CY8CMBR2110_13 Datasheet, PDF (64/71 Pages) Cypress Semiconductor – CapSense® Express™ 10-Button Controller

CY8CMBR2110
4.7 CSx_SHORT_VDDx
CapSense Buttons Short to V_DD Information registers
Individual Register Names and Addresses:
CSx_SHORT_VDD0: Pl, 10h
CSx_SHORT_VDD1: Pl, 11h
CSx_SHORT_VDD0
7
6
5
4
3
2
1
0
Access: FD
R: 0
R: 0
R: 0
R: 0
R: 0
R: 0
R: 0
R: 0
Bit Name
CS7
CS6
CS5
CS4
CS3
CS2
CS1
CS0
CSx_SHORT_VDD1
7
6
5
4
3
2
1
0
Access: FD
R: 0
R: 0
Bit Name
CS9
CS8
This register gives information of any button that is shorted to V_DD. If any bit in the register is set to '1', then the corresponding button
is connected to V_DD. CapSense buttons do not operate when they are connected to V_DD, and are disabled.
4.8 CMOD_VALUE
Incorrect C_MOD Value Information registers
Individual Register Names and Addresses:
CMOD_VALUE: Pl, 13h
7
6
5
4
3
2
1
0
Access: FD
R: 0
R: 0
Bit Name
C_MOD < 1 nF C_MOD > 4 nF
This register gives information if an incorrect value of C_MOD is connected. If the proper value of C_MOD is connected, then both bits ‘0’
and ‘1’ are set to ‘0’.
Bit
0
Name
C_MOD > 4 nF
1
C_MOD < 1 nF
Description
This bit gives information if C_MOD value detected is greater than the recommended range
0 C_MOD is < 4 nF
1 C_MOD is > 4 nF
This bit gives information if the C_MOD value detected is less than the recommended range
0 C_MOD is > 1 nF
1 C_MOD is < 1 nF
4.9 CSxy_SNR
CapSense Button SNR Information registers
Individual Register Names and Addresses:
CS01_SNR: Pl, 14h
CS67_SNR: Pl, 17h
Access: FD
Bit Name
CS23_SNR: Pl, 15h
CS89_SNR: Pl, 18h
7
6
5
RW: 00
CSy_SNR[7:4]
CS45_SNR: Pl, 16h
4
3
2
1
0
RW: 00
CSx_SNR[3:0]
These registers give the signal to noise ratio information of the enabled buttons.
Document Number: 001-74494 Rev. *B
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