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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 44TQFP
- Series：PSOC®1 CY8C27xxx
- Mfr：Cypress Semiconductor Corp
- Package：Bulk
- Core Processor：M8C
- Core Size：8-Bit
- Speed：24MHz
- Connectivity：I2C, SPI, UART/USART
- Peripherals：POR, PWM, WDT
- Number of I/O：40
- Program Memory Size：16KB (16K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：256 x 8
- Voltage - Supply (Vcc/Vdd)：3V ~ 5.25V
- Data Converters：A/D 4x14b; D/A 4x9b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：44-TQFP (10x10)
- Package / Case：44-LQFP
- Grade：-
- Qualification：-
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Overview
The CY8C27543-24AXI is an 8-bit microcontroller from the PSoC1 CY8C27xxx series, manufactured by Cypress Semiconductor Corp. It features an M8C core operating at a maximum frequency of 24MHz. The device includes 16KB of Flash program memory and 256 bytes of SRAM. It is housed in a 44-pin TQFP surface-mount package with dimensions of 10mm x 10mm x 1.4mm. The supply voltage range is 3V to 5.25V, and it operates within a temperature range of -40°C to +85°C.
Feature Summary
- Integrates a programmable mixed-signal array allowing for configurable digital and analog peripherals alongside an 8-bit microcontroller.
- Includes a 14-bit Analog-to-Digital Converter (ADC) unit for high-resolution signal acquisition.
- Supports standard communication interfaces including I2C, SPI, and UART/USART channels.
Applications
- Embedded control systems requiring mixed-signal processing
- Consumer electronics utilizing programmable logic
- Industrial equipment monitoring applications
Procurement Notes
Verify the manufacturer designation as Infineon Technologies or Cypress Semiconductor, reflecting corporate acquisitions. Confirm the specific suffix '24AXI' corresponds to the 24MHz speed grade and industrial temperature range. Ensure the 44-pin TQFP package matches the design footprint requirements before procurement.
Selection Notes
Select this component when an 8-bit architecture with significant analog programmability is required. The 16KB Flash and 256B RAM provide adequate resources for moderate complexity firmware. The 44-pin TQFP package offers a balance of I/O count and board space efficiency compared to smaller SSOP options.
Part Context
This part belongs to the PSoC1 family, which combines a CPU with configurable analog and digital blocks. Unlike standard MCUs, it allows hardware customization via software tools. The CY8C27xxx series specifically targets applications needing flexible peripheral configurations without increasing chip count or board size.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs if considering alternative pin-count variants within the same family.
