STM32F372VB datasheet(106/128 Pages) STMICROELECTRONICS

106 / 128 page

Electrical characteristics

STM32F37x

106/128

Doc ID 022691 Rev 3

Figure 32.

USB timings: definition of data signal rise and fall time

6.3.24

CAN (controller area network) interface

Refer to Section 6.3.14: I/O port characteristics for more details on the input/output alternate

function characteristics (CAN_TX and CAN_RX).

6.3.25

SDADC characteristics

ai14137

Differen tial

Data L ines

VSS

VCRS

Crossover

points

Table 73.

USB: Full-speed electrical characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Driver characteristics

Rise time(2)

CL = 50 pF

Fall time(2)

CL = 50 pF

trfm

Rise/ fall time matching

tr/tf

110

VCRS

Output signal crossover voltage

1.3

2.0

Output driver

Impedance(3)

ZDRV

driving high and

low



Guaranteed by design, not tested in production.

Measured from 10% to 90% of the data signal. For more detailed informations, please refer to USB Specification - Chapter

7 (version 2.0).

No external termination series resistors are required on USB_DP (D+) and USB_DM (D-), the matching impedance is

already included in the embedded driver.

Table 74.

SDADC characteristics (1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Note

VDDSDx

Power

supply

Slow mode (fADC = 1.5 MHz)

2.2

VDDA

Fast mode (fADC = 6 MHz)

2.4

VDDA

fADC

SDADC

clock

frequency

Slow mode (fADC = 1.5 MHz)

0.5

1.5

1.65

MHz

Fast mode (fADC = 6 MHz)

0.5

6.3

VREFSD+

Positive ref.

voltage

1.1

VDDSDx

VREFSD-

Negative

ref. voltage

VSSA

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