Infineon Technologies CY8C5488AXI-LP120
- Part No.:
- CY8C5488AXI-LP120
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY8C5488AXI-LP120.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100TQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C5488AXI-LP120 from Infineon Technologies (formerly Cypress Semiconductor) is a 32-bit Arm Cortex-M3-based programmable system-on-chip (PSoC® 5LP) integrating configurable analog/digital peripherals, 256 KB flash, 64 KB RAM, and USB 2.0 Full-Speed interface. It operates from 1.71–5.5 V across –40 to +85 °C, supports ultra-low-power hibernate mode (300 nA with RAM retention), and delivers up to 80 MHz CPU performance for embedded control in resource-constrained systems.
For engineers reviewing the CY8C5488AXI-LP120 datasheet, CY8C5488AXI-LP120 pinout, CY8C5488AXI-LP120 application, or CY8C5488AXI-LP120 equivalent, key selection criteria include its dual ADC architecture (delta-sigma + SAR), CapSense® support for up to 62 sensors, flexible UDB-based digital logic synthesis, and routing of any peripheral to any GPIO - critical for mixed-signal IoT edge nodes and industrial HMI designs.
Technical Context
The CY8C5488AXI-LP120 implements a tightly integrated SoC architecture where the Arm Cortex-M3 core interfaces directly with a programmable digital subsystem (24 Universal Digital Blocks), analog subsystem (dual ADCs, two opamps, four comparators, two DACs), and a unified I/O routing fabric. Its clocking system includes a 3–74 MHz IMO, PLL for 80 MHz operation, and low-power oscillators (1/33/100 kHz ILO, 32.768 kHz RTC).
Power management features six independent domains, boost regulator (0.5–5 V output), and three low-power modes: Active (3.1 mA @ 6 MHz), Sleep (2 µA), and Hibernate (300 nA with RAM retention). The device supports JTAG/SWD debugging, SWV trace, and bootloader programming via USB/I2C/SPI/UART.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M3, 80 MHz max - enables real-time deterministic control with 32-bit precision and 32 interrupt inputs. |
| Memory | 256 KB flash (with cache/security), 64 KB RAM, 2 KB EEPROM - sufficient for firmware, data logging, and secure boot code storage. |
| Analog Peripherals | 12-bit SAR + 8–12-bit delta-sigma ADC, two 8-bit DACs, four comparators, two opamps - supports simultaneous sensor signal acquisition and conditioning. |
| Digital Peripherals | 24 UDBs, four TCPWM blocks, I2C (1 Mbps), USB 2.0 FS (12 Mbps), UART/SPI/I2S/LIN - enables custom protocol stacks and mixed-interface connectivity. |
| Power Range | 1.71–5.5 V supply, six power domains - allows direct interfacing with 1.8 V, 3.3 V, and 5 V subsystems without level shifters. |
| I/O System | 72-pin package with up to 62 GPIOs, eight SIO pins (25 mA sink, overvoltage tolerant), USBIO pins - supports robust HMI, CapSense®, and hot-swap interfaces. |
| Low-Power Modes | Hibernate at 300 nA with RAM retention - enables battery-powered operation for years in metering or sensor node applications. |
Pinout & Package
The CY8C5488AXI-LP120 is housed in a 72-pin QFN (7 mm × 7 mm, 0.4 mm pitch) package with exposed thermal pad. Pin functions are fully configurable via PSoC Creator™; all GPIOs support analog/digital routing, CapSense®, and LCD segment drive.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA/VDDD | Analog/Digital Power Supply | Separate 1.71–5.5 V domains enable noise-isolated analog operation and flexible voltage scaling. |
| P0[0]–P15[7] | Configurable GPIO | 72 total pins; up to 62 general-purpose, eight SIO-capable (25 mA sink, comparator input, overvoltage tolerant). |
| USB_DP/USB_DM | USB 2.0 Full-Speed Interface | Dedicated differential pair supporting 12 Mbps communication without external PHY; internal oscillator qualified per USB TID#10840032. |
| XRES | External Reset Input | Active-low asynchronous reset pin compatible with 1.2–5.5 V logic levels; debounced internally. |
| JTAG/SWD Pins | Debug Interface | TCK/TMS/TDO/TDI (JTAG) or SWDIO/SWCLK (SWD) - enables in-circuit programming and real-time trace via Arm CoreSight. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Subsystem | Two opamps, four comparators, and two SC/CT blocks allow on-chip PGA, TIA, mixer, and sample-and-hold - eliminates discrete signal-conditioning components. |
