Infineon Technologies CY8C4248BZS-L489
- Part No.:
- CY8C4248BZS-L489
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 124-VFBGA
- Datasheet:
-
CY8C4248BZS-L489.pdf
- Description:
- IC MCU 32BIT 256KB FLSH 124VFBGA
- Quantity:
- Payment:

- Shipping:

Inventory:3,068
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY8C4248BZS-L489 from Infineon is a PSoC™ 4200L automotive-grade 32-bit microcontroller based on the Arm® Cortex®-M0 CPU running at 48 MHz, featuring 256 kB flash, 32 kB SRAM, eight 16-bit TCPWM blocks, two CAN interfaces, and USB Full-Speed device capability. It integrates programmable analog (four opamps, two low-power comparators), digital (eight UDBs), capacitive sensing (two CSD blocks), and segment LCD drive (up to 64 outputs) for embedded control in safety-critical automotive subsystems.
For engineers reviewing the CY8C4248BZS-L489 datasheet, CY8C4248BZS-L489 pinout, CY8C4248BZS-L489 application, or CY8C4248BZS-L489 equivalent, key selection criteria include Deep Sleep current (20 nA), CAPSENSE™ SNR (>5:1), CAN bus compliance, USB battery charger detection, and secure debug disable capability for automotive ECU designs.
Technical Context
The CY8C4248BZS-L489 implements a tightly coupled mixed-signal SoC architecture with dual-domain clocking: IMO (internal main oscillator) at 48 MHz for active mode and ILO (internal low-speed oscillator) for Deep Sleep wake-up. Its analog subsystem includes CTBm blocks supporting sigma-delta capacitive sensing with hardware SmartSense tuning and opamp comparator modes routed to any GPIO.
Digital flexibility stems from eight universal digital blocks (UDBs), each with 8 macrocells and an 8-bit data path, enabling user-defined state machines or Verilog-based logic. The four Serial Communication Blocks (SCBs) support runtime reconfiguration between I²C, SPI, and UART protocols, while two independent CAN controllers meet ISO 11898-1 requirements for automotive networking.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0 @ 48 MHz with single-cycle 32-bit multiply and NVIC supporting 32 interrupts |
| Memory | 256 kB flash with read accelerator + 32 kB SRAM + 8 kB ROM for boot and system functions |
| Analog Peripherals | Four rail-to-rail opamps (Deep Sleep capable), two low-power comparators, two CSD blocks with >5:1 SNR |
| Digital Peripherals | Eight 16-bit TCPWM blocks (center/edge/pseudo-random PWM), four SCBs (I²C/SPI/UART), two CAN 2.0B controllers |
| USB Interface | Full-Speed (12 Mbps) device interface with integrated PHY and Battery Charger Detect (BCD) circuitry |
| Power Modes | 20 nA Stop Mode with GPIO wakeup; Deep Sleep with LCD/CAPSENSE™ active; 1.71–5.5 V operation |
| GPIO | Up to 94 programmable pins with configurable drive strength, slew rate, and CAPSENSE™/analog/digital routing |
Pinout & Package
This device uses a 124-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA) package with 0.4 mm pitch, designed for high-density automotive PCB layouts and thermal performance under extended temperature operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing |
| VDDD | Digital core supply | Primary 1.71–5.5 V supply for CPU, memory, and digital peripherals |
| VREF | Analog reference input | External or internal reference source for SAR ADC and opamp biasing |
| XRES | Active-low reset input | Asynchronous hardware reset with glitch filtering; overrides all internal reset sources |
| SWDCK/SWDIO | Serial Wire Debug interface | Two-pin debug interface supporting full programming, trace, and real-time debugging without JTAG overhead |
| USB_DP/USB_DM | USB Full-Speed differential pair | Integrated 1.2 kΩ pull-up on DP enables automatic enumeration; supports BCD detection |
| CAN0_TX/CAN0_RX | First CAN controller transceiver interface | Dedicated differential pins compliant with ISO 11898-1 physical layer timing and voltage thresholds |
| CAN1_TX/CAN1_RX | Second CAN controller transceiver interface | Independent dual-CAN capability enables gateway or redundant network topologies |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Subsystem | Four opamps configurable as buffers, comparators, or transimpedance amplifiers with Deep Sleep operation and pin-flexible routing |
| Capacitive Sensing Engine | Two dedicated CSD blocks with hardware-accelerated SmartSense auto-tuning and water-tolerant electrode design support |
| Secure Debug Control | Debug circuits enabled by default but permanently disableable via firmware; full security requires flash erase to re-enable |
| Segment LCD Driver | Up to 64 common/segment outputs driven directly from GPIOs with 4-bit memory retention in Deep Sleep mode |
| Runtime Reconfigurable SCBs | Four serial blocks independently switchable between I²C, SPI, and UART protocols without reset or firmware reload |
Applications
| Automotive Body Control Module (BCM) | Industrial Human-Machine Interface (HMI) |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and window lifters in 12 V vehicle platforms. IC Role / Device Role / Timing Role: Main MCU executing real-time CAN message handling, CAPSENSE™ touch buttons, and PWM-driven LED dimming. Use Value: Dual CAN controllers enable simultaneous communication with powertrain and infotainment networks; 20 nA Stop Mode extends battery life during vehicle sleep states. | Use Scenario: Operator panel with touch-sensitive controls, segmented LCD display, and fieldbus connectivity in factory automation equipment. IC Role / Device Role / Timing Role: System-on-chip controller managing capacitive touch inputs, LCD refresh, and Modbus RTU over RS-485 via SCB reconfiguration. Use Value: Hardware SmartSense eliminates manual sensor calibration; segment LCD drive reduces external component count and BOM cost. |
| Automotive HVAC Control Unit | Medical Patient Monitor Front-End |
