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LCD Registers
13.5.22 IRQSTATUS_RAW Register (offset = 58h) [reset = 0h]
IRQSTATUS_RAW is shown in Figure 13-40 and described in Table 13-35.
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
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