November 2006
rev 1.1
Block Diagram
SRS
VDD
P2180 / 81 / 82 / 83 / 84
Modulation
XIN
Crystal
Oscillator
XOUT
Feedback
Divider
Frequency
Divider
Phase
Detector
Loop
Filter
PLL
VCO
Output
Divider
ModOUT
VSS
Pin Diagram
XIN
1
NC
2
VSS
3
SRS
4
XIN
1
8
NC
8
XOUT
NC
2
VSS
3
SRS
4
P2180X
P2181X
P2182X
7
NC
6
VDD
5
ModOUT
P2183X
P2184X
7
NC
6
VDD
5
ModOUT
Pin Description
Pin#
1
2
3
4
5
6
7
8
8*
Pin Name
XIN
NC
VSS
SRS
ModOUT
VDD
NC
NC
XOUT
Type
I
P
I
O
P
No connect.
Description
Connect to externally generated clock signal or crystal.
Ground to entire chip.
Spread Range Select. Digital logic input used to select frequency deviation (Refer
Spread Deviation Selections Table). This pin has an internal pull-up resistor.
Spread spectrum low EMI output.
Connect to +3.3V.
No connect.
No connect.
O
Crystal connection.
* Available for P2183 and P2184 only.
Low EMI Clock for Mobile VGA
Notice: The information in this document is subject to change without notice.
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PULSECORE [ PulseCore Semiconductor ]
