Preliminary Information

AMD Athlon™ XP Processor Model 8 Data Sheet

25175H— March 2003

Table 28. VID[4:0] Code to Voltage Definition

VID[4:0]

VCC_CORE (V)

VID[4:0]

VCC_CORE (V)

00000

1.850

10000

1.450

 

 

 

 

00001

1.825

10001

1.425

 

 

 

 

00010

1.800

10010

1.400

 

 

 

 

00011

1.775

10011

1.375

 

 

 

 

00100

1.750

10100

1.350

 

 

 

 

00101

1.725

10101

1.325

 

 

 

 

00111

1.675

10111

1.275

 

 

 

 

01000

1.650

11000

1.250

 

 

 

 

01001

1.625

11001

1.225

 

 

 

 

01010

1.600

11010

1.200

 

 

 

 

01011

1.575

11011

1.175

 

 

 

 

01100

1.550

11100

1.150

 

 

 

 

01101

1.525

11101

1.125

 

 

 

 

01110

1.500

11110

1.100

 

 

 

 

01111

1.475

11111

No CPU

 

 

 

 

 

For more information, see the “Required Circuits” chapter of

 

the AMD Athlon™ Processor-Based Motherboard Design Guide,

 

order# 24363.

VREFSYS Pin

VREFSYS (W5) drives the threshold voltage for the system bus

 

input receivers. The value of VREFSYS is system specific. In

 

addition, to minimize VCC_CORE noise rejection from VREFSYS,

 

include decoupling capacitors. For more information, see the

 

AMD Athlon™ Processor-Based Motherboard Design Guide, order#

 

24363.

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 VCC_CORE with a resistor

 

that has a resistance matching the impedance Z0 of the

 

transmission line. ZP is tied to VSS with a resistor that has a

 

resistance matching the impedance Z0 of the transmission line.

80

Pin Descriptions

Chapter 11

Page 92
Image 92
AMD 8 manual VID40 Code to Voltage Definition, Vrefsys Pin, ZN and ZP Pins

8 specifications

AMD's Ryzen 8000 series, commonly referred to as AMD 8, represents a significant leap in performance and efficiency, leveraging advanced technologies that cater to gamers, content creators, and enterprise users alike. With a continued focus on the Zen architecture, the Ryzen 8000 processors enhance performance per watt, delivering increased efficiency without compromising on power.

One of the standout features of AMD 8 is its adoption of the 5nm process technology. This innovation allows for a higher density of transistors, resulting in improved performance metrics and reduced power consumption. The smaller node size not only enhances clock speeds but also ensures that the chips generate less heat, making thermal management easier for system builders.

AMD has introduced a new architecture with the Ryzen 8000 series known as Zen 5. This architecture brings improved instructions per cycle (IPC) over its predecessors, leading to faster performance in both single-threaded and multi-threaded workloads. Gamers will benefit from higher frame rates, while professionals in fields such as video editing and 3D rendering can expect noticeable improvements in rendering times.

Another key technology in the AMD 8 lineup is the integration of AMD's next-generation RDNA graphics architecture. This allows for enhanced graphics performance in systems without dedicated GPU hardware. The combination of advanced graphics and CPU capabilities provides a more versatile platform for casual gamers and users with less demanding graphical needs.

Support for PCIe 5.0 is a game changer for the AMD 8000 series, offering double the bandwidth of its predecessor, PCIe 4.0. This feature allows for faster data transfer rates with compatible SSDs and graphics cards, ensuring that users can take full advantage of the latest storage technologies.

Additionally, AMD's Infinity Cache has made its way into the Ryzen 8000 series, further enhancing memory bandwidth. This technology reduces latency and increases efficiency by caching frequently accessed data closer to the processor.

In terms of connectivity, the Ryzen 8000 models come equipped with Wi-Fi 7 and Bluetooth 5.2, providing ultra-fast wireless connections that are essential for modern gaming and streaming experiences.

In summary, AMD's Ryzen 8000 series, or AMD 8, is designed for maximum performance and efficiency. With its advanced 5nm technology, enhanced Zen 5 architecture, integrated RDNA graphics, PCIe 5.0 support, Infinity Cache, and state-of-the-art connectivity features, it sets a new standard for processors in its class, making it a top choice for both gamers and professionals.