ASM3P2856B PulseCore Semiconductor, ASM3P2856B Datasheet - Page 3

• Manufacturer Part Number: ASM3P2856B
• Description: Custom Clock generator
• Manufacturer: PulseCore Semiconductor

November 2006
rev 0.1
Spread Selection Table
Typical Application Schematic for LCD Projector
Input & Output Clock Frequency Table
14.7456 MHz
Frequency
14.7456MHz Clock
27.002MHz Clock
Input
SS%
0
1
14.7456 MHz
fundamental
Crystal
+ 3.3V
CLK1
CLK2
CLK3
CLK4
CLK5
0.1uF
Notice: The information in this document is subject to change without notice.
Spread Percentage
Custom Clock generator for LCD Project
Output Frequencies
65 MHz Spread Spectrum Clock
65 MHz Spread Spectrum Clock
65 MHz Non- Spread clock
± 1.0%
± 1.5%
(+/-0.5 or +/- 1%)
(+/-0.5 or +/-1%)
14.7456 MHz
27.002 MHz
5
5
6
8
1
2
4
7
3
CLK2
V
GND
XIN
XOUT
V
GND
CLK1
DD
DD
ASM3P2856B
SSON
CLK5
CLK3
CLK4
SS%
GND
V
NC
DD
13
16
15
14
12
11
10
9
Frequency Accuracy of
synthesized clocks
Zero ppm
±15 ppm
±15 ppm
±15 ppm
±20 ppm
+ 3.3V
ASM3P2856B
ASM3P2856A
Make SSON Pin
HIGH to enable
Spread Spectrum
SS% Pin selects
different Spread
deviations
65MHz SS Clock
65MHz SS Clock
65MHz Clock
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