CapSense Express Controllers Registers TRM, Document No. 001-91082 Rev. *E
129
CMOD_SHIELD_TEST
0xa0
1.5.94
CMOD_SHIELD_TEST
Address = 0xa0
Cmod capacitor and shield electrode test results. If System diagnostics feature is disabled (DEVICE_CFG1.SYSD_EN = 0),
this register's content is invalid.
Address: 0xa0
Bits
7
6
5
4
3
2
1
0
Host Access
R
R
R
R
R
R
Device Access
RW
RW
RW
RW
RW
RW
Bit Name
RESERVED
SH_SNS
SH_GND
SH_VDD
CMOD_LO
W
CMOD_HIG
H
Bits
Name
Description
7 : 5
RESERVED
Reserved
4
SH_SNS
Indicator of whether a short circuit between the shield and any sensor was detected
0:
No short circuit between the shield and any sensor was detected or not tested
1:
A short circuit between the shield and at least one sensor was detected
3
SH_GND
Indicator of whether a short circuit between the shield and GND was detected
0:
No short circuit between the shield and GND was detected or not tested
1:
A short circuit between the shield and GND was detected
2
SH_VDD
Indicator of whether a short circuit between the shield and Vdd was detected
0:
No short circuit between the shield and Vdd was detected or not tested (A shield test is not
performed if shield is disabled in the SPO_CFG register)
1:
A short circuit between the shield and Vdd was detected
1
CMOD_LOW
Indicator of whether Cmod is less than the minimum allowed value
0:
Cmod is not less than the minimum allowed value
1:
Cmod is less than the minimum allowed value
0
CMOD_HIGH
Indicator of whether Cmod is greater than the maximum allowed value
0:
Cmod is not greater than the maximum allowed value.
1:
Cmod is greater than the maximum allowed value