MC68HC912D60 Motorola, MC68HC912D60 Datasheet - Page 180

• Manufacturer Part Number: MC68HC912D60
• Description: Microcontrollers
• Manufacturer: Motorola

Oscillator
Technical Data
180
There are the following primary differences between the previous (’A’)
and new (’C’) Colpitts oscillator configurations:
Figure 12-2. MC68HC912D60C Colpitts Oscillator Architecture
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
Hysteresis was added to the clock input buffer to reduce sensitivity
to noise
Internal parasitics were reduced from EXTAL to VSS to increase
oscillator gain margin.
CFLT
2
Go to: www.freescale.com
Oscillator
EXTAL
CFLT
RFLT
RFLT
Resonator
-
+
-
+
RESD
OTA
ALC
C
X-EX
MC68HC912D60A — Rev 3.0
C
X-VSS
BIAS
EN
GM
BUF
XTAL
MOTOROLA