Cirrus Logic EP93xx User Manual

Page 256

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7-74

DS785UM1

Copyright 2007 Cirrus Logic

Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide

7

7

7

Writing a Frame Counter Selection value to this bit selects
which Frame Counter is used for the current 3-bit pixel
value:

0 - use FRAME_CNT3
1 - use FRAME_CNT4

This bit is only defined for address locations GrySclLUTx
Base + 0x000 to GrySclLUTx Base + 0x01C.

VERT:

Vertical Counter Selection - Read/Write

Writing a Vertical Counter Selection value to this bit
selects which Vertical Counter is used for the current 3-bit
pixel value:

0 - use FRAME_CNT3
1 - use FRAME_CNT4

This bit is only defined for address locations GrySclLUTx
Base + 0x000 to GrySclLUTx Base + 0x01C.

HORZ:

Horizontal Counter Selection - Read/Write

Writing a Horizontal Counter Selection value to this bit
selects which Horizontal Counter is used for the current 3-
bit pixel value:

0 - use FRAME_CNT3
1 - use FRAME_CNT4

This bit is only defined for address locations GrySclLUTx
Base + 0x000 to GrySclLUTx Base + 0x01C.

D:

Matrix Position Enable - Read/Write

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