Datasheet

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STM32F37xxx Electrical characteristics
114
6.3 Operating conditions
6.3.1 General operating conditions
Table 22. General operating conditions
Symbol Parameter Conditions Min Max Unit
f
HCLK
Internal AHB clock frequency 0 72
MHzf
PCLK1
Internal APB1 clock frequency 0 36
f
PCLK2
Internal APB2 clock frequency 0 72
V
DD
Standard operating voltage
Must have a potential equal
to or lower than V
DDA
2.0 3.6 V
V
DDA
(1)
Analog operating voltage
(ADC and DAC used)
Must have a potential equal
to or higher than V
DD
2.4 3.6
V
Analog operating voltage
(ADC and DAC not used)
2.0 3.6
V
DDSD12
VDDSD12 operating voltage
(SDADC used)
Must have a potential equal
to or lower than V
DDA
2.2 3.6
V
VDDSD12 operating voltage
(SDADC not used)
2.0 3.6
V
DDSD3
VDDSD3 operatin g voltage
(SDADC used)
Must have a potential equal
to or lower than V
DDA
2.2 3.6
V
VDDSD3 operating voltage
(SDADC not used)
2.0 3.6
V
REF+
Positive reference voltage (ADC
and DAC used)
Must have a potential equal
to or lower than V
DDA
2.4 3.6
V
Positive reference voltage (ADC
and DAC not used)
2.0 3.6
V
REFSD+
SDADCx positive reference
voltage
Must have a potential equal
to or lower than any V
DDSDx
1.1 3.6 V
V
BAT
Backup operating voltage 1.65 3.6 V
V
IN
Input voltage on FT and FTf
pins
(2)
- 0.3 5.5
V
Input voltage on TTa pins - 0.3
V
DDA
+ 0.3
Input voltage on TC pins on
SDADCx channels inputs
(3)
- 0.3
V
DDSDx
+ 0.3
Input voltage on BOOT0 pin 0 5.5
Input voltage on any other pin - 0.3
V
DD
+ 0.3