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April 2007 P1727 rev 0.2 Low Power Notebook LCD Panel EMI Reduction IC 2 of 9 Notice: The information in this document is subject to change without notice. Pin Configuration Table 1 – Power Down Selection PDB Spread Spectrum ModOUT PLL Mode 0 N/A Disabled Disabled Power Down 1 ON Normal Normal Normal Table 2 Frequency Deviation Selection P/ N Deviation P/N Deviation P1727A -1.25% P1727E +/-0.625% P1727B -1.75% P1727F +/-0.875% P1727C -2.50% P1727G +/-1.25% P1727D -3.50% P1727H +/-1.75% Pin Description Pin# Pin Name Type Description 1 CLKIN I External reference frequency input. Connect to externally generated reference signal. 2 VDD P Connect to +3.3V 3 VSS P Ground Connection. Connect to system ground. 4 ModOUT O Spread Spectrum Clock output 5 REFOUT O Reference output. 6 NC No connect 7 NC No connect 8 PDB I Powerdown Pin.Pull low to disable spread spectrum clock output. NC REFOUT 1 2 3 4 5 6 7 8 P1727 CLKIN VDD VSS ModOUT NC PDB |
