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Intel 21555 user manual Srom Write All Timing Diagram

Models: 21555

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Serial ROM Interface

Note: When a SROM access using the CSR mechanism is attempted when the SROM is not implemented, the ROM interface may hang. This prevents access to any PROMs that may be present. A chip reset may be needed to put the ROM interface in an operational state

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Figure 19. SROM Write All Timing Diagram

pr_ad[0]

 

 

 

 

 

 

 

 

 

 

(sr_ck)

 

 

 

 

 

 

 

 

 

 

sr_cs

 

 

 

 

 

 

 

 

 

 

pr_ad[1]

1

0

0

0

1

X

X

D7

D1

D0

(sr_di)

 

 

 

 

 

 

 

 

 

 

pr_ad[2]

 

 

 

 

 

 

 

 

 

 

(sr_do)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A7476-01

Figure 20. SROM Write Enable Timing Diagram

pr_ad[0] (sr_ck)

sr_cs

pr_ad[1]

1

0

0

1

1

X

X

(sr_di)

 

 

 

 

 

 

 

A7477-01

Figure 21. SROM Write Disable Timing Diagram

pr_ad[0]

(sr_ck)

sr_cs

pr_ad[1]

1

0

0

0

0

X

X

(sr_di)

A7478-01

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21555 Non-Transparent PCI-to-PCI Bridge User Manual

Page 93 Page 95
Page 94
Image 94
Intel 21555 user manual Srom Write All Timing Diagram
Page 93 Page 95

21555 specifications

The Intel 21555 is a prominent microprocessor developed by Intel, designed to cater to a variety of computing needs. This processor marks a significant step forward in Intel's lineup and underscores the company's commitment to advancing technology in personal computing, enterprise solutions, and beyond.

One of the standout features of the Intel 21555 is its advanced architecture. It utilizes a multi-core design, enabling improved performance through parallel processing. This architecture allows multiple applications to run seamlessly without a decline in speed. The cores are built on a cutting-edge manufacturing process that enhances energy efficiency while maintaining high clock speeds.

The Intel 21555 supports a wide range of technologies, including Intel Turbo Boost, which enables dynamic adjustments to the processor’s performance based on workload demands. This feature allows the processor to accelerate its speed during intensive tasks, providing users with a responsive experience when it matters the most.

Another key characteristic of the Intel 21555 is its support for integrated graphics. With Intel UHD Graphics technology, users can enjoy enhanced visuals for everyday tasks such as video playback, web browsing, and light gaming. This eliminates the need for a separate graphics card for many users, particularly in home office or light gaming scenarios.

Security is a significant focus in the design of the Intel 21555. It includes built-in hardware-based security features like Intel Trusted Execution Technology and Secure Boot. These features help protect against various types of threats, ensuring that user data remains secure from malicious attacks.

The Intel 21555 is also optimized for use with Intel's platform technologies, including Intel Optane memory and Intel Rapid Storage Technology. These technologies work together to deliver faster boot times and improved system responsiveness, making computing more efficient for users.

Furthermore, the Intel 21555 is designed to support virtualization technologies, allowing multiple operating systems to run concurrently without compromising performance. This is particularly useful for developers and businesses that rely on virtualization for testing and development environments.

In summary, the Intel 21555 is a powerful and versatile processor that reflects Intel's ongoing innovation in the computing space. With its multi-core architecture, enhanced graphics capabilities, strong security features, and advanced technologies, it stands out as an excellent choice for a wide range of applications, serving both casual users and professionals alike.