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Product Detailed Parameters
- Description：IC MCU 8BIT 16KB FLASH 48SSOP
- Series：PSOC™ 3 CY8C32xx
- Mfr：Infineon Technologies
- Package：Tube
- Core Processor：8051
- Core Size：8-Bit
- Speed：50MHz
- Connectivity：EBI/EMI, I2C, LINbus, SPI, UART/USART
- Peripherals：CapSense, DMA, POR, PWM, WDT
- Number of I/O：25
- 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：48-SSOP
- Package / Case：48-BSSOP (0.295", 7.50mm Width)
- Grade：-
- Qualification：-
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Overview
The CY8C3244PVA-155 is an 8-bit microcontroller from Infineon Technologies, part of the PSoC 3 family. It features an 8051 core with a maximum clock frequency of 50 MHz. The device includes 16 kB of Flash program memory and 2 kB of SRAM data RAM. It offers a wide operating voltage range from 1.71 V to 5.5 V and supports surface-mount installation in a 48-SSOP package. The MCU provides 29 I/O pins and integrates multiple communication interfaces including I2C, SPI, UART, and USB.
Feature Summary
- Integrates a programmable analog block for mixed-signal applications
- Supports CapSense touch sensing technology for user interface control
- Includes a high-speed USB 2.0 device interface for connectivity
- Features a flexible digital logic matrix for custom peripheral implementation
Applications
- Consumer electronics requiring touch input controls
- Industrial control systems with mixed-signal requirements
- USB-enabled peripheral devices and dongles
- Battery-powered embedded systems needing low-voltage operation
Procurement Notes
Verify the specific suffix '155' against official Infineon documentation to confirm pinout compatibility and package dimensions. Ensure that the required analog and digital resources are available within the PSoC Creator design environment. Confirm RoHS compliance status and moisture sensitivity level prior to assembly planning.
Selection Notes
Select this component when an 8051 architecture is preferred over ARM cores for legacy code compatibility. Choose this model if the application requires integrated CapSense capabilities alongside standard USB connectivity. Consider the 48-pin SSOP package constraints regarding available GPIO count and thermal dissipation needs.
Part Context
This microcontroller belongs to the PSoC 3 series, which combines a programmable system-on-chip architecture with an 8051 CPU. The CY8C3244 variant specifically targets cost-sensitive applications requiring moderate performance and extensive analog integration within a compact footprint compared to larger packages.
Replacement Considerations
Check for CY8C3244AXI variants for TQFP packaging options or CY8C3244PVI for alternative SSOP configurations. Verify functional equivalence regarding analog block availability and firmware compatibility before substituting.
