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PCI2040 Datasheet(PDF) 5 Page - Texas Instruments

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Part # PCI2040
Description  PCI2040 PCI-DSP Bridge controller
PDF  79 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCI2040 Datasheet(HTML) 5 Page - Texas Instruments

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Contents
Section
Title
Page
1
Introduction
1–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1
Description
1–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2
Features
1–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3
Related Documents
1–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4
Ordering Information
1–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Terminal Descriptions
2–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
PCI2040 Functional Description
3–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1
PCI Interface
3–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2
Accessing Internal PCI2040 Registers
3–2
. . . . . . . . . . . . . . . . . . . . . . . . .
3.3
PCI_LOCK
3–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.4
Serial ROM Interface
3–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5
PCI2040 Host Port Interface
3–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.1
Identifying Implemented Ports and DSP Types
3–3
. . . . . . . . . .
3.5.2
DSP Chip Selects
3–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.3
HPI Register Access Control
3–4
. . . . . . . . . . . . . . . . . . . . . . . . .
3.5.4
Mapping HPI DSP Memory to the Host
3–4
. . . . . . . . . . . . . . . .
3.5.5
Read/Write Procedure
3–4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.5.6
HPI Interface Specific Notes
3–5
. . . . . . . . . . . . . . . . . . . . . . . . .
3.6
General-Purpose I/O Interface
3–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.7
Interrupts
3–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.7.1
Interrupt Event and Interrupt Mask Registers
3–6
. . . . . . . . . . .
3.7.2
DSP-to-Host Interrupts
3–6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.7.3
HPI Error Interrupts and HPI Error Reporting
3–7
. . . . . . . . . . .
3.7.4
General-Purpose Interrupts
3–7
. . . . . . . . . . . . . . . . . . . . . . . . . .
3.7.5
Interrupts Versus PME
3–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8
PCI2040 Power Management
3–7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.8.1
PCI Power Management Register Interface
3–8
. . . . . . . . . . . .
3.8.2
PCI Power Management Device States and Transitions
3–8
. .
3.9
Compact PCI Hot-Swap
3–9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.10
General-Purpose Bus
3–10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.11
Example Transactions on the General-Purpose Bus
3–11
. . . . . . . . . . . . .
3.11.1
General-Purpose Bus Word Write
3–11
. . . . . . . . . . . . . . . . . . . .
3.11.2
General-Purpose Bus Word Read
3–11
. . . . . . . . . . . . . . . . . . . .
4
PCI2040 Programming Model
4–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1
PCI Configuration Registers
4–1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2
Vendor and Device ID Register
4–2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3
PCI Command Register
4–3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .



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