Cypress Semiconductor recently introduced two new PSoC programmable system-on-chips with enhanced analog and digital performance. The CY8C21x45 and CY8C22xxx give engineers more design flexibility through greater configurability and better performance of digital resources for implementing PWMs, timers, communication interfaces such as I²C and SPI, and more.
Leveraging a dedicated dual-channel CapSense capacitive touch-sensing interface, a capability called CapSense Plus allows a single new PSoC device to implement multiple buttons and slider interfaces while managing functions such as motor control, intelligent sensing, LED control and more. The new chips target a broad range of applications across white goods, communications, industrial, automotive, consumer electronics and other markets.
The PSoC architecture integrates programmable analog and digital blocks with a microcontroller. The enhanced digital resources on the new devices offer a hardware realtime clock and PWM deadband and single/multishot support, saving CPU horsepower and engineering development time. The new devices include a faster, dedicated successive-approximation register (SAR) analog-to-digital converter (ADC) with sample and hold capability delivering sampling rates up to 150 KSps. These new devices also allow every I/O to be analog or digital.
Cypress offers multiple kits to streamline design with the new PSoC devices. The CY3280-22x45 Universal CapSense Controller Kit offers a development board with ports for CapSense expansion modules, including the CY3280-CPM1 CapSense Plus Module. The CPM1 board has a potentiometer, LED display and other I/Os for interaction with the core processor on the CY3280 kits – showcasing the additional functions that can be integrated with CapSense Plus. The CY3250-22x45 Pod kit allows a designer to use pods and feet to place the new PSoC devices onto development boards and perform in-development system debugging.
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