21555 Ver la hoja de datos (PDF) - Intel

Número de pieza

componentes Descripción

Fabricante

21555

Non-Transparent PCI-to-PCI Bridge

Intel 

Non-Transparent PPB

Figure 2 shows the 21555 microarchitecture.

Figure 2. 21555 Microarchitecture

21555555

Downstream Delayed Buffer

Downstream Posted Write Buffer

Upstream Read Data Buffer

Downstream Read Data Buffer

Upstream Posted Write Buffer

rimary

PCI

Bus

Upstream Delayed Buffer

Secondary

PCI

Bus

Primary

Target

Control

Primary

Master

Control

Primary

Config

Registers

Device-

Specific

Config

Registers

CSR

Registers

Secondary

Config

Registers

Secondary

Target

Control

Secondary

Master

Control

JTAG

ROM

Interface

Control

Secondary

Bus

Arbiter

JTAG Signals

ROM Interface Interrupt

Signals Signals

Secondary Arbiter

Signals

A7418-01

Datasheet

9

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