MC68HC908LK24 MOTOROLA [Motorola, Inc], MC68HC908LK24 Datasheet - Page 137

• Manufacturer Part Number: MC68HC908LK24
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

8.9.3 Choosing a Filter
MC68HC908LJ24/LK24 — Rev. 2
MOTOROLA
As described in
external filter network is critical to the stability and reaction time of the
PLL. The PLL is also dependent on reference frequency and supply
voltage.
Either of the filter networks in
a 32.768kHz reference clock (CGMRCLK).
applications requiring better stability.
applications where stability is not critical.
Freescale Semiconductor, Inc.
For More Information On This Product,
Clock Generator Module (CGM)
Go to: www.freescale.com
0.033 µF
8.9.2 Parametric Influences on Reaction
10 kΩ
CGMXFC
(a)
Figure 8-10. PLL Filter
V
SSA
Figure 8-10
0.01 µF
Figure 8-10
Acquisition/Lock Time Specifications
is recommended when using
Figure 8-10
Clock Generator Module (CGM)
CGMXFC
V
SSA
(b)
(b) is used in low-cost
0.47 µF
(a) is used for
Time, the
Data Sheet
137