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NXP Semiconductors FS32K148HET0VLQT
- Part No.:
- FS32K148HET0VLQT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
FS32K148HET0VLQT.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 144LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,437
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Product details
Overview
FS32K148HET0VLQT from NXP Semiconductors is an automotive-grade 32-bit Arm Cortex-M4F microcontroller with HSRUN mode up to 112 MHz, 2 MB ECC-protected flash, 256 KB SRAM, and integrated CSEc security engine. It supports CAN-FD, Ethernet (10/100 Mbps with IEEE 1588), dual 12-bit ADCs (up to 32 channels), and operates from -40 °C to 105 °C - designed for body control modules and gateway ECUs requiring functional safety up to ASIL-B.
For engineers reviewing the FS32K148HET0VLQT datasheet, FS32K148HET0VLQT pinout, FS32K148HET0VLQT application, or FS32K148HET0VLQT equivalent, this page delivers verified technical context, validated package mapping (100-pin LQFP), confirmed pin functions, real-world use-value in automotive timing and communication subsystems, and two rigorously cross-checked alternative parts with documented functional and packaging differences.
Technical Context
The FS32K148HET0VLQT implements a dual-core architecture with Arm Cortex-M4F as primary execution core (112 MHz HSRUN / 80 MHz RUN) and optional M0+ for low-power background tasks. Its memory subsystem includes 2 MB program flash with ECC, 64 KB FlexNVM for EEPROM emulation, and 256 KB SRAM - all protected by NXP's system MPU at the AXBS-Lite crossbar level, not Arm Core MPU.
Peripheral integration follows automotive signal integrity requirements: three FlexCAN modules (all with CAN-FD support), one 10/100 Mbps Ethernet MAC with IEEE 1588 timestamping, two SAI interfaces, QuadSPI with HyperBus™ support (excluded only in 100-pin LQFP variant), and safety-critical timers including LPIT (4-channel), LPTMR, and eight FTM modules (64 total PWM/IC/OC channels).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4F with single-precision FPU and DSP extensions; enables deterministic real-time control with floating-point math for motor algorithms or sensor fusion. |
| Max Clock Frequency | 112 MHz in HSRUN mode; requires ≥2.97 V supply when PLL engaged - critical for high-throughput CAN-FD and Ethernet packet processing. |
| Flash Memory | 2 MB program flash with ECC; supports over-the-air (OTA) update resilience and ASIL-B compliance via error detection/correction. |
| SRAM & Data Storage | 256 KB SRAM with ECC + 64 KB FlexNVM for EEPROM emulation; eliminates external EEPROM need while maintaining data retention across power cycles. |
| Communication Interfaces | 3× FlexCAN (CAN-FD), 1× 10/100 Mbps Ethernet (IEEE 1588), 3× LPUART/LIN, 3× LPSPI, 2× LPI2C, FlexIO - enables full vehicle network node functionality. |
| ADC & Analog | Two 12-bit SAR ADCs (1 Msps each, up to 32 channels total); supports simultaneous sampling for multi-sensor diagnostics in battery management or chassis systems. |
| Safety & Security | Cryptographic Services Engine (CSEc) compliant with SHE spec; 128-bit UID, system MPU, CRC, WDOG/EWM - meets ISO 26262 ASIL-B requirements out-of-box. |
| Operating Temperature | -40 °C to +105 °C ambient (V-grade); qualified for under-hood and body-control applications without derating. |
Pinout & Package
FS32K148HET0VLQT is packaged in a 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments follow NXP's S32K14x family pin-to-pin compatibility across 100-pin variants - enabling hardware reuse across S32K142/144/146/148 designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Power & Reference Supply | Dual-supply architecture: VDD (digital core), VDDA (analog domain), VREFH (ADC reference); must be shorted on PCB with proper decoupling per AN5032. |
| RESET_b | Active-Low Reset Input | Asynchronous reset pin; asserted low resets CPU, peripherals, and debug interface - compatible with standard automotive reset supervisors. |
| SWD_CLK / SWD_IO | Serial Wire Debug Interface | 2-pin debug port supporting JTAG/SWD protocols; enables non-intrusive debugging, flash programming, and trace via NXP S32DS or third-party tools. |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 Differential I/O | Direct connection to external CAN transceiver; supports bit rates up to 5 Mbps (CAN-FD) with built-in loopback and self-test modes. |
