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The DSP has general-purpose and dedicated registers in each of its functional blocks, страница 23

Table B-28. PCI CONFIG SPACE for Function 0 (Continued)

Address

Name

Reset

Comments

0x2D-0x2C

Subsystem Vendor ID

0x11D4

Writable from the DSP during initialization

0x2F-0x2E

Subsystem Device ID

0x2192

Writable from the DSP during initialization

0x33-0x30

Expansion ROM Base Address

0x0

Unimplemented

0x34

Capabilities Pointer

0x40

Read-only

0x3C

Interrupt Line

0x0

0x3D

Interrupt Pin

0x1

Uses INTA Pin

0x3E

Min_Gnt

0x1

Read-only

0x3F

Max_Lat

0x4

Read-only

0x40

Capability ID

0x1

Power Management Capability Identifier

0x41

Next_Cap_Ptr

0x0

Read-only

0x43-0x42

Power Management Capabilities

0x6C22

Writable from the DSP during initialization

0x45-0x44

Power Management Control/Status

0x0

Bits 15 and 8 initialized only on Power-up

Table B-29. PCI Configuration Space for Function 1

Address

Name

Reset

Comments

0x01-0x00

Vendor ID

0x11D4

Writable from the DSP during initialization

0x03-0x02

Device ID

0x219A

Writable from the DSP during initialization

0x05-0x04

Command Register

0x0

Bus Master, Memory Space Capable, I/O Space Capable

0x07-0x06

Status Register

0x0

Bits enabled: Capabilities List, Fast

B2B, Medium Decode

0x08

Revision ID

0x0

Writable from the DSP during initialization

0x0B-0x09

Class Code

0x078000

Writable from the DSP during initialization

0x0C

Cache Line Size

0x0

Read-only

0x0D

Latency Timer

0x0

Read-only

0x0E

Header Type

0x80

Multifunction bit set

0x0F

BIST

0x0

Unimplemented

0x13-0x10

Base Address 1

0x08

Register Access for all ADSP-2192 Registers, Prefetchable Memory

0x17-0x14

Base Address 2

0x08

24-bit DSP Memory Access

0x1B-0x18

Base Address 3

0x08

16-bit DSP Memory Access

0x1F-0x1C

Base Address 4

0x01

I/O access for control registers and DSP memory

Table B-29. PCI Configuration Space for Function 1 (Continued)

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