C9812 Datasheet (Cypress Semiconductor)

C9812, Low EMI Clock Generator

PIN No.

1 Pin Name SEL2/REF PWR VDD I/O I/O TYPE Description 3.3V 14.318 MHz clock output.

This pin also serves as the select strap (associates with SEL0 & 1, see app.

note page 5) for clock frequencies during power up.

Refer to Table 1 for detail.

This pin has an internal pull-down (Typ.

70KΩ).

14.

C9812 Features

* Intel’s 810E clock solution 3 copies of CPU Clock (CPU[0:1] and CPU_ITP) 9 copies of SDRAM Clock (SDRAM[0:7] and DCLK) 8 copies of PCI Clock 2 copies of 3V66 Clock 2 copies of APIC