MC9S12E64CPVE Datasheet, PDF (82/156 Pages) Freescale Semiconductor, Inc – MC9S12E-Family Device User Guide

Device User Guide — 9S12E12^F8^rD^eG^eV1^s/D^cV^a0^l1^e.04^{Semiconductor, Inc.}
Figure 2-3 Colpitts Oscillator Connections (PE7=1)
EXTAL
MCU
XTAL
C_DC *
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 2-4 Pierce Oscillator Connections (PE7=0)
EXTAL
MCU
XTAL
R_B
R_S*
C₁
Crystal or
ceramic resonator
C₂
VSSPLL
* Rs can be zero (shorted) when use with higher frequency crystals.
Refer to manufacturer’s data.
2.3.9 PE6 / MODB / IPIPE1 — Port E I/O Pin 6
PE6 is a general purpose input or output pin. It is used as a MCU operating mode select pin during reset.
The state of this pin is latched to the MODB bit at the rising edge of RESET. This pin is shared with the
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