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ST7263 数据表(PDF) 95 Page - STMicroelectronics

部件名 ST7263
功能描述  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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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST7263 数据表(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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