STM32G0C1NET7 datasheet(123/159 Pages) STMICROELECTRONICS

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DS13564 Rev 4

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STM32G0C1xC/xE

Electrical characteristics

124

USB full speed (FS) characteristics

The STM32G0C1xC/xE USB interface is fully compliant with the USB specification version

2.0 and Battery charging rev 1.2 (primary and secondary detection).

tsu(NSS)

NSS setup time

Slave mode

tker + 2

th(NSS)

NSS hold time

Slave mode

tw(CKH)

CK high time

Master mode

1 / fCK / 2

- 1

1 / fCK / 2

+ 1

tw(CKL)

CK low time

tsu(RX)

Data input setup time

Master mode

tker + 2

Slave mode

th(RX)

Data input hold time

Master mode

Slave mode

0.5

tv(TX)

Data output valid time

Master mode

0.5

Slave mode

th(TX)

Data output hold time

Master mode

Slave mode

Table 77. USART characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 78. USB FS electrical characteristics(1)

1. Guaranteed by design.

Symbol

Parameter

Conditions

Min(2)

2. All the voltages are measured from the local ground potential.

Typ

Max(2) Unit

VDDIO2

USB full speed transceiver

operating voltage

-3.0(3)

3. The USB full speed transceiver functionality is ensured down to 2.7 V but not the full USB full speed

electrical characteristics which are degraded in the 2.7-to-3.0 V VDD voltage range.

-3.6

RPD

Pull down resistor on PA11,

PA12 (USB_FS_DP/DM)

VIN = VDD

14.25

24.8

kΩ

RPU

Pull Up Resistor on PA12

(USB_FS_DP)

VIN = VSS, during idle

0.9

1.25

1.575

kΩ

Pull Up Resistor on PA12

(USB_FS_DP)

VIN = VSS during

reception

1.425

2.25

3.09

kΩ

VCRS

Output signal crossover voltage

1.3

2.0

ZDRV

Output driver impedance(4)

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

impedance is included in the embedded driver..

Driving high or low

Ω

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