Datasheet

Functional overview STM32L011x3/4
16/119 DocID027973 Rev 5
Table 3. Functionalities depending on the operating power supply range
Operating power supply range
Functionalities depending on the operating power
supply range
ADC operation
Dynamic voltage scaling
range
V
DD
= 1.65 to 1.71 V
ADC only, conversion time
up to 570 ksps
Range 2 or
range 3
V
DD
= 1.71 to 1.8 V
(1)
1. CPU frequency changes from initial to final must respect the condition: f
CPU initial
<4f
CPU initial
. It must also
respect 5 μs delay between two changes. For example to switch from 4.2 MHz to 32 MHz, you can switch
from 4.2 MHz to 16 MHz, wait 5 μs, then switch from 16 MHz to 32 MHz.
ADC only, conversion time
up to 1.14 Msps
Range 1, range 2 or range 3
V
DD
= 1.8 to 2.0 V
(1)
Conversion time up to 1.14
Msps
Range1, range 2 or range 3
V
DD
= 2.0 to 2.4 V
Conversion time up to 1.14
Msps
Range 1, range 2 or range 3
V
DD
= 2.4 to 3.6 V
Conversion time up to 1.14
Msps
Range 1, range 2 or range 3
Table 4. CPU frequency range depending on dynamic voltage scaling
CPU frequency range Dynamic voltage scaling range
16 MHz to 32 MHz (1ws)
32 kHz to 16 MHz (0ws)
Range 1
8 MHz to 16 MHz (1ws)
32 kHz to 8 MHz (0ws)
Range 2
32 kHz to 4.2 MHz (0ws) Range 3
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.