參數(shù)資料
型號: STR73XF
廠商: 意法半導(dǎo)體
英文描述: ARM7TDMI 32-bit MCU with Flash, 3x CAN, 4 UARTs, 20 timers, ADC, 12 comm. interfaces
中文描述: ARM7TDMI的32位微控制器的閃存,3倍的CAN,4個UART,20定時器,ADC和12通信設(shè)備。接口
文件頁數(shù): 30/53頁
文件大?。?/td> 764K
代理商: STR73XF
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.
C
L
C
L
Crystal
X
X
R
S
Resonator
X
X
STR73x
STR73x
STR73x
X
X
I
R
F
V
DD
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