Datasheet

Electrical characteristics STM32L072xx
62/149 DocID027100 Rev 4
6.3 Operating conditions
6.3.1 General operating conditions
Table 26. General operating conditions
Symbol Parameter Conditions Min Max Unit
f
HCLK
Internal AHB clock frequency - 0 32
MHzf
PCLK1
Internal APB1 clock frequency - 0 32
f
PCLK2
Internal APB2 clock frequency - 0 32
V
DD
Standard operating voltage
BOR detector disabled 1.65 3.6
VBOR detector enabled, at power-on 1.8 3.6
BOR detector disabled, after power-on 1.65 3.6
V
DDA
Analog operating voltage (DAC not
used)
Must be the same voltage as V
DD
(1)
1.65 3.6 V
V
DDA
Analog operating voltage (all
features)
Must be the same voltage as V
DD
(1)
1.8 3.6 V
V
DD_US
B
Standard operating voltage, USB
domain
(2)
USB peripheral used 3.0 3.6
V
USB peripheral not used 1.65 3.6
V
IN
Input voltage on FT, FTf and RST
pins
(3)
2.0 V V
DD
3.6 V -0.3 5.5
V
1.65 V V
DD
2.0 V -0.3 5.2
Input voltage on BOOT0 pin - 0 5.5
Input voltage on TC pin - -0.3 V
DD
+0.3
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