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STR730FZ1H7 Folha de dados(PDF) 30 Page - STMicroelectronics

Nome de Peças STR730FZ1H7
Descrição Electrónicos  ARM7TDMI 32-bit MCU with Flash, 3x CAN, 4 UARTs, 20 timers, ADC, 12 comm. interfaces
PDF  53 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR730FZ1H7 Folha de dados(HTML) 30 Page - STMicroelectronics

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Electrical parameters
STR73xF
30/53
3.3.2
Clock and timing characteristics
Crystal / Ceramic Resonator Oscillator
The STR73xF can operate with a crystal oscillator or resonator clock source. Figure 12 describes a
simple model of the internal oscillator driver as well as example of connection for an oscillator or a
resonator.
Figure 12.
Crystal Oscillator and Resonator
Notes
1) XTAL2 must not be used to directly drive external circuits.
2) For test or boot purpose, XTAL2 can be used as an high impedance input pin to provide an external
clock to the device. XTAL1 should be grounded, and XTAL2 connected to a wave signal generator
providing a 0 to VDD signal. Directly driving XTAL2 may results in deteriorated jitter and duty cycle.
CL
CL
Crystal
RS
Resonator
STR73x
STR73x
STR73x
I
RF
VDD



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