Texas Instruments AM335 Series Technical Reference Manual

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12.5.1.4 IRQSTATUS Register (offset = 28h) [reset = 0h]
IRQSTATUS is shown in Figure 12-8 and described in Table 12-8.
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
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Texas Instruments AM335 Series Specifications

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Brand	Texas Instruments
Model	AM335 Series
Category	Computer Hardware
Language	English