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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48TQFP
- Series：PSOC™ 4 CY8C42xx-L
- Mfr：Infineon Technologies
- Package：Tape & Reel (TR)
- Core Processor：ARM® Cortex®-M0
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals：Brown-out Detect/Reset, CapSense, DMA, LCD, LVD, POR, PWM, SmartSense, WDT
- Number of I/O：38
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：16K x 8
- Voltage - Supply (Vcc/Vdd)：1.71V ~ 5.5V
- Data Converters：A/D 16x12b; D/A 2x7b, 2x8b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-LQFP
- Grade：-
- Qualification：-
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Overview
The CY8C4247AZI-L423T is a PSoC 4200L microcontroller based on the Arm Cortex-M0 core, operating at up to 48 MHz. It features 256 kB of Flash memory and 32 kB of SRAM within a 48-pin TQFP package. The device includes a 12-bit SAR ADC, four opamps, two low-power comparators, eight TCPWM blocks, four SCBs, USB Full-Speed interface, and two CAN blocks. It supports capacitive sensing and segment LCD drive, functioning across a voltage range of 1.71 V to 5.5 V.
Feature Summary
- Integrates programmable analog and digital subsystems with flexible automatic routing for in-field tuning.
- Includes dedicated hardware for capacitive sensing with SmartSense automatic tuning and segment LCD drive capabilities.
- Provides robust communication interfaces including USB Full-Speed and dual independent CAN blocks for industrial networking.
Applications
- Industrial control systems requiring CAN bus connectivity
- Battery-powered devices utilizing deep sleep and hibernate power modes
- User interface designs incorporating capacitive touch sensors or segment LCD displays
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure design compatibility with the PSoC Creator IDE and check for any recent product change notices regarding assembly or material declarations before finalizing procurement.
Selection Notes
Select this component when high memory capacity (256 kB Flash) and extensive I/O flexibility are required. It is suitable for applications needing multiple communication protocols like CAN and USB alongside precise analog signal processing via the 12-bit ADC and opamps.
Part Context
This part belongs to the PSoC 4200L family, which extends the standard PSoC 4 platform with enhanced low-power capabilities. It shares architectural similarities with other Cortex-M0 based PSoC devices but offers specific optimizations for energy efficiency and programmable mixed-signal integration.
Replacement Considerations
Direct substitutes include other CY8C424x variants within the PSoC 4200L family that match the 256 kB Flash and 48-pin TQFP configuration. Verify pinout compatibility and peripheral availability when considering cross-model replacements.
FAQ
Does the CY8C4247AZI-L423T support capacitive sensing?
Yes, it includes two Infineon Capacitive Sigma-Delta (CSD) blocks with SmartSense automatic hardware tuning for reliable capacitive sensing designs.
What is the maximum clock frequency of the CPU?
The Arm Cortex-M0 CPU operates at a maximum frequency of 48 MHz.
Can the device operate in deep sleep mode?
Yes, the device supports Deep Sleep and Hibernate modes, allowing for significant power savings while maintaining the ability to wake up via GPIO or peripherals.
