connected to these I/Os.
- USB transceivers are disabled.
- All peripheral clocks are disabled.
- Current measurement as per the following figure.
Low-Power Mode (mW) | PVDD3v3 | PVDDCORE | PVDD3v3 | PVDDCORE | PVDD3v3 | PVDDCORE | PVDD3v3 | PVDDCORE | PVDD3v3 | PVDDCORE | PVDD3v3 | PVDDCORE | Wake-up Time (μs) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
TA (°C) | -40 | 25 | 50 | 70 | 85 | 105 | |||||||
Idle (MCK @ 266 MHz) | 0.66 | 37.95 | 0.83 | 44.85 | 0.86 | 51.75 | 0.89 | 59.80 | 0.89 | 70.15 | 0.92 | 86.25 | 10x tCPU_CLK |
ULP1 | 0.66 | 1.58 | 0.83 | 4.73 | 0.86 | 8.93 | 0.89 | 15.75 | 0.89 | 23.10 | 0.92 | 33.60 | 1515 |
ULP1 @ 1.0V | 0.66 | 1.00 | 0.83 | 3.00 | 0.86 | 6.00 | 0.89 | 10.00 | 0.89 | 14.50 | 0.92 | 23.00 | |
ULP0 @ 32 kHz | 0.66 | 1.26 | 0.83 | 7.04 | 0.86 | 12.50 | 0.89 | 19.11 | 0.89 | 25.73 | 0.92 | 36.96 | 5625 |
ULP0 @ 187.5 kHz | 0.99 | 1.37 | 1.12 | 7.09 | 1.16 | 12.60 | 1.19 | 19.22 | 1.19 | 25.73 | 1.22 | 36.96 | 960 |
ULP0 @ 750 kHz | 0.99 | 1.47 | 1.12 | 7.14 | 1.16 | 12.71 | 1.19 | 19.22 | 1.19 | 25.73 | 1.22 | 36.96 | 240 |
ULP0 @ 12 MHz | 0.99 | 2.52 | 1.12 | 8.19 | 1.16 | 14.18 | 1.19 | 20.16 | 1.19 | 26.67 | 1.22 | 37.70 | 15 |
The following figures plot the power consumption of the SAM9X7 Series in ULP0, ULP1 and Idle modes. These figures account for the power consumption in VDDCORE and VDDIN33: Power (mW) = IDDIN33 x 3.3V + IDDCORE x 1.15V, with IDDIN33 and + IDDCORE as measured in the above table.
The following table shows the specification for ULP1 mode power consumption on VDDCORE and VDDIN33.
Symbol | Parameter | Conditions | Min | Max | Unit |
---|---|---|---|---|---|
PVDDCORE | Power consumption in ULP1 mode (VDDCORE) | VDDCORE = 1.0V, TA = 105°C | – | 50 | mW |
Power consumption in ULP1 mode (VDDCORE) | VDDCORE = 1.0V, TA = 85°C | – | 30 | mW | |
PVDDIN33 | Power consumption in ULP1 mode (VDDIN33) | VDDIN33 = 3.3V | – | 1 | mW |