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Zn and zp pins – AMD SEMPRON 10 User Manual

Page 87

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Chapter 10

Pin Descriptions

75

31994A —1 August 2004

AMD Sempron™ Processor Model 10 with 256K L2 Cache Data Sheet

ZN and ZP Pins

ZN (AC5) and ZP (AE5) are the push-pull compensation circuit
pins. In Push-Pull mode (selected by the SIP parameter
SysPushPull asserted), ZN is tied to V

CC_CORE

with a resistor

that has a resistance matching the impedance Z

0

of the

transmission line. ZP is tied to VSS with a resistor that has a
resistance matching the impedance Z

0

of the transmission line.