STM32F107RC datasheet(71/103 Pages) STMICROELECTRONICS

71 / 103 page

STM32F105xx, STM32F107xx

Electrical characteristics

Doc ID 15274 Rev 6

71/104

Ethernet characteristics

Table 48 showns the Ethernet operating voltage.

Table 49 gives the list of Ethernet MAC signals for the SMI (station management interface)

and Figure 31 shows the corresponding timing diagram.

Figure 31.

Ethernet SMI timing diagram

Table 50 gives the list of Ethernet MAC signals for the RMII and Figure 32 shows the

corresponding timing diagram.

Table 47.

USB OTG FS electrical characteristics(1)

Guaranteed by design, not tested in production.

Driver characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

Rise time(2)

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

Specification - Chapter 7 (version 2.0).

CL = 50 pF

420

Fall time(2)

CL = 50 pF

trfm

Rise/ fall time matching

tr/tf

110

VCRS

Output signal crossover voltage

1.3

2.0

Table 48.

Ethernet DC electrical characteristics

Symbol

Parameter

Min.(1)

All the voltages are measured from the local ground potential.

Max.(1)

Unit

Input level

VDD

Ethernet operating voltage

3.0

3.6

Table 49.

Dynamic characteristics: Ethernet MAC signals for SMI

Symbol

Rating

Min

Typ

Max

Unit

tMDC

MDC cycle time (1.71 MHz, AHB = 72 MHz)

583

583.5

584

td(MDIO)

MDIO write data valid time

13.5

14.5

15.5

tsu(MDIO) Read data setup time

th(MDIO)

Read data hold time

ETH_MDC

ETH_MDIO(O)

ETH_MDIO(I)

tMDC

td(MDIO)

tsu(MDIO)

th(MDIO)

ai15666c

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