| CapSense® Integration | Support for up to 62 self- or mutual-capacitance sensors with hardware-accelerated scanning - enables touch buttons, sliders, and proximity detection without external ICs. |
| Universal Digital Blocks (UDB) | 24 UDBs implement custom logic (e.g., PRS, CRC, quadrature decoder, gate-level functions) - replaces FPGA or discrete glue logic in compact designs. |
| Flexible Clocking | Internal PLL, IMO (3–74 MHz), ILO (1/33/100 kHz), and 32.768 kHz RTC oscillator - provides precise timing for real-time control, low-power wake-up, and timekeeping. |
| Secure Bootloader | On-chip bootloader supports field updates via USB/I2C/SPI/UART with flash protection and signature verification - ensures firmware integrity in deployed systems. |
Applications
| Industrial HMI Panels | Portable Medical Sensors |
|---|---|
|
Use Scenario: Touch-enabled control panels for PLCs and motor drives requiring robust ESD immunity and analog feedback integration. IC Role / Device Role / Timing Role: Central controller managing CapSense® buttons/sliders, analog current/voltage monitoring, and real-time PWM motor control. Use Value: Single-chip integration reduces BOM count by eliminating separate touch controller, ADC, and PWM driver ICs while maintaining <100 µs response latency. |
Use Scenario: Battery-powered wearable ECG or glucose monitors needing ultra-low-power sensing and signal processing. IC Role / Device Role / Timing Role: Signal acquisition hub performing delta-sigma ADC sampling, opamp-based front-end amplification, and encrypted BLE-ready data packaging. Use Value: Hibernate mode at 300 nA extends coin-cell life beyond 3 years; on-chip SAR ADC enables fast diagnostic sampling during wake cycles. |
| Smart Energy Meters | Automotive Body Controllers |
|
Use Scenario: DIN-rail mounted electricity meters requiring metrology-grade analog capture and tamper detection. IC Role / Device Role / Timing Role: Dual ADC subsystem concurrently measures voltage/current waveforms while comparators monitor enclosure intrusion signals. Use Value: Integrated 1.024 V ±1% reference and programmable gain amplifier ensure <0.1% measurement accuracy without external calibration components. |
Use Scenario: Door module controllers managing window lift, mirror fold, and interior lighting with LIN bus communication. IC Role / Device Role / Timing Role: Mixed-signal MCU executing LIN 2.0 protocol stack, driving H-bridge gate drivers, and monitoring hall-effect position sensors. Use Value: UDB-based LIN transceiver logic and configurable PWM outputs eliminate need for dedicated LIN transceivers and motor driver ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable mixed-signal MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F303VCT6 | ARM Cortex-M4F core, 72 MHz, 256 KB flash, but lacks integrated CapSense® and UDB-style digital reconfigurability; analog peripherals limited to single 12-bit ADC and no delta-sigma option. | Better suited for math-intensive control (e.g., motor FOC) but requires external touch controller and signal-conditioning ICs for CapSense® or precision analog sensing. | Select when floating-point computation or DSP extensions are prioritized over analog/digital configurability and ultra-low-power hibernate. |
| MAX32660 | ARM Cortex-M4, 96 MHz, 256 KB flash, ultra-low-power (1.6 µA/MHz active), integrated AES crypto, but only one 12-bit SAR ADC and no programmable analog blocks or CapSense®. | Optimized for secure, battery-constrained wearables; lacks on-chip analog flexibility for multi-sensor signal conditioning or touch HMI. | Select when cryptographic security and sub-µA sleep dominate requirements, and analog functionality is limited to basic sensor readout. |
Compared with STM32F303VCT6 and MAX32660, the CY8C5488AXI-LP120 uniquely combines reconfigurable analog/digital logic, dual ADC architecture, and industry-leading hibernate power - making it optimal for cost-sensitive, mixed-signal edge devices where component count and power budget are critical.
