Touchscreen Controller Registers
12.5.1.50 STEPDELAY16 Register (offset = E0h) [reset = 0h]
STEPDELAY16 is shown in
and described in
.
Step Delay Register 16
Figure 12-54. STEPDELAY16 Register
31
30
29
28
27
26
25
24
SampleDelay
R/W-0h
23
22
21
20
19
18
17
16
Reserved
OpenDelay
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
OpenDelay
R/W-0h
7
6
5
4
3
2
1
0
OpenDelay
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 12-54. STEPDELAY16 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-24
SampleDelay
R/W
0h
This register will control the number of ADC clock cycles to sample
(hold SOC high).
Any value programmed here will be added to the minimum
requirement of 1 clock cycle.
23-18
Reserved
R/W
0h
17-0
OpenDelay
R/W
0h
Program the number of ADC clock cycles to wait after applying the
step configuration registers and before sending the start of ADC
conversion
1088
Touchscreen Controller
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated