MC912DG128ACPVE Datasheet, PDF (197/478 Pages) Freescale Semiconductor, Inc – Upward compatible with M68HC11 instruction set

Freescale Semiconductor, Inc.
Oscillator
MC68HC912Dx128C Colpitts Oscillator Specification
NOTE:
EXTAL and XTAL routing resistances are less important than
capacitances. Using minimum width traces is an acceptable trade-off to
reduce capacitance.
13.4 MC68HC912Dx128C Colpitts Oscillator Specification
This section applies to the 1L05H mask set, which refers to the newest
set of CGM improvements (to the MC68HC912DT128A) with the Colpitts
oscillator configuration enabled. The name for these devices is
MC68HC912Dx128C.
13.4.1 MC68HC912Dx128C Oscillator Design Architecture
The Colpitts oscillator architecture is shown in Figure 13-2. The
component configuration for this oscillator is the same as all previous
MC68HC912DT128A configurations, although the recommended
component values may be different.
MC68HC912DT128A — Rev 4.0
MOTOROLA
Oscillator
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Technical Data
197