ICS951104中文資料瑞薩數(shù)據(jù)手冊(cè)PDF規(guī)格書

Output Features:

? 2 - Pairs of differential CPU clocks (differential current mode)

? 2 - AGP @ 3.3V

? 7 - PCI @ 3.3V

? 1 - 48MHz @ 3.3V fixed

? 1 - REF @ 3.3V, 14.318MHz

? 7 - Pairs of differential SSTL2 DDR @ 2.5V

Features/Benefits:

? 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.

Key Specifications:

? CPU Output Jitter <150ps

? AGP Output Jitter <250ps

? DDR Output Jitter <250ps

? CPU - DDR Skew <250ps

? CPU - AGP/PCI Skew = 2.5ns ± 500ps