Low Power
The following tables show the power consumption of 12 buttons, single button, and lump
while all other buttons are suspended for 3.3V and 5V VDD.
Twelve Buttons
| Voltage | Measurement Period | IDD (µA) |
|---|
| Oversample |
|---|
| x8 | x16 | x32 | x64 |
|---|
| 3.3V | 100 | 93 | 187 | 329 | 440 |
| 200 | 58 | 96 | 122 | 308 |
| 250 | 38 | 59 | 98 | 178 |
| 5V | 100 | 151 | 227 | 378 | 680 |
| 200 | 77 | 116 | 192 | 345 |
| 250 | 62 | 93 | 153 | 274 |
Single Button
| Voltage | Measurement Period | IDD (µA) |
|---|
| Oversample |
|---|
| x8 | x16 | x32 | x64 |
|---|
| 3.3V | 100 | 14.5 | 21 | 26.7 | 45.3 |
| 200 | 8.1 | 10 | 14.4 | 23.6 |
| 250 | 6.4 | 8.8 | 11.8 | 19.2 |
| 5V | 100 | 21.7 | 29.5 | 44.4 | 74.3 |
| 200 | 12.5 | 18.8 | 29 | 36.6 |
| 250 | 10.4 | 15.4 | 23.1 | 29.8 |
Lump Without Drift
Table 6-1. Button 5 and Button 6 Are Part of Lump
0, Which Is Configured as Low-Power Button| Voltage | Measurement Period | IDD (µA) |
|---|
| Oversample |
|---|
DEVCTRL.DLPLB =
0 |
|---|
| x8 | x16 | x32 | x64 |
|---|
| 3.3V | 100 | 14.5 | 21 | 26.7 | 45.3 |
| 200 | 8.1 | 10 | 14.4 | 23.6 |
| 250 | 6.4 | 8.8 | 11.8 | 19.2 |
| 5V | 100 | 21.4 | 28.6 | 42.3 | 69.5 |
| 200 | 12.3 | 18.8 | 29 | 36.6 |
| 250 | 10.4 | 15.4 | 23.1 | 29.8 |
Lump With Drift
Table 6-2. Button 5 and Button 6 Are Part of
Lump 0, Which Is Configured as Low-Power Button| Voltage | Measurement Period | IDD (µA) |
|---|
| Oversample |
|---|
DEVCTRL.DLPLB =
1 |
|---|
| x8 | x16 | x32 | x64 |
|---|
| 3.3V | 100 | 19 | 25.7 | 38.7 | 65.1 |
| 200 | 10.3 | 13.5 | 19.9 | 33 |
| 250 | 8.3 | 11.2 | 16.6 | 27.4 |
| 5V | 100 | 28.8 | 37.9 | 55.3 | 91.3 |
| 200 | 16.7 | 21.6 | 29.3 | 45.5 |
| 250 | 13.3 | 16.7 | 24.1 | 38.7 |
