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Product Detailed Parameters
- Description：IC MCU 32BIT 64KB FLASH 48LQFP
- Series：PSOC™ 4 CY8C42xx - M
- Mfr：Infineon Technologies
- Package：Tray
- Core Processor：ARM® Cortex®-M0
- Core Size：32-Bit
- Speed：48MHz
- Connectivity：I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals：Brown-out Detect/Reset, Cap Sense, LCD, LVD, POR, PWM, SmartSense, WDT
- Number of I/O：38
- Program Memory Size：64KB (64K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：8K x 8
- Voltage - Supply (Vcc/Vdd)：1.71V ~ 5.5V
- Data Converters：A/D 24x12b SAR; D/A 4x7/8b
- Oscillator Type：External, Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-TQFP (7x7)
- Package / Case：48-LQFP
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The CY8C4246AZS-M443 is an ARM Cortex-M0 microcontroller within the PSoC 4200M series, manufactured by Infineon Technologies. It features a 48 MHz maximum clock frequency and integrates 64 kB of Flash program memory alongside 8 kB of SRAM data RAM. The device provides 38 general-purpose I/O pins and includes a 12-bit SAR ADC with a sampling rate up to 1 MSPS. Power supply ranges from 1.71 V to 5.5 V, operating reliably between -40°C and +105°C. Connectivity options include I2C, SPI, and UART interfaces via four Serial Communication Block modules.
Feature Summary
- Supports CapSense touch sensing capabilities for user interface applications
- Includes two low-power comparators for analog signal processing
- Features eight TCPWM blocks for precise timing and PWM generation
- Offers direct LCD drive capability for display integration
Applications
- Battery-powered consumer electronics requiring low power consumption
- Industrial control systems utilizing serial communication protocols
- Smart home devices incorporating capacitive touch inputs
- Portable medical equipment needing reliable analog-to-digital conversion
Procurement Notes
Verify component authenticity through authorized distributors or official manufacturer channels. Confirm package integrity upon receipt, as moisture sensitivity requires proper handling. Check revision markings against current datasheets to ensure compatibility with design specifications. Validate RoHS compliance documentation for regulatory adherence in target markets.
Selection Notes
Evaluate pin count requirements against the available 38 I/O lines. Assess memory needs relative to the 64 kB Flash and 8 kB SRAM limits. Consider thermal management for operation within the specified temperature range. Ensure voltage levels match the 1.71 V to 5.5 V operational window for stable performance.
Part Context
This MCU belongs to the PSoC 4200M family, designed for cost-sensitive embedded applications. It combines programmable analog and digital blocks with a standard ARM core. The TQFP-48 package offers a compact solution for space-constrained designs while maintaining robust connectivity options for peripheral integration.
Replacement Considerations
Check for end-of-life status as indicated by source data. Verify functional equivalence if substituting with other PSoC 4 variants. Ensure pin compatibility and memory size meet project requirements before switching components.
