參數(shù)資料
型號: SAK-TC1782-320F180HL
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 180 MHz, RISC MICROCONTROLLER, PQFP176
封裝: GREEN, PLASTIC, LQFP-176
文件頁數(shù): 85/113頁
文件大?。?/td> 3371K
代理商: SAK-TC1782-320F180HL
TC1782
Electrical ParametersDC Parameters
Target Data Sheet/ACDC Target Specification 32
V 0.7 Preliminary, 2010-03
1.2.4
Oscillator Pins
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 or
ceramic resonator supplier.
Table 15
OSC_XTAL Parameters
Parameter
Symbol
Values
Unit
Note /
Test Condition
Min.
Typ.
Max.
Input current at XTAL1
I
IX1 CC
-25
25
μA
V
IN<VDDOSC3 ;
V
IN>0 V
Input frequency
f
OSC SR
4
40
MHz
Direct Input
Mode selected
8
25
MHz
External Crystal
Mode selected
Oscillator start-up time
1)
t
OSCS is defined from the moment when VDDOSC3 = 3.13V until the oscillations reach an amplitude at XTAL1 of
0.3 *
V
DDOSC3. The external oscillator circuitry must be optimized by the customer and checked for negative
resistance as recommended and specified by crystral suppliers.
t
OSCS
CC
10
ms
Input high voltage at
XTAL1
2)
2) If the XTAL1 pin is driven by a crystal, reaching a minimum amplitude (peak-to-peak) of 0.4 *
V
DDOSC3 is
necessary.
V
IHX SR
0.7 x
V
DDOS
C3
V
DDOS
C3 +
0.2
V
Input low voltage at
XTAL1
V
ILX SR
-0.2
0.3 x
V
DDOS
C3
V
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