Infineon CY8C5868AXI-LP035 PSoC 5LP Microcontroller
Infineon CY8C5868AXI-LP035 Product Overview
The CY8C5868AXI-LP035 is a member of Infineon’s PSoC 5LP programmable system-on-chip family, integrating a 32-bit ARM Cortex-M3 core with extensive programmable analog and digital resources. Housed in a 100-pin TQFP package, it is designed for embedded applications requiring high-performance processing, flexible connectivity, and precise analog signal chain integration.
Operating at up to 67 MHz, the Cortex-M3 core delivers 84 DMIPS performance. The device features 256 KB of flash memory, 64 KB of SRAM, and 2 KB of EEPROM. It includes a configurable analog front end with two 12-bit SAR ADCs (up to 1 Msps), four 8-bit IDACs, two 8-bit VDACs, and four comparators. Digital resources include 24 universal digital blocks (UDBs) for implementing custom logic, timers, counters, PWM, UART, I²C, SPI, and I²S. Supply voltage is 2.7 V to 5.5 V. Operating temperature is -40 °C to +85 °C. Mass is approximately 0.7 g.
Infineon CY8C5868AXI-LP035 Key Specifications
|
Parameter |
Value |
|
Core |
32-bit ARM Cortex-M3 |
|
Max frequency |
67 MHz |
|
Flash memory |
256 KB |
|
SRAM |
64 KB |
|
EEPROM |
2 KB |
|
Analog ADCs |
2 x 12-bit SAR, up to 1 Msps (with sequencing) |
|
Analog DACs |
4 x 8-bit IDAC, 2 x 8-bit VDAC |
|
Comparators |
4 |
|
UDBs (universal digital blocks) |
24 |
|
Fixed digital peripherals |
2 x CAN 2.0b, Full-speed USB 2.0, I²C, SPI, UART |
|
Supply voltage (VDD) |
2.7 V to 5.5 V |
|
Operating temp (TA) |
-40 °C to +85 °C |
|
Package |
100-pin TQFP (14 mm x 14 mm, 0.5 mm pitch) |
|
Mass (m) |
≈ 0.7 g |
Infineon CY8C5868AXI-LP035 Key Advantages
The CY8C5868AXI-LP035 employs the PSoC architecture, delivering flexible system integration by combining a 67 MHz Cortex-M3 processor with programmable analog (12-bit SAR ADCs, IDACs, VDACs) and programmable digital (24 UDBs) resources on a single chip. The 256 KB flash and 64 KB SRAM provide ample memory for complex firmware, while the USB 2.0 and CAN 2.0b interfaces enable robust connectivity in industrial and automotive applications. The 2.7 V to 5.5 V supply range allows direct operation from standard battery or logic rails without extra regulators. The -40 °C to +85 °C temperature range ensures reliable performance in harsh environments. The 100-pin TQFP package offers a balanced I/O count (up to 72 GPIOs) for sensor interfacing and actuator control, while the integrated programmable blocks significantly reduce external component count and BOM cost.
Infineon CY8C5868AXI-LP035 Typical Applications
Motor control and power conversion systems
Programmable logic controllers (PLCs) and industrial automation
Sensor signal conditioning and data acquisition
Portable medical devices and patient monitoring
Automotive body electronics and sensor interfaces
Human-machine interface (HMI) and capacitive touch sensing (CapSense)
Why Choose the Infineon CY8C5868AXI-LP035?
The CY8C5868AXI-LP035 combines 67 MHz Cortex-M3 performance, 256 KB flash, 64 KB SRAM, 12-bit analog precision, and 24 programmable UDBs in a 100-pin TQFP package. Manufactured by Infineon (formerly Cypress), it delivers scalable, flexible, and reliable embedded processing for industrial, automotive, and consumer applications. The PSoC 5LP series offers the unique advantage of true analog/digital co-design, allowing engineers to configure custom hardware on-the-fly, reduce PCB layers, and accelerate time-to-market. Its robust peripheral set, wide voltage range, and extended temperature support make it a trusted choice for system designers seeking both performance and design agility.
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