CY28404 - CK409-COMPLIANT CLOCK SYNTHESIZER
Pin No.
1, 2, 48 1, 2, 7, 8, 9 4 Name REF(0:2) FS_A, FS_B, FS_C, I FS_D, FS_E XIN I Type O, SE Description Reference Clock.
3.3V 14.318-MHz clock output.
3.3V LVTTL Latched Input for CPU Frequency Selection.
Crystal Connection or External Reference Frequency Input.
This pin has dual functions.
It ca
CY28404 Features
* Supports Intel Springdale/Prescott (CK409)
* Selectable CPU frequencies
* 3.3V power supply
* Nine copies of PCI clock
* Four copies 3V66 clock with optional VCH
* Three copies 48-MHz clock
* Three copies REF clock
* Two differential
