CY28378 Description
Pin # 3 X1 Name Type I Description Crystal Connection or External Reference Frequency Input: This pin has dual functions. It can be used as an external 14.318-MHz crystal connection or as an external reference frequency input.
CY28378 Key Features
- patible with Intel® CK-Titan and CK-408 Clock
- System frequency synthesizer for Intel Brookdale 845 and Brookdale
- G Pentium 4® chipsets
- Programmable clock output frequency with less than 1-MHz increment
- Integrated fail-safe Watchdog timer for system recovery
- Automatically switch to HW selected or SW programmed clock frequency when Watchdog timer time-out
- Programmable 3V66 and PCI output frequency mode
- Capable of generating system RESET after a Watchdog timer time-out or a change in output frequency via SMBus interface o
- Support SMBus byte read/write and block read/ write operations to simplify system BIOS development
- Vendor ID and Revision ID support