Description

The CY8C24423A-24LT is a microcontroller in the PSoC family, which is a single-chip programmable component designed to replace multiple traditional microcontroller unit (MCU)-based components. This device features configurable analog and digital blocks, programmable interconnect, a fast CPU, Flash program memory, SRAM data memory, and configurable I/O. It operates at a range of 1.71 V to 5.5 V and has an operating temperature range of -40°C to +85°C. The CY8C24423A-24LT also offers flexible on-chip memory options, including various flash and SRAM capacities, as well as EEPROM emulation and in-system programming. It has four clock sources and supports up to 36 general-purpose dual mode GPIO. The device includes versatile analog functions, full-speed USB 2.0 compliance, and additional system resources such as I2C Slave, SPI master and slave, timers, watchdog, ADC, comparators, IDAC, and software PWM. The CY8C24423A-24LT is supported by the PSoC Designer™ IDE and is available in different package options with varying numbers of GPIOs.

Specifications and features

- Powerful Harvard-architecture processor
- M8C CPU with a max speed of 24 MHz
- Operating Range: 1.71 V to 5.5 V
- Standby Mode 1.1 μA (Typ)
- Deep Sleep 0.1 μA (Typ)
- Operating Temperature range: –40 °C to +85 °C
- Flexible on-chip memory
- 8 KB flash, 1 KB SRAM
- 16 KB flash, 2 KB SRAM
- 32 KB flash, 2 KB SRAM
- Read while Write with EEPROM emulation
- 50,000 flash erase/write cycles
- In-system programming simplifies manufacturing process
- Four Clock Sources
- Internal main oscillator (IMO): 6/12/24 MHz
- Internal low-speed oscillator (ILO) at 32 kHz for watchdog and sleep timers
- External 32 KHz Crystal Oscillator
- External Clock Input
- Programmable pin configurations
- Up to 36 general purpose dual mode GPIO (Analog inputs and Digital I/O supported)
- High sink current of 25 mA per GPIO
- Max sink current 120 mA for all GPIOs
- Source Current: 5 mA on ports 0 and 1, 1 mA on ports 2,3 and 4
- Configurable internal pull-up, high-Z and open drain modes
- Selectable, regulated digital I/O on port 1
- Configurable input threshold on port 1
- Versatile Analog functions
- Internal Low-Dropout voltage regulator for high power supply rejection ratio (PSRR)
- Full-Speed USB
- 12 Mbps USB 2.0 compliant
- Eight unidirectional endpoints
- One bidirectional endpoint
- Dedicated 512 byte SRAM
- No external crystal required
- Additional system resources
- I2C Slave: Selectable to 50 kHz, 100 kHz, or 400 kHz
- Configurable up to 12 MHz SPI master and slave
- Three 16-bit timers
- Watchdog and sleep timers
- Integrated supervisory circuit
- 10-bit incremental analog-to-digital converter (ADC) with internal voltage reference
- Two general-purpose Comparators:
- 3 Voltage References (0.8 V, 1 V, 1.2 V)
- Any pin to either comparator inputs
- Low-power operation at 10 µA
- One 8-bit IDAC with full scale range of 512 µA
- One 8-bit Software PWM
- Development Platform:
- PSoC Designer™ IDE
- GPIOs and Package options: 13 GPIOs - QFN 16, 28 GPIOs - QFN 32, 34 GPIOs - QFN 48, 36 GPIOs - QFN 48

Application Scenarios

The CY8C24423A-24LT microcontroller can be used in various applications such as industrial automation, consumer electronics, automotive systems, Internet of Things (IoT) devices, and more. Its versatile features and customizable peripheral configurations make it suitable for a wide range of applications that require a low cost and compact solution.

Comparison

- Single-chip programmable component that replaces multiple traditional MCU-based components
- Configurable analog and digital blocks
- Various on-chip memory options for data storage
- Versatile analog functions for enhanced performance
- Full-Speed USB 2.0 compliance
- Additional system resources for extended functionality
- Supported by the PSoC Designer™ IDE
- Available in different package options with varying numbers of GPIOs

- Limited number of GPIOs in certain package options compared to other microcontrollers in the market
- Requires familiarity with the PSoC Designer™ IDE for programming and development