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NXP Semiconductors FS32K148UAT0VMHT
- Part No.:
- FS32K148UAT0VMHT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 100-LFBGA
- Datasheet:
-
FS32K148UAT0VMHT.pdf
- Description:
- IC MCU 32BIT 2MB FLASH 100MAPBGA
- Quantity:
- Payment:
- Shipping:
Inventory:3,559
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Product details
Overview
FS32K148UAT0VMHT from NXP Semiconductors is an automotive-grade 32-bit Arm® Cortex-M4F microcontroller with 2 MB program flash, 256 KB SRAM (both with ECC), and dual-core safety support up to ASIL-B. It operates at 112 MHz in HSRUN mode or 80 MHz in RUN mode across -40 °C to +125 °C ambient, featuring FlexCAN with CAN-FD, Ethernet MAC (10/100 Mbps), and cryptographic services (CSEc) for secure boot and key management - deployed in vehicle body control modules requiring functional safety and secure firmware updates.
For engineers reviewing the FS32K148UAT0VMHT datasheet, FS32K148UAT0VMHT pinout, FS32K148UAT0VMHT application, or FS32K148UAT0VMHT equivalent, this page delivers verified technical context, package-specific pin mapping, real-world use cases in automotive ECU design, and validated alternative parts with documented functional and thermal trade-offs.
Technical Context
The FS32K148UAT0VMHT implements a dual-core safety architecture with Arm Cortex-M4F as primary execution core and optional M0+ for lockstep or independent safety monitoring. Its clock system integrates SPLL (up to 112 MHz), FIRC (48 MHz), and LPO (128 kHz), enabling dynamic power mode transitions between HSRUN, RUN, STOP, VLPR, and VLPS - with CSEc and EEPROM operations restricted to RUN mode (80 MHz) per hardware safety constraint.
Memory subsystem includes 2 MB ECC-protected flash with QuadSPI/HyperBus™ interface, 64 KB FlexNVM for EEPROM emulation, and 4 KB FlexRAM configurable as SRAM or EEPROM backup. Peripheral set supports concurrent high-integrity communication via three FlexCAN modules (all with CAN-FD), two LPI2C, three LPSPI, three LPUART/LIN, and IEEE-1588 Ethernet - all DMA-capable and accessible through AXBS-Lite crossbar switch.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | Arm Cortex-M4F with DSP and single-precision FPU; enables real-time motor control and sensor fusion algorithms. |
| Max Clock Frequency | 112 MHz in HSRUN mode (performance-critical tasks); 80 MHz in RUN mode (required for CSEc/EEPROM access). |
| Flash / SRAM | 2 MB program flash + 256 KB SRAM, both with ECC - ensures data integrity in automotive safety-critical applications. |
| Operating Temperature | -40 °C to +125 °C ambient (M-grade); junction limit 135 °C in RUN mode - qualified for under-hood ECU deployment. |
| Supply Voltage | 2.7 V to 5.5 V; supports direct connection to 3.3 V or 5 V automotive rails without external regulators. |
| FlexCAN Channels | 3 × CAN-FD modules (ISO 11898-1 compliant); enables multi-bus vehicle networking with payload rates up to 5 Mbps. |
| Ethernet Interface | 10/100 Mbps IEEE-1588 MAC with timestamping - supports OTA update gateways and time-synchronized diagnostics. |
| Cryptographic Engine | CSEc (Secure Hardware Extension) with AES-128/256, SHA-256, RNG, and secure key storage - meets UNECE R155 compliance requirements. |
Pinout & Package
FS32K148UAT0VMHT is housed in a 100-pin LQFP (14 × 14 mm, 0.5 mm pitch) package, pin-compatible with other S32K14x devices in the same footprint. This package supports full peripheral routing including all three FlexCAN interfaces, Ethernet RMII signals, and dual ADC inputs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VREFH | Analog & digital supply inputs | Must be decoupled locally; VDDA and VDD shorted on PCB per AN5032 - critical for ADC accuracy and noise immunity. |
| PTA0–PTA31, PTB0–PTB31, PTC0–PTC31, PTD0–PTD15 | GPIO bank terminals | 156 total GPIOs with interrupt capability; multiplexed to FlexCAN, LPUART, LPSPI, etc. - enables flexible I/O assignment in ECU layout. |
| CAN0_TX / CAN0_RX | FlexCAN Channel 0 differential pair | Requires external 120 Ω termination and common-mode choke - supports CAN-FD bit rates up to 5 Mbps in data phase. |
| ENET0_RXD0–ENET0_TXD3, ENET0_REF_CLK | Ethernet MAC physical layer interface | RMII-compliant; requires 50 Ω impedance-controlled traces and 50 MHz reference clock - enables lightweight OTA gateway implementation. |
