特性
- 3 Differential CPU Clock Pairs @ 3.3V
- 7 PCI (3.3V) @ 33.3MHz
- 3 PCI_F (3.3V) @ 33.3MHz
- 1 USB (3.3V) @ 48MHz
- 1 DOT (3.3V) @ 48MHz
- 1 REF (3.3V) @ 14.318MHz
- 5 3V66 (3.3V) @ 66.6MHz
- 1 VCH/3V66 (3.3V) @ 48MHz or 66.6MHz
- Programmable output frequency.
- Programmable output divider ratios.
- Programmable output rise/fall time.
- Programmable output skew.
- Programmable spread percentage for EMI control.
- Watchdog timer technology to reset system if system malfunctions.
- Programmable watch dog safe frequency.
- Support I2C Index read/write and block read/write operations.
- Uses external 14.318MHz crystal.
- CPU Output Jitter <150ps
- 3V66 Output Jitter <250ps
- CPU Output Skew <100ps
950227 - Block Diagram
描述
Programmable Timing Control Hub™ for P4™