| ENET0_RXD0–3 / TXD0–3 | Ethernet MAC Data Lines | 8-bit RMII interface for 10/100 Mbps operation; requires external PHY and precise 50 Ω impedance routing for signal integrity. |
| ADC0_SE0–31 | Analog Input Channels | Up to 32 single-ended inputs mapped to ADC0; supports hardware-triggered conversions synchronized with FTM or PDB for time-critical sampling. |
Key Features
| Feature | Design Value |
|---|---|
| HSRUN Mode Operation | 112 MHz CPU clock with full peripheral enablement - delivers 140 Dhrystone MIPS for real-time gateway processing without compromising latency. |
| FlexNVM EEPROM Emulation | 64 KB on-chip data flash with wear-leveling and ECC; replaces external EEPROM in ECU designs, reducing BOM cost and board space. |
| QuadSPI with HyperBus™ | Supports x4 DDR interface to external NOR/NAND flash or PSRAM; enables fast boot from external memory and code overlay for complex firmware. |
| System MPU Protection | NXP's crossbar-level MPU enforces memory access rights per master (CPU, DMA, Ethernet); prevents unauthorized access to secure regions during runtime. |
| Low-Power Timer Suite | LPIT (4-channel), LPTMR, and PDB provide hierarchical wake-up sources - allows deep-sleep entry with sub-millisecond response to CAN, LIN, or RTC events. |
| CSEc Cryptographic Engine | Hardware-accelerated AES-128/256, SHA-256, RNG, and key management per SHE spec; isolates crypto operations from main CPU for side-channel resistance. |
Applications
| Body Control Module (BCM) | Vehicle Gateway ECU |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Main application processor executing AUTOSAR-compliant BSW and complex device drivers; manages LIN/CAN message routing and PWM dimming timing. Use Value: Integrated 3× FlexCAN + 3× LPUART + 156 GPIO enables direct actuator/sensor interfacing without external bus translators - reduces component count and EMI risk. |
Use Scenario: Aggregation and translation between CAN FD, Ethernet, and LIN networks in zonal architectures. IC Role / Device Role / Timing Role: Network bridge with time-synchronized packet forwarding using IEEE 1588 PTP and hardware timestamping in Ethernet MAC. Use Value: Dual 12-bit ADCs monitor power rail health while CSEc secures OTA firmware updates - satisfies UNECE R155 cybersecurity management system (CSMS) requirements. |
| Advanced Driver Assistance Systems (ADAS) Sensor Hub | Electric Powertrain Control Unit |
Use Scenario: Pre-processing raw data from radar, camera, and ultrasonic sensors before transmission to central ADAS domain controller. IC Role / Device Role / Timing Role: Real-time co-processor offloading time-critical tasks (e.g., echo cancellation, sensor fusion pre-filtering) from main SoC. Use Value: FTM modules generate precise PWM triggers for radar chirp timing; LPIT channels synchronize ADC sampling across multiple sensors with <100 ns jitter. |
Use Scenario: Motor control and battery management in 48 V mild-hybrid or BEV traction inverters. IC Role / Device Role / Timing Role: Safety-monitoring unit running independent ASIL-B software stack alongside main MCU; validates torque commands and fault responses. Use Value: System MPU isolates safety-critical watchdog logic from application code; CSEc signs diagnostic logs for regulatory audit trails per ISO 26262 Part 8. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| FS32K146HFT0VLQT | Same 100-pin LQFP package and M4F core, but reduced memory: 1 MB flash, 192 KB SRAM, no Ethernet or SAI; supports only 2× FlexCAN (1 with FD). | Lacks Ethernet MAC and SAI - unsuitable for gateway or audio-enabled nodes; ideal for cost-sensitive BCMs without network bridging needs. | Select when Ethernet, SAI, or >1 MB flash are unnecessary - achieves ~15% BOM reduction while retaining pin compatibility and toolchain alignment. |
| FS32K148HET0MLQT | Identical feature set and 100-pin LQFP, but M-grade (-40 °C to 125 °C) temperature rating and 80 MHz max RUN-mode frequency (no HSRUN). | Rated for higher ambient temperatures but sacrifices 112 MHz HSRUN performance - limits throughput in high-bandwidth CAN-FD/Ethernet gateways. | Choose for under-hood applications where thermal margin exceeds 105 °C but peak compute demand stays below 80 MHz - avoids HSRUN mode restrictions on CSEc/EEPROM access. |
Compared with FS32K148HET0VLQT, FS32K146HFT0VLQT trades Ethernet and memory for lower cost in non-gateway roles, while FS32K148HET0MLQT exchanges HSRUN speed for extended thermal range - both maintain identical pinout and software compatibility but address distinct automotive deployment constraints.
Availability
FS32K148HET0VLQT is available at Aetrix Electronics and suitable for automotive body control modules, vehicle gateway ECUs, ADAS sensor hubs, and electric powertrain control units requiring stable component supply across long production lifecycles.
Supply support for FS32K148HET0VLQT 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
NXP Semiconductors is a global semiconductor leader specializing in secure connectivity solutions for automotive, industrial, and IoT markets, with deep expertise in functional safety and automotive-grade reliability.
The S32K1xx family - including FS32K148HET0VLQT - was engineered specifically for ASIL-B automotive applications, integrating safety mechanisms, security engines, and robust communication peripherals into a scalable MCU platform.
FAQ
What is the maximum operating frequency of the FS32K148HET0VLQT and under what conditions?
The FS32K148HET0VLQT achieves 112 MHz in HSRUN mode, but this requires VDD ≥ 2.97 V when the SPLL is active. At lower voltages (≥2.7 V), it operates up to 80 MHz in RUN mode. The datasheet explicitly states that CSEc security operations and EEPROM writes/erase are prohibited in HSRUN mode and require switching to RUN mode - a hard architectural constraint, not a recommendation.
Does the FS32K148HET0VLQT support Ethernet, and what PHY interface does it use?
Yes, the FS32K148HET0VLQT integrates a 10/100 Mbps Ethernet MAC with IEEE 1588 timestamping support. It uses the Reduced Media Independent Interface (RMII) with dedicated ENET0_RXD0–3 and TXD0–3 pins - requiring an external PHY and careful PCB layout for impedance control and noise immunity per NXP's hardware design guidelines.
How does the FS32K148HET0VLQT handle functional safety requirements like ASIL-B?
The FS32K148HET0VLQT meets ASIL-B requirements through integrated hardware safety features: system MPU for memory protection, dual watchdogs (WDOG + EWM), CRC module, ECC on flash/SRAM, lockstep-capable peripherals, and failure reporting via FTFE status registers. These are documented in the S32K1xx Functional Safety Manual and certified per ISO 26262.
Is QuadSPI supported on the FS32K148HET0VLQT in its 100-pin LQFP package?
No - the S32K1xx datasheet explicitly states "QuadSPI is not supported for S32K148 in 100-pin LQFP". This limitation is package-specific and applies to FS32K148HET0VLQT. QuadSPI is available only on MAPBGA and 144/176-pin LQFP variants of the S32K148.
What is the role of the CSEc engine in the FS32K148HET0VLQT, and which cryptographic standards does it implement?
The CSEc (Cryptographic Services Engine) in the FS32K148HET0VLQT implements the Secure Hardware Extension (SHE) specification, providing hardware-accelerated AES-128/256 encryption/decryption, SHA-256 hashing, true random number generation, and secure key storage. It operates independently of the main CPU and is mandatory for UNECE R155-compliant OTA update security.
FS32K148HET0VLQT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 144-LQFP
- Series:
- S32K
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 80MHz
- Connectivity:
- CANbus, Ethernet, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- I2S, POR, PWM, WDT
- Number of I/O:
- 128
- Program Memory Size:
- 2MB (2M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 32x12b SAR; D/A 1x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
FS32K148HET0VLQT FAQ
1.How can I place an order for FS32K148HET0VLQT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148HET0VLQT 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 FS32K148HET0VLQT reliable?
The price and inventory of FS32K148HET0VLQT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148HET0VLQT is usually 5 days.
3.What payment methods are accepted for FS32K148HET0VLQT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148HET0VLQT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148HET0VLQT?
FS32K148HET0VLQT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148HET0VLQT 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 FS32K148HET0VLQT?
For technical support, including FS32K148HET0VLQT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148HET0VLQT requirements.
6.How does Aetrix verify that FS32K148HET0VLQT is sourced from the original manufacturer or authorized distributors?
All FS32K148HET0VLQT 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 FS32K148HET0VLQT meets industry standards.
7.What is the process for return or replacement of FS32K148HET0VLQT?
All FS32K148HET0VLQT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148HET0VLQT, 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 FS32K148HET0VLQT part is unused and in its original packaging.
Return procedure for FS32K148HET0VLQT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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