ICS ICS951413
Programmable System Clock Chip
FEATURES
:● 6 - Pairs of SRC/PCI Express* clocks
● 2 - Pairs of programmable SRC/PCI Express (ATIG) clocks
● 3 - Pairs of Intel P4 clocks
● 3 - 14.318 MHz REF clocks
● 1 - 48MHz USB clock
● 1 - 33 MHz PCI clock seed Key Specifications:
● CPU outputs cycle-cycle jitter < 85ps
● SRC output cycle-cycle jitter <125ps
● PCI outputs cycle-cycle jitter < 250ps
● +/- 300ppm frequency accuracy on CPU & SRC clocks
FEATURES
/Benefits:● 2 - Programmable Clock Request pins for SRC clocks
● Supports CK410 or CK409 frequency table mapping
● Spread Spectrum for EMI reduction
● Outputs may be disabled via SMBus
● External crystal load capacitors for maximum frequency accuracy Functionality - (CK410# = 0) SRC PCI 1 1 1 CPU FS_C FS_B FS_A MHz MHz MHz 0 266.66 100.00 33.33 0 1 133.33 100.00 33.33 0 0 200.00 100.00 33.33 1 1 166.66 100.00 33.33 0 333.33 100.00 33.33 0 1 100.00 100.00 33.33 1 0 400.00 100.00 33.33 1 1 RESERVED Functionality - (CK410# = 1) FS_C 1 1 CPU Byte6 FS_B FS_A MHz bit5 0 1 0 1 0 1 0...