LCD Registers
13.5.25 IRQENABLE_CLEAR Register (offset = 64h) [reset = 0h]
IRQENABLE_CLEAR is shown in
and described in
.
Figure 13-43. IRQENABLE_CLEAR Register
31
30
29
28
27
26
25
24
Reserved
R/W-0h
23
22
21
20
19
18
17
16
Reserved
R/W-0h
15
14
13
12
11
10
9
8
Reserved
eof1_en_clr
eof0_en_clr
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
Reserved
pl_en_clr
fuf_en_clr
Reserved
acb_en_clr
sync_en_clr
recurrent_raster_done
done_en_clr
_en_clr
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 13-38. IRQENABLE_CLEAR Register Field Descriptions
Bit
Field
Type
Reset
Description
31-10
Reserved
R/W
0h
9
eof1_en_clr
R/W
0h
DMA End-of-Frame 1 Interrupt Enable Clear Read indicates enabled
status
0 = disabled 1 = enabled Writing 1 will clear interrupt enable
Writing 0 has no effect
8
eof0_en_clr
R/W
0h
DMA End-of-Frame 0 Interrupt Enable Clear Read indicates enabled
status 0 = disabled 1 = enabled Writing 1 will clear interrupt enable
Writing 0 has no effect
7
Reserved
R/W
0h
6
pl_en_clr
R/W
0h
DMA Palette Loaded Interrupt Enable Clear Read indicates enabled
status
0 = disabled 1 = enabled Writing 1 will clear interrupt enable
Writing 0 has no effect
5
fuf_en_clr
R/W
0h
DMA FIFO Underflow Interrupt Enable Clear LCD dithering logic not
supplying data to FIFO at a sufficient rate, FIFO has completely
emptied and data pin driver logic has attempted to take added data
from FIFO
Read indicates enabled status
0 = disabled 1 = enabled Writing 1 will clear interrupt enable
Writing 0 has no effect
4
Reserved
R/W
0h
3
acb_en_clr
R/W
0h
For Passive Matrix Panels Only AC Bias Count Interrupt Enable
Clear AC bias transition counter has decremented to zero, indicating
that the lcd_ac_o line has transitioned the number of times which is
specified by the acbi control bit-field
The counter is reloaded with the value in acbi but it is disabled until
the user clears ABC
Read indicates enabled status
0 = disabled 1 = enabled Writing 1 will clear interrupt enable
Writing 0 has no effect
2
sync_en_clr
R/W
0h
Frame Synchronization Lost Interrupt Enable Clear Read indicates
enabled status 0 = disabled 1 = enabled Writing 1 will clear interrupt
enable
Writing 0 has no effect
1159
SPRUH73H – October 2011 – Revised April 2013
LCD Controller
Copyright © 2011–2013, Texas Instruments Incorporated