Touchscreen Controller Registers
12.5.1.4 IRQSTATUS Register (offset = 28h) [reset = 0h]
IRQSTATUS is shown in
and described in
.
IRQ status (masked)
Figure 12-8. IRQSTATUS 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
HW_Pen_Event_sync
Pen_Up_event
Out_of_Range
hronous
R/W-0h
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
FIFO1_Underflow
FIFO1_Overrun
FIFO1_Threshold
FIFO0_Underflow
FIFO0_Overrun
FIFO0_Threshold
End_of_Sequence
HW_Pen_Event_asyn
chronous
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 12-8. IRQSTATUS Register Field Descriptions
Bit
Field
Type
Reset
Description
31-11
Reserved
R/W
0h
10
HW_Pen_Event_synchron R/W
0h
Write 0 = No action.
ous
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
9
Pen_Up_event
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
8
Out_of_Range
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
7
FIFO1_Underflow
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
6
FIFO1_Overrun
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
5
FIFO1_Threshold
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
4
FIFO0_Underflow
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
3
FIFO0_Overrun
R/W
0h
Write 0 = No action.
Read 0 = No (enabled) event pending.
Read 1 = Event pending.
Write 1 = Clear (raw) event.
1039
SPRUH73H – October 2011 – Revised April 2013
Touchscreen Controller
Copyright © 2011–2013, Texas Instruments Incorporated