Appendix
AN66308 - CY8CMBR2044 CapSense® Design Guide, Doc. No. 001-66308 Rev. *F
41
GPO0
– GPO3 pins: LED and 560 Ω to VDD
o
CapSense buttons driving four LEDs (GPO0
– GPO3)
CMOD pin: 2.2 nF to Ground
o
Modulator capacitor
XRES pin: Floating
o
For external reset
Toggle/FSS pin: Ground
o
Toggle ON/OFF disabled
o
FSS disabled
ARST pin:
5 kΩ to Ground
o
Button Auto Reset enabled, Auto Reset Period = 20 seconds
Delay pin: Ground
o
LED ON Time disabled
ScanRate/Sleep pin: Ground
o
User configured scan rate = 20 ms
To enable Serial Debug Data output, connect a 5.6 kohm resistor on R9 or R12.