LCD Registers
13.5.22 IRQSTATUS_RAW Register (offset = 58h) [reset = 0h]
IRQSTATUS_RAW is shown in
and described in
.
Figure 13-40. IRQSTATUS_RAW 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_raw_set
eof0_raw_set
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
Reserved
pl_raw_set
fuf_raw_set
Reserved
acb_raw_set
sync_raw_set
recurrent_raster_done
done_raw_set
_raw_set
R/W-0h
R/W-0h
R/W-0h
R-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 13-35. IRQSTATUS_RAW Register Field Descriptions
Bit
Field
Type
Reset
Description
31-10
Reserved
R/W
0h
9
eof1_raw_set
R/W
0h
DMA End-of-Frame 1 Raw Interrupt Status and Set Read indicates
raw status 0 = Inactive 1 = Active Writing 1 will set status
Writing 0 has no effect
8
eof0_raw_set
R/W
0h
DMA End-of-Frame 0 Raw Interrupt Status and Set Read indicates
raw status 0 = inactive 1 = active Writing 1 will set status
Writing 0 has no effect
7
Reserved
R/W
0h
6
pl_raw_set
R/W
0h
DMA Palette Loaded Raw Interrupt Status and Set Read indicates
raw status 0 = inactive 1 = active Writing 1 will set status
Writing 0 has no effect
5
fuf_raw_set
R/W
0h
DMA FIFO Underflow Raw Interrupt Status and Set 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 raw status 0 = Inactive 1 = Active Writing 1 will set
status
Writing 0 has no effect
4
Reserved
R
0h
3
acb_raw_set
R/W
0h
For Passive Matrix Panels Only AC Bias Count Raw Interrupt Status
and Set 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 raw status 0 = inactive 1 = active Writing 1 will set
status
Writing 0 has no effect
2
sync_raw_set
R/W
0h
Frame Synchronization Lost Raw Interrupt Status and Set Read
indicates raw status 0 = inactive 1 = active Writing 1 will set status
Writing 0 has no effect
1
recurrent_raster_done_ra
R/W
0h
Raster Mode Frame Done Interrupt
w_set
Read indicates raw status
0 = Inactive
1 = Active
Writing 1 will set status
Writing 0 has no effect
1153
SPRUH73H – October 2011 – Revised April 2013
LCD Controller
Copyright © 2011–2013, Texas Instruments Incorporated