CY28158 Description
Reference crystal input Reference crystal feedback CPU clock outputs PCI clock outputs, synchronously running at 33.33 MHz Free running PCI clock 3V66 clock outputs, running at 66.66 MHz IOAPIC.
CY28158 Key Features
- Maximized EMI suppression using Cypress’s spread spectrum technology
- Based on Industry Standard CK133 Pinout with all outputs pliant to CK98 specifications
- 0.5% downspread outputs deliver up to 10dB lower EMI
- 6 skew-controlled copies of CPU output
- 6 copies of PCI output (synchronous w/CPU output)
- 2 copies of 66 MHz fixed frequency 3.3V clock
- 3 copies of 16.67 MHz IOAPIC clock, synchronous to CPU clock
- 1 copy of 48 MHz USB output
- 2 copies of 14.31818 MHz reference clock
- Programmable to 133 or 100 MHz operation