Touchscreen Controller Registers
12.5.1.39 STEPCONFIG11 Register (offset = B4h) [reset = 0h]
STEPCONFIG11 is shown in
and described in
.
Step Configuration 11
Figure 12-43. STEPCONFIG11 Register
31
30
29
28
27
26
25
24
Reserved
Range_check
FIFO_select
Diff_CNTRL
SEL_RFM_SWC_1_0
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
23
22
21
20
19
18
17
16
SEL_RFM_SWC_1_0
SEL_INP_SWC_3_0
SEL_INM_SWC_3_0
R/W-0h
R/W-0h
R/W-0h
15
14
13
12
11
10
9
8
SEL_INM_SWC_3_0
SEL_RFP_SWC_2_0
WPNSW_SWC
YPNSW_SWC
XNPSW_SWC
YNNSW_SWC
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
R/W-0h
7
6
5
4
3
2
1
0
YPPSW_SWC
XNNSW_SWC
XPPSW_SWC
Averaging
Mode
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 12-43. STEPCONFIG11 Register Field Descriptions
Bit
Field
Type
Reset
Description
31-28
Reserved
R/W
0h
27
Range_check
R/W
0h
0 = Disable out-of-range check.
1 = Compare ADC data with range check register.
26
FIFO_select
R/W
0h
Sampled data will be stored in FIFO.
0 = FIFO.
1 = FIFO1.
25
Diff_CNTRL
R/W
0h
Differential Control Pin
24-23
SEL_RFM_SWC_1_0
R/W
0h
SEL_RFM pins SW configuration
22-19
SEL_INP_SWC_3_0
R/W
0h
SEL_INP pins SW configuration
18-15
SEL_INM_SWC_3_0
R/W
0h
SEL_INM pins for negative differential
14-12
SEL_RFP_SWC_2_0
R/W
0h
SEL_RFP pins SW configuration
11
WPNSW_SWC
R/W
0h
WPNSW pin SW configuration
10
YPNSW_SWC
R/W
0h
YPNSW pin SW configuration
9
XNPSW_SWC
R/W
0h
XNPSW pin SW configuration
8
YNNSW_SWC
R/W
0h
YNNSW pin SW configuration
7
YPPSW_SWC
R/W
0h
YPPSW pin SW configuration
6
XNNSW_SWC
R/W
0h
XNNSW pin SW configuration
5
XPPSW_SWC
R/W
0h
XPPSW pin SW configuration
4-2
Averaging
R/W
0h
Number of samples to average:
000 = No average.
001 = 2 samples average.
010 = 4 samples average.
011 = 8 samples average.
100 = 16 samples average.
1-0
Mode
R/W
0h
00 = SW enabled, one-shot.
01 = SW enabled, continuous.
10 = HW synchronized, one-shot.
11 = HW synchronized, continuous.
1077
SPRUH73H – October 2011 – Revised April 2013
Touchscreen Controller
Copyright © 2011–2013, Texas Instruments Incorporated