Cirrus Logic EP93xx - Manual (Page 256)

7-74 DS785UM1
Copyright 2007 Cirrus Logic
Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide
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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