Part Number
|
CY28RS480-1 |
Manufacturer
|
Cypress Semiconductor |
Description
|
Clock Generator |
Published
|
Jun 10, 2012 |
Detailed Description
|
PRELIMINARY
CY28RS480-1
Clock Generator for ATI RS480 Chipset
Features
• Supports AMD CPU • Selectable CPU frequenci...
|
Datasheet
|
CY28RS480-1
|
Overview
PRELIMINARY
CY28RS480-1
Clock Generator for ATI RS480 Chipset
Features
• Supports AMD CPU • Selectable CPU frequencies • 200-MHz differential CPU clock pairs • 100-MHz differential SRC clocks • 48-MHz USB clock • 33-MHz PCI clock • 66-MHz HyperTransport clock • I2C support with readback capabilities • Ideal Lexmark Spread Spectrum profile for maximum electromagnetic interference (EMI) reduction • 3.
3V power supply • 56-pin SSOP and TSSOP packages CPU x2 SRC x8 HTT66 x1 PCI x1 REF x3 USB_48 x1
Block Diagram
XIN XOUT CPU_STP# CLKREQ[0:1]#
Pin Configuration
VDD_REF REF[0:2] VDD_CPU CPUT[0:2], CPUC[0:2], VDD_SRC SRCT[0:6],SRCC[0:6] VDD_SRCS SRCST[0:1],SRCSC[0:1] VDD_PCI PCI VDD_HTT HTT66
...
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