STM32WB55CC datasheet(152/165 Pages) STMICROELECTRONICS

152 / 165 page

Electrical characteristics

STM32WB55xx

152/165

DS11929 Rev 3

USB characteristics

The STM32WB55xx USB interface is fully compliant with the USB specification version 2.0,

and is USB-IF certified (for Full-speed device operation).

Table 94. USB electrical characteristics(1)

1. TA = -40 to 125 °C unless otherwise specified.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VDDUSB

USB transceiver operating voltage

3.0(2)

2. The STM32WB55xx USB functionality is ensured down to 2.7 V, but the full USB electrical characteristics

are degraded in the 2.7 to 3.0 V voltage range.

-3.6

Tcrystal_less

USB crystal-less

operation temperature

--15

RPUI

Embedded USB_DP pull-up value

during idle

900

1250

1600

Ω

RPUR

Embedded USB_DP pull-up value

during reception

1400

2300

3200

ZDRV(3)

3. Guaranteed by design.

Output driver impedance(4)

4. No external termination series resistors are required on USB_DP (D+) and USB_DM (D-); the matching

impedance is already included in the embedded driver.

Driving high and low

STM32WB55CC Datasheet(PDF) 152 Page - STMicroelectronics

STM32WB55CC Datasheet(HTML) 152 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL