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PSoC™ 6 Wi-Fi Bluetooth® Pioneer Kit guide
CY8CKIT-062-WIFI-BT
Hardware
3.3.4
CAPSENSE™ shield
The hatched pattern around the CAPSENSE™ buttons and slider are connected to ground. If liquid tolerance is
required, this pattern needs to be connected to the shield pin. This pattern can be connected to either of the two
ports P6.3 or P13.6 populated by R145 or R45, respectively. In both cases, resistor R44 connecting the hatched
pattern to ground needs to be removed.
Connecting the hatched pattern to shield instead of ground will also reduce the parasitic capacitance of the
sensors.
3.3.5
CSH
The shield tank capacitor (CSH) is not populated by default. This capacitor is optional, and can be used for an
improved shield electrode driver when CSD sensing is used. You can remove R146 to disconnect port 7.3 from
header and populate C29 (10 nF) for CSH. See the bill of material (BOM) for the recommended part number.
&66
Figure 38
Schematics of CAPSENSE™ shield and CSH
3.3.6
Multiplexed GPIOs
Some PSoC™ 6 MCU pins are multiplexed with on-board peripherals and are not connected to connectors or other
secondary components by default. See
3.4
Bill of materials
See the BOM files in the
User guide
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002-22677 Rev. *J
2023-12-18
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