Availability
CY8C5488AXI-LP120 is available at Aetrix Electronics and suitable for industrial HMI panels, portable medical sensors, and smart energy meters requiring stable component supply, long-term lifecycle support, and consistent parametric performance across temperature and voltage ranges.
Supply support for CY8C5488AXI-LP120 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive, industrial, and IoT solutions with emphasis on reliability, efficiency, and security.
The CY8C5488AXI-LP120 belongs to the PSoC® 5LP family - designed specifically for highly integrated, low-power embedded control applications demanding both analog precision and digital flexibility in a single chip.
FAQ
Does CY8C5488AXI-LP120 support USB device enumeration without an external crystal?
Yes. The device integrates a factory-trimmed internal oscillator qualified for USB 2.0 Full-Speed (12 Mbps) operation per USB-IF TID#10840032, enabling plug-and-play USB connectivity without requiring an external 12 MHz crystal - reducing BOM cost and board space.
What is the maximum number of CapSense® sensors supported, and how is noise immunity achieved?
The CY8C5488AXI-LP120 supports up to 62 self-capacitance or mutual-capacitance sensors using dedicated hardware scan engines. Noise immunity is achieved through spread-spectrum dithering, shield-driven electrodes, and automatic baseline tracking - all implemented in hardware without CPU intervention.
Can the 24 Universal Digital Blocks (UDBs) be used to implement a custom communication protocol like DALI or DMX512?
Yes. Each UDB contains PAL/PLD logic and a state machine engine; PSoC Creator™ provides pre-built components for UART, SPI, I2C, and LIN, and users can synthesize custom protocols using Verilog or graphical design entry - confirmed in AN81623 for digital design best practices.
Is the 300 nA hibernate mode achievable with full 64 KB RAM retention and wake-on-pin capability?
Yes. Hibernate mode retains full SRAM content (up to 64 KB), maintains register states, and supports wake events from GPIO, RTC alarm, or comparator output - verified in Section 6.2 (Power System) of the datasheet Rev. *N, with typical current measured at 300 nA at 25 °C.
CY8C5488AXI-LP120 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- PSOC™ 5 CY8C54LP
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M3
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- I2C, LINbus, SPI, UART/USART, USB
- Peripherals:
- CapSense, DMA, LCD, POR, PWM, WDT
- Number of I/O:
- 62
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 2K x 8
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 1x12b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C5488AXI-LP120 FAQ
1.How can I place an order for CY8C5488AXI-LP120 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C5488AXI-LP120 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY8C5488AXI-LP120 reliable?
The price and inventory of CY8C5488AXI-LP120 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C5488AXI-LP120 is usually 5 days.
3.What payment methods are accepted for CY8C5488AXI-LP120?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C5488AXI-LP120 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C5488AXI-LP120?
CY8C5488AXI-LP120 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C5488AXI-LP120 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY8C5488AXI-LP120?
For technical support, including CY8C5488AXI-LP120 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C5488AXI-LP120 requirements.
6.How does Aetrix verify that CY8C5488AXI-LP120 is sourced from the original manufacturer or authorized distributors?
All CY8C5488AXI-LP120 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8C5488AXI-LP120 meets industry standards.
7.What is the process for return or replacement of CY8C5488AXI-LP120?
All CY8C5488AXI-LP120 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C5488AXI-LP120, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY8C5488AXI-LP120 part is unused and in its original packaging.
Return procedure for CY8C5488AXI-LP120:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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