ICS9148YF-12LF-T中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? CPU outputs are stronger drive for multiple loads

per pin (ie CPU and NB on one pin)

? Generates system clocks for CPU, IOAPIC,

SDRAM, PCI, plus 14.314 MHz REF(0:1), USB,

Plus Super I/O

? Supports single or dual processor systems

? I2C serial configuration interface provides output

clock disabling and other functions

? MODE input pin selects optional power

management input control pins

? Two fixed outputs separately selectable as 24 or

48MHz

? Separate 2.5V and 3.3V supply pins

? 2.5V or 3.3V outputs: CPU, IOAPIC

? 3.3V outputs: SDRAM, PCI, REF, 48/24 MHz

? CPU 3.3_2.5# logic pin to adjust output strength

? No power supply sequence requirements

? Uses external 14.318MHz crystal

? 48 pin 300 mil SSOP and 240 mil TSSOP

? Output enable register