STM32L152VCT6DTR Ver la hoja de datos (PDF) - STMicroelectronics

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STM32L152VCT6DTR

Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC

STMicroelectronics 

STM32L151xC STM32L152xC

Electrical characteristics

USB characteristics

The USB interface is USB-IF certified (full speed).

Table 51. USB startup time

Symbol

Parameter

tSTARTUP(1)

USB transceiver startup time

1. Guaranteed by design.

Max

1

Unit

µs

Symbol

Table 52. USB DC electrical characteristics

Parameter

Conditions

Min.(1)

Input levels

VDD USB operating voltage

-

3.0

VDI(2) Differential input sensitivity

I(USB_DP, USB_DM)

0.2

VCM(2) Differential common mode range Includes VDI range

0.8

VSE(2) Single ended receiver threshold

-

1.3

Output levels

VOL(3)

VOH(3)

Static output level low

Static output level high

RL of 1.5 kΩ to 3.6 V(4)

-

RL of 15 kΩ to VSS(4)

2.8

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

2. Guaranteed by characterization results.

3. Guaranteed by test in production.

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

Max.(1) Unit

3.6

V

-

2.5

V

2.0

0.3

V

3.6

Figure 25. USB timings: definition of data signal rise and fall time

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Table 53. USB: full speed electrical characteristics

Driver characteristics(1)

Symbol

Parameter

Conditions

Min

Max

tr

Rise time(2)

tf

Fall Time(2)

CL = 50 pF

4

20

CL = 50 pF

4

20

trfm

Rise/ fall time matching

tr/tf

90

110

VCRS Output signal crossover voltage

1.3

2.0

DLE

Unit

ns

ns

%

V

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