CY28405 Description
1, 2 REF(0:1) Name Type O, SE I I Description Reference Clock. 3.3V 14.318-MHz clock output. 3.3V LVTTL latched input for CPU frequency selection.
CY28405 Key Features
- Supports Intel Springdale/Prescott (CK409)
- Selectable CPU frequencies
- 3.3V power supply
- Nine copies of PCI clock
- Four copies 3V66 clock with one optional VCH
- Two copies 48-MHz USB clock
- Two copies REF clock
- Three differential CPU clock pairs
- Dial-A-Frequency®
- Supports SMBus/I2C Byte, Word, and Block Read/Write