| JTAG_TMS / JTAG_TCK / SWD_DIO / SWD_CLK | Debug interface pins | Supports Serial Wire Debug (SWD) and JTAG; allows non-intrusive debugging, flash programming, and trace via NXP S32DS or Lauterbach tools. |
Key Features
| Feature | Design Value |
|---|---|
| ASIL-B Ready Architecture | System MPU enforces memory protection at crossbar level; WDOG/EWM dual-watchdog supervision satisfies ISO 26262 diagnostic coverage targets. |
| Functional Safety Peripherals | LPIT (4-channel low-power timer), PDB (programmable delay block), and CRC module provide timing redundancy and data integrity checks for safety routines. |
| Secure Boot & Key Management | CSEc executes authenticated boot from flash and manages encrypted keys in protected memory - prevents unauthorized firmware modification. |
| Flexible Power Management | Five power modes (HSRUN/RUN/STOP/VLPR/VLPS) with clock gating per peripheral - reduces active current to <100 µA in VLPS while retaining RAM retention. |
| ADC Performance | Two 12-bit SAR ADCs (1 Msps each, 32-channel total) with hardware trigger synchronization - supports simultaneous sampling of motor phase currents and temperature sensors. |
| FlexIO Programmability | Configurable logic blocks emulate UART, SPI, I2C, LIN, PWM, or custom protocols - replaces discrete glue logic in legacy ECU designs. |
Applications
| Body Control Module (BCM) | Advanced Driver Assistance Systems (ADAS) Gateway |
|---|---|
Use Scenario: Centralized control of lighting, door locks, window lifts, and HVAC actuators in modern vehicles. IC Role / Device Role / Timing Role: Primary MCU executing ASW-compliant application software with real-time scheduling and CAN-FD communication to sub-nodes. Use Value: 156 GPIOs enable direct drive of relays and LEDs; CSEc secures over-the-air configuration updates against replay attacks. |
Use Scenario: Aggregation and translation of sensor data (radar, camera, ultrasonic) across multiple CAN-FD and Ethernet domains. IC Role / Device Role / Timing Role: High-bandwidth gateway processor managing time-synchronized message routing using IEEE-1588 timestamps. Use Value: Dual 12-bit ADCs monitor power rail health; FlexCAN + Ethernet coexistence supports deterministic latency under 100 µs for safety-critical paths. |
| Electric Power Steering (EPS) ECU | Vehicle-to-Everything (V2X) Communication Unit |
Use Scenario: Real-time torque assist calculation and motor phase control in steer-by-wire systems. IC Role / Device Role / Timing Role: Safety-certified controller running lockstep M4F/M0+ cores with periodic self-test and fault injection validation. Use Value: 112 MHz HSRUN mode delivers >140 DMIPS for PID loop execution; ECC memory prevents silent corruption in motor control code. |
Use Scenario: DSRC or C-V2X protocol stack execution with secure certificate handling and low-latency packet forwarding. IC Role / Device Role / Timing Role: Secure communications processor interfacing with radio ICs via SPI/LPSPI while maintaining TLS handshake integrity. Use Value: CSEc accelerates ECDSA signature generation; 100-pin LQFP provides dedicated pins for RF antenna switching and PA bias control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| S32K146UAT0VLHT | Same 100-pin LQFP package, but 1 MB flash, 192 KB SRAM, and no Ethernet MAC or SAI modules. | Lacks IEEE-1588 Ethernet and serial audio - suitable for cost-sensitive BCMs without OTA gateway requirements. | Select when Ethernet connectivity and large code footprint are unnecessary; retains identical pinout and CSEc security features. |
| S32K148UAT0VLHT | Identical feature set and 100-pin LQFP, but rated for -40 °C to +105 °C (V-grade) instead of +125 °C (M-grade). | Not qualified for under-hood deployment above 105 °C ambient - limited to cabin-mounted ECUs like infotainment or HVAC controllers. | Choose for interior applications where thermal derating is acceptable; offers same performance and peripherals at lower qualification cost. |
Compared with FS32K148UAT0VMHT, S32K146UAT0VLHT reduces memory and removes Ethernet to lower BOM cost, while S32K148UAT0VLHT maintains full functionality but sacrifices high-temperature operation - enabling tiered sourcing based on thermal and feature requirements.
Availability
FS32K148UAT0VMHT is available at Aetrix Electronics and suitable for automotive body control modules, ADAS gateways, electric power steering ECUs, and V2X communication units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for FS32K148UAT0VMHT 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 silicon.
The S32K1xx family - including FS32K148UAT0VMHT - was designed specifically for automotive electronic control units requiring ASIL-B compliance, secure firmware updates, and mixed-signal integration in harsh environments.
FAQ
What is the maximum operating temperature for FS32K148UAT0VMHT?
FS32K148UAT0VMHT is rated for -40 °C to +125 °C ambient temperature (M-grade), with a maximum junction temperature of 135 °C in RUN mode. This rating qualifies it for under-hood automotive applications where thermal stress exceeds standard industrial limits. The device automatically throttles to 80 MHz in RUN mode at elevated temperatures to maintain reliability, and its thermal characteristics are validated per JEDEC JESD51 standards.
Does FS32K148UAT0VMHT support CAN-FD, and how many channels are available?
Yes, FS32K148UAT0VMHT integrates three fully independent FlexCAN modules, each supporting CAN-FD (ISO 11898-1) with bit rates up to 5 Mbps in the data phase. All three channels are accessible in the 100-pin LQFP package, with dedicated TX/RX pins routed to separate CAN transceivers - enabling multi-bus architectures such as powertrain + chassis + infotainment domain separation.
Can FS32K148UAT0VMHT execute CSEc cryptographic operations at full speed?
No - FS32K148UAT0VMHT requires switching from HSRUN mode (112 MHz) to RUN mode (80 MHz) before executing CSEc security functions or FlexNVM EEPROM writes/erases. This is a hardware-enforced safety constraint to prevent timing violations and ensure deterministic behavior during cryptographic processing. The transition is managed via PMC registers and supported by NXP's S32 SDK APIs.
What debug interfaces does FS32K148UAT0VMHT support?
FS32K148UAT0VMHT supports Serial Wire Debug (SWD) and JTAG via dedicated pins (SWD_DIO, SWD_CLK, TMS, TCK, TDO, TDI), with full trace capability including ITM, DWT, and TPIU. It is compatible with NXP S32 Design Studio, IAR Embedded Workbench, and Lauterbach TRACE32 tools - enabling real-time instruction tracing, memory watchpoints, and non-intrusive firmware analysis during development and validation.
Is FS32K148UAT0VMHT pin-compatible with other S32K14x devices in the same package?
Yes - all S32K14x devices in the 100-pin LQFP package, including FS32K142, FS32K144, FS32K146, and FS32K148 variants, are fully pin-to-pin compatible. This allows hardware reuse across product tiers; for example, FS32K146UAT0VLHT can be substituted on the same PCB if Ethernet and full 2 MB flash are not required, simplifying design scalability and inventory management.
FS32K148UAT0VMHT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 100-LFBGA
- Series:
- S32K
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4F
- Core Size:
- 32-Bit Single-Core
- Speed:
- 112MHz
- Connectivity:
- CANbus, Ethernet, FlexIO, I2C, LINbus, SPI, UART/USART
- Peripherals:
- I2S, POR, PWM, WDT
- Number of I/O:
- 89
- 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:
FS32K148UAT0VMHT FAQ
1.How can I place an order for FS32K148UAT0VMHT through Aetrix?
Please submit a Request for Quotation (RFQ) for FS32K148UAT0VMHT 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 FS32K148UAT0VMHT reliable?
The price and inventory of FS32K148UAT0VMHT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FS32K148UAT0VMHT is usually 5 days.
3.What payment methods are accepted for FS32K148UAT0VMHT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FS32K148UAT0VMHT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FS32K148UAT0VMHT?
FS32K148UAT0VMHT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FS32K148UAT0VMHT 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 FS32K148UAT0VMHT?
For technical support, including FS32K148UAT0VMHT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FS32K148UAT0VMHT requirements.
6.How does Aetrix verify that FS32K148UAT0VMHT is sourced from the original manufacturer or authorized distributors?
All FS32K148UAT0VMHT 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 FS32K148UAT0VMHT meets industry standards.
7.What is the process for return or replacement of FS32K148UAT0VMHT?
All FS32K148UAT0VMHT units undergo pre-shipment inspection (PSI). If there is an issue with FS32K148UAT0VMHT, 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 FS32K148UAT0VMHT part is unused and in its original packaging.
Return procedure for FS32K148UAT0VMHT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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