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ST72631 Datasheet(PDF) 95 Page - STMicroelectronics

Part # ST72631
Description  LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C
PDF  109 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72631 Datasheet(HTML) 95 Page - STMicroelectronics

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7.3 OPERATING CONDITIONS
General Operating Conditions
(T
A = 0 to +70°C unless otherwise specified)
Note 1: USB 1.1 specifies that the power supply must be between 4.00 and 5.25 Volts. The USB cell is
therefore guaranteed only in that range.
Symbol
Parameter
Conditions
Min
Max
Unit
VDD
Supply voltage 1)
fCPU = 4 MHz ; USB not guaranteed
3.00
4.00
V
fCPU = 8 MHz ; USB not guaranteed
VIT+
4.00
V
fCPU = 8 MHz or 4 MHz
USB guaranteed
4.0
5.25
fCPU = 8 MHz or 4 MHz
USB not guaranteed
5.25
5.50
fOSC
External clock frequency
12
24
MHz



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