Touchscreen Controller Registers
12.5.1.56 DMA1REQ Register (offset = F8h) [reset = 0h]
DMA1REQ is shown in
and described in
.
FIFO1 DMA req1 trigger@TSC_ADC_SS_FIFO1 DMA Request Register
Figure 12-60. DMA1REQ Register
31
30
29
28
27
26
25
24
Reserved
R-0h
23
22
21
20
19
18
17
16
Reserved
R-0h
15
14
13
12
11
10
9
8
Reserved
R-0h
7
6
5
4
3
2
1
0
Reserved
DMA_Request_Level
R-0h
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 12-60. DMA1REQ Register Field Descriptions
Bit
Field
Type
Reset
Description
31-6
Reserved
R
0h
RESERVED
5-0
DMA_Request_Level
R/W
0h
Number of words in FIFO0 before generating a DMA request
(program to value minus 1)
1094
Touchscreen Controller
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated