Infineon Technologies CY8C4148AZES548XQLA1
- Part No.:
- CY8C4148AZES548XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY8C4148AZES548XQLA1.pdf
- Description:
- IC MCU 32BIT 256KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4148AZES548XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Max microcontroller based on Arm® Cortex®-M0+ CPU, featuring 48 MHz operation, 384 KB flash, 32 KB SRAM, CAN FD up to 5 Mbps, and integrated CAPSENSE™ with SmartSense auto-tuning for capacitive touch interfaces in harsh environments.
For engineers reviewing the CY8C4148AZES548XQLA1 datasheet, CY8C4148AZES548XQLA1 pinout, CY8C4148AZES548XQLA1 application, or CY8C4148AZES548XQLA1 equivalent, this part supports reconfigurable analog/digital blocks, deep-sleep operation at 2.5 µA, hardware cryptography (AES/SHA/TRNG), and five SCBs for flexible I²C/SPI/UART/LIN use in automotive body control and HMI systems.
Technical Context
The device integrates a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 8x TCPWM blocks with quadrature decoding and kill-signal triggering, and dual CTBm opamps supporting ADC input buffering and Deep Sleep operation. Its analog subsystem includes a 12-bit 1-Msps SAR ADC with temperature sensor, two low-power comparators, and MSC-based CAPSENSE™ delivering >5:1 SNR and water tolerance.
Digital flexibility is enabled by five runtime-reconfigurable Serial Communication Blocks (SCBs), CAN FD controller with bit-rate up to 5 Mbps, I2S Master TX, and Smart I/O logic for Boolean operations on GPIOs - all coordinated via NVIC, MPU, and DMA engine supporting 16 channels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables deterministic real-time control with Thumb-2 instruction set and 32-bit data path. |
| Memory | 384 KB flash with Read Accelerator + 32 KB SRAM - supports complex firmware with fast code execution and data buffering. |
| Analog | 12-bit 1-Msps SAR ADC, 2 opamps, 2 LP comparators - allows simultaneous high-speed sensing and low-power wake-up monitoring. |
| Digital Peripherals | 5× SCBs (I²C/SPI/UART/LIN), 8× TCPWM, CAN FD @ 5 Mbps - provides mixed-protocol connectivity and motor-control timing precision. |
| Power | 1.71–5.5 V supply, Deep Sleep current = 2.5 µA - sustains battery-backed operation in always-on automotive modules. |
| Security | Hardware AES/SHA/TRNG/CRC accelerators - offloads cryptographic processing and ensures entropy for secure boot and OTA updates. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and cabin electronics per AEC-Q100 Rev G. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), wettable flank option for automated optical inspection (AOI) and solder joint reliability in automotive production.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO7 | I/O power domains | Eight independent 1.71–5.5 V supplies enable mixed-voltage interfacing and noise isolation across GPIO banks. |
| P0.0–P9.7 | Programmable GPIOs | Up to 84 pins support CAPSENSE™, analog input, digital logic, or LCD segment drive - all with configurable drive strength/slew rate. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Supports 4–33 MHz ECO for precise clocking; PLL locks to generate stable 48 MHz system clock. |
| CAN_TX / CAN_RX | CAN FD physical layer interface | Dedicated differential pair compliant with ISO 11898-1:2015, enabling 5 Mbps data rate with error confinement for safety-critical networks. |
| SWDCLK / SWDIO | ARM Serial Wire Debug interface | Two-pin debug port supporting full JTAG/SWD functionality for in-circuit programming and real-time trace debugging. |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable Analog Blocks (CTBm) | Two opamps operate as programmable gain stages, comparators, or ADC buffers - retain function in Deep Sleep mode for wake-on-event sensing. |
| Multi-Sense Converter (MSC) | Hardware-accelerated CAPSENSE™ with >5:1 SNR and automatic SmartSense tuning - eliminates manual calibration for touch buttons/sliders in humid or contaminated environments. |
| Runtime-Reconfigurable SCBs | Five Serial Communication Blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN Slave - reduces BOM count and PCB footprint in multi-protocol gateways. |
| CAN FD Controller | Native CAN FD block supporting data fields up to 64 bytes and bit rates up to 5 Mbps - meets modern automotive domain controller bandwidth requirements without external transceivers. |
| Hardware Cryptography Engine | AES-128/256, SHA-1/256, TRNG, CRC-32 acceleration - enables secure boot, encrypted firmware updates, and key derivation without CPU overhead. |
Applications
| Automotive Door Module | Infotainment Touch Interface |
|---|---|
Use Scenario: Centralized control of window lift, mirror fold, lock/unlock, and anti-pinch detection using capacitive and analog sensors. IC Role / Device Role / Timing Role: Main MCU executing real-time motor control loops, CAPSENSE™ gesture recognition, and LIN communication to door ECUs. Use Value: Single-chip integration of TCPWM for motor PWM generation, MSC for water-tolerant touch controls, and LIN Slave SCB reduces component count and improves EMC robustness. | Use Scenario: Capacitive touch overlay on center console display with backlight dimming, haptic feedback, and ambient light sensing. IC Role / Device Role / Timing Role: CAPSENSE™ host processor with SAR ADC for ALS input, opamp-based signal conditioning, and I²C interface to display controller. Use Value: SmartSense auto-tuning maintains button responsiveness across temperature/humidity shifts; Deep Sleep mode extends battery life during vehicle sleep states. |
| Body Control Module (BCM) | Electric Power Steering (EPS) Sensor Hub |
Use Scenario: Consolidation of lighting control, HVAC actuation, and diagnostic monitoring in a single under-dash module. IC Role / Device Role / Timing Role: System controller managing CAN FD communication with gateway, PWM-driven LED drivers, and GPIO-based relay control. Use Value: CAN FD at 5 Mbps enables faster diagnostics and software updates; hardware CRC and TRNG support secure UDS communication per ISO 14229. | Use Scenario: Aggregation and preprocessing of torque, angle, and temperature signals from multiple EPS sensors before transmission to main EPS ECU. IC Role / Device Role / Timing Role: Signal acquisition node with 12-bit SAR ADC, opamp front-end, and CAN FD output for time-synchronized sensor fusion. Use Value: Simultaneous sampling across 16 ADC channels with sequencer and averaging reduces jitter; Grade-S temp range ensures reliability near steering column heat sources. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | Arm Cortex-M4F core, 112 MHz, no integrated CAPSENSE™, includes Ethernet MAC but lacks MSC block | Better for high-performance motor control; requires external touch controller for capacitive HMI | Select when floating-point math or Ethernet is required; avoid if CAPSENSE™ integration is critical. |
| Renesas RH850/F1L | 32-bit RXv2 core, 120 MHz, AEC-Q100 Grade-1 (–40°C to +150°C), no hardware crypto accelerator | Targeted at powertrain and safety-critical functions; limited analog reconfigurability | Prefer for ASIL-B systems needing extended temperature range; not suitable for cost-sensitive touch HMI designs. |
Compared with NXP S32K144W and Renesas RH850/F1L, CY8C4148AZES548XQLA1 uniquely combines CAPSENSE™ hardware acceleration, Deep Sleep power efficiency, and CAN FD in a single AEC-Q100 Grade-S package - making it optimal for automotive human-machine interface nodes where integration, power, and touch robustness are prioritized over raw compute throughput.
Availability
CY8C4148AZES548XQLA1 is available at Aetrix Electronics and suitable for automotive door modules, infotainment touch interfaces, body control units, and electric power steering sensor hubs requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for CY8C4148AZES548XQLA1 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 ICs, and security solutions, with global R&D and manufacturing infrastructure serving Tier-1 automotive suppliers and industrial OEMs.
CY8C4148AZES548XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for AEC-Q100-compliant automotive human-machine interface and body electronics applications requiring reconfigurable analog/digital peripherals and robust capacitive sensing.
FAQ
What is the maximum operating frequency and supported voltage range?
The CY8C4148AZES548XQLA1 operates at up to 48 MHz with a supply voltage range of 1.71 V to 5.5 V across all I/O banks. It supports dual power modes: Mode 1 (2.0–5.5 V) and Mode 2 (1.8 V ±5%), enabling compatibility with both legacy 5 V and modern low-voltage automotive subsystems while maintaining full peripheral functionality.
Does this device include hardware support for secure firmware updates?
Yes - the device integrates dedicated hardware accelerators for AES-128/256 encryption/decryption, SHA-256 hashing, true random number generation (TRNG), and CRC-32 calculation. These enable authenticated and encrypted over-the-air (OTA) firmware updates without burdening the Cortex-M0+ core, meeting ISO/SAE 21434 cybersecurity process requirements.
Can the CAPSENSE™ block operate reliably in high-humidity environments?
Yes - the Multi-Sense Converter (MSC) block delivers >5:1 signal-to-noise ratio and built-in water tolerance through hardware-based shield electrode support and automatic SmartSense tuning. This eliminates manual calibration drift caused by condensation or surface contamination, validated per AEC-Q100 Grade-S environmental stress testing protocols.
Is CAN FD functionality implemented in hardware or firmware?
CAN FD is implemented as a fully autonomous hardware block compliant with ISO 11898-1:2015, supporting data rates up to 5 Mbps, payloads up to 64 bytes, and error confinement classes. It operates independently of the CPU core, with dedicated message RAM, filtering, and loopback self-test - eliminating software stack latency and ensuring deterministic timing for safety-critical messaging.
CY8C4148AZES548XQLA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-LQFP
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, LVD, POR, PWM, WDT
- Number of I/O:
- 84
- 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
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4148AZES548XQLA1 FAQ
1.How can I place an order for CY8C4148AZES548XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4148AZES548XQLA1 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 CY8C4148AZES548XQLA1 reliable?
The price and inventory of CY8C4148AZES548XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4148AZES548XQLA1 is usually 5 days.
3.What payment methods are accepted for CY8C4148AZES548XQLA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4148AZES548XQLA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4148AZES548XQLA1?
CY8C4148AZES548XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4148AZES548XQLA1 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 CY8C4148AZES548XQLA1?
For technical support, including CY8C4148AZES548XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4148AZES548XQLA1 requirements.
6.How does Aetrix verify that CY8C4148AZES548XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4148AZES548XQLA1 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 CY8C4148AZES548XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4148AZES548XQLA1?
All CY8C4148AZES548XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4148AZES548XQLA1, 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 CY8C4148AZES548XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4148AZES548XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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