STM32H533CE datasheet(195/231 Pages) STMICROELECTRONICS

195 / 231 page

DS14539 Rev 1

195/231

STM32H533xx

Electrical characteristics

200

Figure 54. USB timings - definition of data signal rise and fall time

4. RL is the load connected on the USB full speed drivers.

Table 113. USB startup time

Symbol

Parameter

Max

Unit

tSTARTUP(1)

1. Specified by design - Not tested in production.

USB transceiver startup time

μs

ai14137b

Cross over

points

Differential

data lines

VCRS

VSS

Table 114. USB electrical characteristics(1)

Driver characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

trLS

Rise time in LS(2)

CL = 200 to 600 pF

300

tfLS

Fall time in LS(2)

CL = 200 to 600 pF

300

trfmLS

Rise/fall time matching in LS

tr/tf

125

trFS

Rise time in FS(2)

CL = 50 pF

tfFS

Fall time in FS(2)

CL = 50 pF

trfmFS

Rise/fall time matching in FS

tr/tf

111

VCRS

Output signal crossover voltage (LS/FS)

1.3

2.0

ZDRV

Output driver impedance(3)

Driving high or low

Ω

1. Specified by design - Not tested in production.

2. Measured from 10% to 90% of the data signal. For more detailed information, refer to USB specification -

chapter 7 (version 2.0).

3. No external termination series resistors are required on DP (D+) and DM (D-) pins since the matching

impedance is included in the embedded driver.

Table 115. USB BCD DC electrical characteristics(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

IDD(USBBCD)

Primary detection mode consumption

300

μA

Secondary detection mode consumption

300

RDAT_LKG

Data line leakage resistance

300

kΩ

VDAT_LKG

Data line leakage voltage

0.0

3.6

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