STM32F107RB datasheet(74/108 Pages) STMICROELECTRONICS

74 / 108 page

Electrical characteristics

STM32F105xx, STM32F107xx

74/108

DocID15274 Rev 10

CAN (controller area network) interface

Refer to Section 5.3.12: I/O current injection characteristics for more details on the

input/output alternate function characteristics (CANTX and CANRX).

5.3.17

12-bit ADC characteristics

Unless otherwise specified, the parameters given in Table 52 are derived from tests

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

conditions summarized in Table 9.

Note:

It is recommended to perform a calibration after each power-up.

Table 51. Dynamic characteristics: Ethernet MAC signals for MII

Symbol

Rating

Min

Typ

Max

Unit

tsu(RXD)

Receive data setup time

tih(RXD)

Receive data hold time

tsu(DV)

Data valid setup time

tih(DV)

Data valid hold time

tsu(ER)

Error setup time

tih(ER)

Error hold time

td(TXEN)

Transmit enable valid delay time

td(TXD)

Transmit data valid delay time

Table 52. ADC characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDA Power supply

2.4

3.6

VREF+ Positive reference voltage

2.4

VDDA

IVREF Current on the VREF input pin

160(1)

220(1)

µA

fADC

ADC clock frequency

0.6

MHz

fS(2)

Sampling rate

0.05

MHz

fTRIG(2) External trigger frequency

fADC = 14 MHz

823

kHz

1/fADC

VAIN

Conversion voltage range(3)

0 (VSSA or VREF-

tied to ground)

VREF+

RAIN(2) External input impedance

See Equation 1 and

Table 53 for details

RADC(2) Sampling switch resistance

CADC(2) Internal sample and hold capacitor

tCAL(2) Calibration time

fADC = 14 MHz

5.9

µs

1/fADC

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