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ST7263BEx Scheda tecnica(PDF) 158 Page - STMicroelectronics

Il numero della parte ST7263BEx
Spiegazioni elettronici  Low speed USB 8-bit MCU family with up to 32 KB Flash/ROM, DFU capability, 8-bit ADC, WDG, timer, SCI and I²C
PDF  186 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7263BEx Scheda tecnica(HTML) 158 Page - STMicroelectronics

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Electrical characteristics
ST7263Bxx
158/186
Doc ID 7516 Rev 8
Figure 74.
RESET pin
protection when LVD is disabled
13.10
Communication interface characteristics
13.10.1
USB interface
Operating conditions TA = 0 to +70 °C, VDD = 4.0 to 5.25 V unless otherwise specified.
Figure 75.
USB data signal rise and fall time
0.01
μF
EXTERNAL
RESET
CIRCUIT
USER
Required
ST72XXX
PULSE
GENERATOR
Filter
RON
VDD
WATCHDOG
INTERNAL
RESET
Table 73.
USB DC characteristics
Symbol
Parameter
Conditions
Min.
Max.
Unit
VDI
Differential input sensitivity
I(D+, D-)
0.2
-
V(1)
VCM
Differential common mode range
Includes VDI range
0.8
2.5
VSE
Single ended receiver threshold
0.8
2.0
VOL
Static output low
RL
(2)of 1.5 K
Ω to 3.6 V
-
0.3
VOH
Static output high
RL
(2) of 15 K
Ω to V
SS
2.8
3.6
USBV
USBVCC: voltage level(3)
VDD=5 V
3.00
3.60
1.
All the voltages are measured from the local ground potential.
2.
RL is the load connected on the USB drivers.
3.
To improve EMC performance (noise immunity), it is recommended to connect a 100nF capacitor to the USBVCC pin.
Differential
Data Lines
VSS
tf
tr
Crossover
points
VCRS



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