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STM32L15XCC Datenblatt(PDF) 95 Page - STMicroelectronics

Teilenummer STM32L15XCC
Bauteilbeschribung  Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC
PDF  136 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32L15XCC Datenblatt(HTML) 95 Page - STMicroelectronics

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STM32L151xC STM32L152xC
Electrical characteristics
109
USB characteristics
The USB interface is USB-IF certified (full speed).
Figure 25. USB timings: definition of data signal rise and fall time
Table 51. USB startup time
Symbol
Parameter
Max
Unit
tSTARTUP(1)
1. Guaranteed by design.
USB transceiver startup time
1
µs
Table 52. USB DC electrical characteristics
Symbol
Parameter
Conditions
Min.(1)
1. All the voltages are measured from the local ground potential.
Max.(1)
Unit
Input levels
VDD
USB operating voltage
-
3.0
3.6
V
VDI(2)
2. Guaranteed by characterization results.
Differential input sensitivity
I(USB_DP, USB_DM)
0.2
-
V
VCM(2)
Differential common mode range Includes VDI range
0.8
2.5
VSE(2)
Single ended receiver threshold
-
1.3
2.0
Output levels
VOL(3)
3. Guaranteed by test in production.
Static output level low
RL of 1.5 kΩ to 3.6 V(4)
4. RL is the load connected on the USB drivers.
-0.3
V
VOH(3)
Static output level high
RL of 15 kΩ to VSS(4)
2.8
3.6
Table 53. USB: full speed electrical characteristics
Driver characteristics(1)
Symbol
Parameter
Conditions
Min
Max
Unit
tr
Rise time(2)
CL = 50 pF
420
ns
tf
Fall Time(2)
CL = 50 pF
4
20
ns
trfm
Rise/ fall time matching
tr/tf
90
110
%
VCRS
Output signal crossover voltage
1.3
2.0
V



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