STM32U595AI datasheet(340/377 Pages) STMICROELECTRONICS

340 / 377 page

Electrical characteristics

STM32U59xxx

340/377

DS13633 Rev 1

The parameters given in tables below are derived from tests performed under temperature

and VDD supply voltage conditions summarized in Table 32: General operating conditions.

Table 147. OTG_HS electrical characteristics(1)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VDDUSB USB transceiver operating voltage

3.12(2)

-3.6

fHCLK

fHCLK value to guarantee proper operation of

the OTG_HS interface

-30(3)

MHz

RPUI

Embedded OTG_HS_DP pull-up value during idle

900

1250

1575

Ω

RPUR

Embedded OTG_HS_DP pull-up value during

reception

1425(3) 2250 3090(3)

RPD

Embedded OTG_HS_DP and OTG_HS_DM

pull-down value

14250

24800

ZDRV

Output driver impedance(4)

Driving high or low 40.5(3)

49.5(3)

tlr

Rise time

CL < 5 pF

0.5(3)

tlf

Fall time

CL < 5 pF

0.5(3)

tlrfm

Rise/fall time matching

80(3)

125(3)

1. Evaluated by characterization. Not tested in production, unless otherwise specified.

2. The USB functionality is ensured down to 3 V but not the full USB electrical characteristics which are degraded

in 3.0 to 3.12 V voltage range.

3. Specified by design. Not tested in production.

4. No external termination series resistors are required on OTG_HS_DP (D+) and OTG_HS_DM (D-). The matching

impedance is already included in the embedded driver.

Table 148. OTG_HS DC electrical characteristics(1)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

Vhssq

High-speed squelch detection threshold

100(2)

150

Vhsdsc High-speed disconnect detection threshold

525

625

Vhsdif

High-speed differential detection threshold

100

Vhscm High-speed data signaling common mode voltage range

-50

500

Vhsoi

High-speed idle level

-10

Vhsoh

High-speed data signaling high

360

440

Vhsol

High-speed data signaling low

-10

Vhchirpj Chirp J level

700

1100

Vhchirpk Chirp K level

-900

-500

1. Evaluated by characterization. Not tested in production.

2. 50 mV test waivers from usb.org have been applied.

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