mc68hc912d60c Freescale Semiconductor, Inc, mc68hc912d60c Datasheet - Page 177
mc68hc912d60c
Manufacturer Part Number
mc68hc912d60c
Description
Hc12 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC912D60C.pdf
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12.3.2 MC68HC912D60A Oscillator Design Guidelines
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
Proper and robust operation of the oscillator circuit requires excellent
board layout design practice. Poor layout of the application board can
contribute to EMC susceptibility, noise generation, slow starting
oscillators, and reaction to noise on the clock input buffer. In addition to
published errata for the MC68HC912D60A, the following guidelines
must be followed or failure in operation may occur.
Figure 12-1. MC68HC912D60A Colpitts Oscillator Architecture
CFLT
2
Oscillator
EXTAL
CFLT
RFLT
RFLT
RESD
Resonator
MC68HC912D60A Oscillator Specification
-
+
-
+
ALC
OTA
C
X-EX
C
X-VSS
BIAS
EN
GM
BUF
XTAL
Technical Data
Oscillator
177
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