Cursoradrstart – Cirrus Logic EP93xx User Manual
Page 248
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DS785UM1
Copyright 2007 Cirrus Logic
Raster Engine With Analog/LCD Integrated Timing and Interface
EP93xx User’s Guide
7
7
7
Bit Descriptions:
RSVD:
Reserved - Unknown during read
BGOFF:
Background Off - Read/Write
The function of Background Off value that is written to this
field is defined by the selected blink mode.
When the value of the M field in the
is written to
select ‘blink to background’ mode, the BGOFF field
defines a 24-bit color for the background.
When the value of the M field in the
is written to
select ‘blink to offset’ mode, the BGOFF field defines the
mathematical offset value for the blink color. The format for
the mathematical offset is based on the color display mode
- that is, 888, 565, 555 (see
“Types of Blinking” on page 7-
Hardware Cursor Registers
CursorAdrStart
Address: 0x8003_0060
Default: 0x0000_0000
Definition: Cursor Image Address Start register
Bit Descriptions:
ADR:
Address - Read/Write
The Cursor Address Start value that is written to this field
specifies the SDRAM location that contains the start of the
cursor image. The cursor image is 2-bits per pixel, and is
stored linearly. The amount of storage space is dependent
on the width and height of the cursor.
NA:
Not Assigned - Will return the written value
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
ADR
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
ADR
NA