ASM3P2854B PulseCore Semiconductor, ASM3P2854B Datasheet - Page 2

• Manufacturer Part Number: ASM3P2854B
• Description: Custom Clock Generator
• Manufacturer: PulseCore Semiconductor

August 2007
rev 0.3
Pin Diagram
Pin Description
Pin#
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
XIN / CLKIN
GND_FOUT
VDD_FOUT
Pin Name
33.3MHz
33.3MHz
66.6MHz
66.6MHz
48MHz
12MHz
25MHz
XOUT
PCLK
GND
VDD
S1
S2
Type
O
O
O
O
O
P
P
P
P
O
O
O
O
I
I
I
Custom Clock Generator for Fax System
Notice: The information in this document is subject to change without notice.
Crystal connection or external reference frequency input. This pin has dual functions. It
can be connected either to an external crystal or an external reference clock.
Crystal connection. If using an external reference, this pin must be left unconnected.
Power supply for the core
Power supply for the output buffers.
Ground connection for the output buffers
Ground connection
48MHz Clock Output
12MHz Clock Output
33.3 MHz low EMI Clock Output
33.3 MHz low EMI Clock Output
Selection Bit for Programmable Clock .See the PCLK Selection Table for details
66.6 MHz low EMI Clock Output
66.6 MHz low EMI Clock Output
Selection Bit for Programmable Clock .See the PCLK Selection Table for details
Programmable Clock Output
25 MHz low EMI Clock Output
GND_FOUT
XIN / CLKIN
VDD_FOUT
48MHz
12MHz
XOUT
VDD
GND
3
4
7
8
1
2
5
6
ASM3P2854B
Description
12
10
15
14
13
11
16
9
PCLK
25MHz SSCLK
S2
66.6MHz SSCLK
S1
33.3MHz SSCLK
33.3MHz SSCLK
66.6MHz SSCLK
ASM3P2854B
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