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| MC9S12DT256_06 Datasheet, PDF (59/132 Pages) Freescale Semiconductor, Inc – Device User Guide V03.07 | |||
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MC9S12DT256 Device User Guide â V03.07
Figure 2-4 Colpitts Oscillator Connections (PE7=1)
EXTAL
MCU
XTAL
CDC *
C1
Crystal or
ceramic resonator
C2
VSSPLL
* Due to the nature of a translated ground Colpitts oscillator a
DC voltage bias is applied to the crystal
.Please contact the crystal manufacturer for crystal DC
Figure 2-5 Pierce Oscillator Connections (PE7=0)
EXTAL
MCU
XTAL
RB
RS*
C1
Crystal or
ceramic resonator
C2
VSSPLL
* Rs can be zero (shorted) when use with higher frequency crystals.
Refer to manufacturerâs data.
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