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AMD Geode LX [email protected] User Manual

Page 493

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AMD Geode™ LX Processors Data Book

493

Video Input Port Register Descriptions

33234H

14

MSG_BERR

Message Buffer Error.

0: No error.
1: Message buffer was overwritten. This occurs when both msg buffers are full and a

msg/dstrm packet is received.

Writing a 1 to the bit resets it to 0.

13

B2_FULL

MSG Buffer 2 Full.

0: Buffer 2 empty.
1: Buffer 2 full.

Writing a 1 to the bit resets it to 0.

12

B1_FULL

MSG Buffer 1 Full.

0: Buffer 1 empty.
1: Buffer 1 full.

Writing a 1 to the bit resets it to 0.

11:10

RSVD

Reserved.

9

GLWC

GLIU Writes Completed.

0: VIP has outstanding GLIU transactions.
1: VIP has completed all outstanding GLIU transactions.

8

FE

VIP FIFO Empty.

0: VIP FIFO is NOT empty.
1: VIP FIFO is empty.

7:5

RSVD

Reserved.

4

F (RO)

Field Indication (Read Only). Indicates current status of field being received.

0: Odd field is being received.
1: Even field is being received.

3

V (RO)

VBLANK Indication (Read Only). Indicates current status of VBLANK being received.

0: Active video.
1: Vertical blanking.

2:0

Run Status (RO)

Run Status (Read Only). Indicates active data types received.

Bit 2: Indicates that an ancillary packet has been received.
Bit 1: Indicates that a VBI packet has been received.
Bit 0: Indicates that a video packet or Msg/Data Streaming packet has been received.

Writing a 1 to a bit resets it to 0. These bits are enabled when the corresponding DT_EN
bits are set in the VIP Control 1 register (VIP Memory Offset 00h) along with the
VIP_MODE bits.

VIP_STATUS Bit Descriptions (Continued)

Bit

Name

Description

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