參數(shù)資料
型號: SAK-TC1762-128F80HL
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 80 MHz, MICROCONTROLLER, PQFP176
封裝: PLASTIC, LQFP-176
文件頁數(shù): 105/114頁
文件大?。?/td> 852K
代理商: SAK-TC1762-128F80HL
TC1762
Electrical Parameters
Preliminary
Data Sheet
86
V1.0, 2008-04
4.2.4
Oscillator Pins
Table 4-8 provides the characteristics of the oscillator pins in the TC1762.
Note: It is strongly recommended to measure the oscillation allowance (negative
resistance) in the final target system (layout) to determine the optimal parameters
for the oscillator operation. Please refer to the limits specified by the crystal
supplier.
Table 4-8
Oscillator Pins Characteristics (Operating Conditions apply)
Parameter
Symbol
Limit values
Unit
Test Conditions
Min.
Max.
Frequency Range
f
OSC
CC 4
25
MHz –
Input low voltage at
XTAL1
1)
1) If the XTAL1 pin is driven by a crystal, reaching a minimum amplitude (peak-to-peak) of 0.3
× V
DDOSC3 is
necessary.
V
ILX
SR -0.2
0.3
×
V
DDOSC3
V–
Input high voltage at
XTAL1
1)
V
IHX
SR 0.7
×
V
DDOSC3
V
DDOSC3
+ 0.2
V–
Input current at XTAL1
I
IX1
CC –
±25
A0 V < V
IN < VDDOSC3
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