參數(shù)資料
型號: MC9S12DB128VPVR2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
封裝: LQFP-112
文件頁數(shù): 106/142頁
文件大?。?/td> 6464K
代理商: MC9S12DB128VPVR2
Device User Guide — 9S12DT128DGV2/D V02.15
66
Freescale Semiconductor
Figure 2-5 Colpitts Oscillator Connections (PE7=1)
Figure 2-6 Pierce Oscillator Connections (PE7=0)
Figure 2-7 External Clock Connections (PE7=0)
MCU
C2
EXTAL
XTAL
Crystal or
VSSPLL
ceramic resonator
C1
CDC *
* Due to the nature of a translated ground Colpitts oscillator a
DC voltage bias is applied to the crystal
bias conditions and recommended capacitor value CDC.
Please contact the crystal manufacturer for crystal DC
MCU
EXTAL
XTAL
RS
*
RB
VSSPLL
Crystal or
ceramic resonator
C2
C1
* Rs can be zero (shorted) when used with higher frequency crystals.
Refer to manufacturer’s data.
MCU
EXTAL
XTAL
CMOS-COMPATIBLE
EXTERNAL OSCILLATOR
not connected
(VDDPLL-Level)
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