STM32F407IE datasheet(124/180 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F405xx, STM32F407xx

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Doc ID 022152 Rev 3

CAN (controller area network) interface

Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate

function characteristics (CANTX and CANRX).

5.3.20

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 67 are derived from tests

performed under the ambient temperature, fPCLK2 frequency and VDDA supply voltage

conditions summarized in Table 13.

Table 66.

Dynamics characteristics: Ethernet MAC signals for MII(1)

TBD stands for “to be defined”.

Symbol

Rating

Min

Typ

Max

Unit

tsu(RXD)

Receive data setup time

TBD

tih(RXD)

Receive data hold time

TBD

tsu(DV)

Data valid setup time

TBD

tih(DV)

Data valid hold time

TBD

tsu(ER)

Error setup time

TBD

tih(ER)

Error hold time

TBD

td(TXEN)

Transmit enable valid delay time

13.4

15.5

17.7

td(TXD)

Transmit data valid delay time

12.9

16.1

19.4

Table 67.

ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA

Power supply

1.8(1)

-3.6

VREF+

Positive reference voltage

1.8(1)(2)(3)

-VDDA

fADC

ADC clock frequency

VDDA = 1.8

(1)(3) to 2.4 V

0.6

MHz

VDDA = 2.4 to 3.6 V

(3)

0.6

MHz

fTRIG

(4)

External trigger frequency

fADC = 30 MHz,

12-bit resolution

1764

kHz

1/fADC

VAIN

Conversion voltage range(5)

0 (VSSA or VREF-

tied to ground)

-VREF+

RAIN

(4)

External input impedance

See Equation 1 for

details

RADC

(4)(6) Sampling switch resistance

CADC

(4)

Internal sample and hold

capacitor

-4

tlat

(4)

Injection trigger conversion

latency

fADC = 30 MHz

0.100

µs

3(7)

1/fADC

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