CapSense controller provides capacitive-touch sensing for buttons, sliders, and proximity inputs. The device uses an M8C CPU running up to 24 MHz with 8 KB of flash memory and 1 KB of SRAM. It supports a 1.71 V to 5.5 V operating range, I2C and SPI interfaces, 12 CapSense I/O pins, and a 10-bit Delta-Sigma ADC. Operation is specified from -40 °C to 85 °C.
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| Product group | PSoC™ 20xx7/S |
| CPU | M8C |
| Maximum CPU frequency | 24MHz |
| Flash memory | 8kByte |
| SRAM | 1kByte |
| Operating voltage | 1.71 to 5.5V |
| Operating temperature | -40 to 85°C |
| CapSense support | Yes |
| CapSense channels | 1 |
| CapSense I/O | 12 |
| CapSense technology | CSA and CSD |
| GPIOs | 14 |
| Communication interfaces | I2C, SPI |
| I2C interfaces | 1 |
| SPI interfaces | 1 |
| ADC | Delta-Sigma, 1 channel, 10-bit at 5.9 ksps |
| Timers/counters | 3 |
| Peak reflow temperature | 260°C |
These are design resources that include the Cypress Semiconductor CY8C20237
Technical reference manual for PSoC CY8C20xx7/S and CY8C20055 families covering M8C CPU core, CapSense, digital resources, and register configurations.