Use Scenario: Climate control system with rotary encoders, thermistor inputs, fan motor PWM, and CAN diagnostics. IC Role / Device Role / Timing Role: Real-time sensor acquisition (SAR ADC), multi-channel PWM generation, and CAN 2.0B messaging for OBD-II compliance. Use Value: Eight TCPWM blocks support simultaneous fan speed control, compressor modulation, and heater element timing with kill-signal triggering for fault safety. | Use Scenario: Portable vital signs monitor requiring low-power operation, touch interface, and analog signal conditioning for ECG/SpO₂ front-end. IC Role / Device Role / Timing Role: Signal acquisition hub with opamp-based instrumentation amplification, CAPSENSE™ for button-free UI, and USB charging detection for battery management. Use Value: Four opamps operate in Deep Sleep with nanoamp bias current, enabling continuous electrode monitoring without waking CPU; USB BCD ensures safe charging from clinical power supplies. |
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 |
|---|---|---|---|
| CY8C4248LQI-BL483 | Same PSoC™ 4200L core but in 80-pin QFN; lacks USB PHY and one CAN controller | Suitable for space-constrained industrial controls where USB and dual CAN are not required | Select when board layout favors QFN and automotive USB/CAN redundancy is unnecessary |
| STM32G474RET6 | Arm® Cortex®-M4F @ 170 MHz; no integrated CAPSENSE™ or programmable analog/digital blocks | Better for math-intensive control loops but requires external components for touch or analog signal chain | Choose when floating-point performance outweighs SoC integration benefits and external analog ICs are acceptable |
Compared with CY8C4248LQI-BL483, the CY8C4248BZS-L489 adds USB Full-Speed and second CAN channel in VFBGA packaging-critical for automotive gateways. Versus STM32G474RET6, it trades raw CPU speed for on-die analog programmability and capacitive sensing hardware, reducing system-level component count and firmware complexity.
Availability
CY8C4248BZS-L489 is available at Aetrix Electronics and suitable for automotive body control modules, industrial HMI panels, HVAC systems, and medical patient monitors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4248BZS-L489 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 AG is a German semiconductor manufacturer specializing in power management, automotive microcontrollers, and security solutions, with global R&D and manufacturing infrastructure.
The PSoC™ 4200L product line targets automotive and industrial applications requiring mixed-signal integration, functional safety readiness, and low-power operation across -40°C to +125°C ambient conditions.
FAQ
What is the maximum operating temperature range for CY8C4248BZS-L489?
The CY8C4248BZS-L489 is qualified for operation from -40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 2 requirements for automotive under-hood and cabin applications. This rating is validated across all electrical specifications including flash endurance, SRAM retention, and analog performance.
Does CY8C4248BZS-L489 support secure boot and flash protection?
Yes-it provides hardware-enforced flash protection with configurable read/write/execute permissions per flash row, plus secure boot via immutable ROM bootloader that validates signature before loading user firmware. Debug access can be permanently disabled to prevent unauthorized code extraction.
Can the USB interface operate without an external crystal?
Yes-the USB Full-Speed PHY uses the internal IMO (Internal Main Oscillator) with ±2% accuracy, eliminating need for external crystal. Battery Charger Detect (BCD) operates independently using dedicated analog circuitry and does not require USB enumeration to function.
How many CAPSENSE™ buttons can be implemented simultaneously?
Up to 64 self-capacitive or mutual-capacitive sensors can be scanned concurrently using the two CSD blocks, with hardware-accelerated SmartSense auto-tuning maintaining >5:1 SNR across temperature and humidity variations without host CPU intervention.
CY8C4248BZS-L489 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 124-VFBGA
- Series:
- PSOC™ 4 CY8C42xx-L
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- CANbus, FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, CapSense, DMA, LCD, LVD, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 98
- Program Memory Size:
- 256KB (256K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x12b SAR; D/A 4x7/8b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4248BZS-L489 FAQ
1.How can I place an order for CY8C4248BZS-L489 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4248BZS-L489 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 CY8C4248BZS-L489 reliable?
The price and inventory of CY8C4248BZS-L489 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4248BZS-L489 is usually 5 days.
3.What payment methods are accepted for CY8C4248BZS-L489?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4248BZS-L489 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4248BZS-L489?
CY8C4248BZS-L489 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4248BZS-L489 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 CY8C4248BZS-L489?
For technical support, including CY8C4248BZS-L489 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4248BZS-L489 requirements.
6.How does Aetrix verify that CY8C4248BZS-L489 is sourced from the original manufacturer or authorized distributors?
All CY8C4248BZS-L489 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 CY8C4248BZS-L489 meets industry standards.
7.What is the process for return or replacement of CY8C4248BZS-L489?
All CY8C4248BZS-L489 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4248BZS-L489, 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 CY8C4248BZS-L489 part is unused and in its original packaging.
Return procedure for CY8C4248BZS-L489:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY8C4248BZS-L489 Tags

-
ATTINY4-TSHR
Microchip Technology

-
ATTINY10-TSHR
Microchip Technology

-
ATTINY10-TS8R
Microchip Technology

-
ATTINY202-SSNR
Microchip Technology

-
ATTINY202-SSFR
Microchip Technology

-
ATTINY402-SSNR
Microchip Technology

-
PIC16F15213T-I/MF
Microchip Technology

-
PIC16F15213-E/MF
Microchip Technology

-
PIC10F200T-I/OT
Microchip Technology

-
ATTINY412-SSNR
Microchip Technology

-
PIC10F202T-I/OT
Microchip Technology

-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…

