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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 100TQFP
- Series：PSOC™ 3 CY8C32xx
- Mfr：Infineon Technologies
- Package：Tray
- Core Processor：8051
- Core Size：8-Bit
- Speed：50MHz
- Connectivity：EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals：CapSense, DMA, LCD, POR, PWM, WDT
- Number of I/O：62
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：512 x 8
- RAM Size：2K x 8
- Voltage - Supply (Vcc/Vdd)：1.71V ~ 5.5V
- Data Converters：A/D 16x12b; D/A 1x8b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-TQFP (14x14)
- Package / Case：100-LQFP
- Grade：-
- Qualification：-
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Overview
The CY8C3244AXA-143 is an 8-bit microcontroller from Infineon Technologies, featuring an 8051 core within the PSoC 3 family. It integrates 16 kB of Flash program memory and 2 kB of SRAM data RAM. The device supports a maximum clock frequency of 50 MHz and operates on a supply voltage range of 1.71 V to 5.5 V. It includes a 12-bit ADC, 70 I/O pins, and interfaces such as I2C, SPI, UART, and USB. Packaged in a 100-TQFP (14x14) format, it functions within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates an 8051-compatible processor core with programmable analog and digital blocks for system-level customization.
- Supports multiple communication protocols including I2C, SPI, UART, and Universal Serial Bus connectivity.
- Features high-resolution analog-to-digital conversion capabilities for precise signal acquisition.
Applications
- Consumer electronics requiring low-power processing and analog interfacing
- Industrial control systems utilizing serial communication protocols
- Embedded applications needing flexible I/O configurations and USB connectivity
Procurement Notes
Verify the specific suffix 'A' and '143' against official Infineon documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-TQFP form factor. Cross-reference the datasheet for any revisions in pinout or electrical characteristics compared to previous batches.
Selection Notes
Select this component when an 8051 architecture is required alongside significant analog peripheral integration. Consider the 16 kB memory constraint for firmware size. Evaluate the 100-pin count against available board space and I/O requirements. Confirm that the 1.71 V minimum operating voltage aligns with the system power rail design.
Part Context
This part belongs to the PSoC 3 series, which combines a programmable system-on-chip with an 8051 CPU. The CY8C32xx sub-series focuses on cost-effective solutions with integrated analog blocks. The AXA suffix typically denotes specific package and temperature variants within the broader product line.
Replacement Considerations
Consult official Infineon substitution guides for compatible parts within the CY8C32xx family. Verify functional equivalence regarding memory size, pin compatibility, and interface support before replacing.
