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NXP Semiconductors K32L3A60VPJ1AT
- Part No.:
- K32L3A60VPJ1AT
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 176-VFBGA
- Datasheet:
-
K32L3A60VPJ1AT.pdf
- Description:
- IC MCU 32B 1.25MB FLASH 176VFBGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,967
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Product details
Overview
K32L3A60VPJ1AT from NXP Semiconductors is a dual-core Arm® Cortex®-M4F/M0+ microcontroller operating at up to 72 MHz, featuring 1.25 MB flash (1 MB M4F + 256 KB M0+), 384 KB SRAM (256 KB M4F + 128 KB M0+), and ultra-low-power operation for sensor fusion and real-time control in battery-powered industrial edge nodes.
For engineers reviewing the K32L3A60VPJ1AT datasheet, K32L3A60VPJ1AT pinout, K32L3A60VPJ1AT application, or K32L3A60VPJ1AT equivalent, key selection criteria include dual-core asymmetric processing partitioning, CAU3 cryptographic acceleration (AES128/192/256, SHA-256, ECC-P256), LPFLL clock generation (48/72 MHz), 104 GPIOs in VFBGA176, and integrated USB 2.0 FS controller with 2 KB RAM.
Technical Context
The K32L3A60VPJ1AT implements tightly coupled dual-core architecture with independent memory domains: M4F core executes high-performance application code using 1 MB flash and 256 KB SRAM, while M0+ core handles autonomous low-power tasks (e.g., sensor polling, RTC management) using 256 KB flash and 128 KB SRAM. Both cores share AXBS interconnect with multi-domain resource arbitration.
Its power architecture includes buck DC-DC converter (2.1–3.6 V), core voltage bypass (1.14–1.45 V), independent VDDIO1/VDDIO2 rails (1.71–3.6 V), and VBAT domain (1.71–3.6 V) supporting RTC and tamper detection. Clocking integrates LPFLL (48/72 MHz), FIRC (48–60 MHz), SIRC (2/8 MHz), LPO (1 kHz), and RTCOSC (32.768 kHz).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | Dual Arm Cortex-M4F (72 MHz HSRun) + Cortex-M0+ (72 MHz HSRun), each with independent cache and memory domains |
| Memory Configuration | 1.25 MB flash (1 MB M4F + 256 KB M0+) + 384 KB SRAM (256 KB M4F + 128 KB M0+) + 48 KB ROM bootloader |
| Cryptographic Engine | CAU3 hardware accelerator supporting AES128/192/256, DES/3DES, SHA-256, RSA, ECC-P256, Curve25519 |
| Low-Power Clocking | LPFLL with 48 MHz and 72 MHz output ranges; LPO (1 kHz) active in VLLS modes; RTCOSC (32.768 kHz) for calendar timekeeping |
| I/O & Peripherals | 104 GPIOs; 4× LPUART, 4× LPI2C (up to 1 Mbps), 4× LPSPI (up to 24 Mbps), USB 2.0 FS with integrated PHY and 2 KB RAM |
| Package & Environment | 176-pin VFBGA (9 × 9 × 0.86 mm, 0.5 mm pitch); rated for –40 °C to +105 °C industrial temperature range |
Pinout & Package
176-ball Very Thin Fine-Pitch Ball Grid Array (VFBGA) package with 0.5 mm pitch, 9 mm × 9 mm footprint, and 0.86 mm height. Designed for high-density PCB layouts with thermal and signal integrity optimization for ultra-low-power embedded applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDA | Analog Power Supply | 1.71–3.6 V supply for ADC, DAC, comparators, and reference circuitry; requires local decoupling |
| VREFH/VREFL | Analog Reference Inputs | Supports 1.2 V / 2.1 V dual-range internal reference; enables precise 12-bit ADC/DAC operation |
| PTA0–PTA31 | GPIO Port A | 32-bit general-purpose I/O bank with configurable pull-up/down, slew rate, and interrupt capability |
| USB_DP/USB_DM | USB 2.0 Full-Speed Differential Pair | Integrated transceiver pins requiring 27 Ω series termination and 1.5 kΩ pull-up on DP for device enumeration |
| RTC_CLKIN | Real-Time Clock Input | Accepts 32.768 kHz crystal or external clock; enables calendar timekeeping and wake-from-stop functionality |
| VDDIO1/VDDIO2 | Digital I/O Power Rails | Independent 1.71–3.6 V supplies enabling mixed-voltage interface support across GPIO banks |
| VBAT | Backup Power Supply | 1.71–3.6 V rail powering RTC, tamper detection, and 32 B VBAT register file during main power loss |
Key Features
| Feature | Design Value |
|---|---|
| Asymmetric Dual-Core Partitioning | M4F core runs application firmware (e.g., motor control, protocol stacks); M0+ core autonomously manages sensors, RTC, and wake-up events without M4F intervention |
| Hardware Cryptographic Acceleration | CAU3 engine offloads AES/SHA/ECC operations from CPU, reducing latency and power vs. software-only implementations |
| Ultra-Low-Power Wake-Up Capability | AWIC0/AWIC1 controllers enable sub-μA stop-mode wake-up via LPUART, LPI2C address match, LPTMR, RTC, or tamper pins |
| Flexible Clock Domain Isolation | Independent clock gating per peripheral (PCC0/PCC1) allows selective domain shutdown-e.g., disable M4F clocks while M0+ remains active |
| Secure Boot & Flash Protection | ROM bootloader supports encrypted image download; flash protection regions (64 primary + 16 secondary) prevent unauthorized read/write/erase |
Applications
| Industrial Sensor Hub | Secure Edge Gateway |
|---|---|
Use Scenario: Aggregating data from multiple analog/digital sensors (temperature, humidity, vibration) in factory-floor equipment with battery backup. IC Role / Device Role / Timing Role: M0+ core continuously samples LPADC/LPCMP at 1 kHz using LPO clock; M4F core processes fused data and transmits via LPUART/USB only upon threshold breach. Use Value: 2.5 μA VLPS mode current draw extends battery life to >5 years; CAU3 encrypts sensor payloads before transmission. | Use Scenario: Local protocol translation between legacy RS-485 fieldbus and cloud-connected Wi-Fi/Cellular modules in smart building controllers. IC Role / Device Role / Timing Role: M4F core hosts Modbus TCP stack and TLS 1.2; M0+ core monitors physical security (tamper pins) and RTC-backed firmware update scheduling. Use Value: Dual-core isolation prevents network stack crashes from compromising tamper response; EMVSIM module enables secure credential storage. |
| Medical Wearable Monitor | Automotive Body Controller |
Use Scenario: Continuous ECG/PPG monitoring with motion artifact correction and local anomaly detection before cloud upload. IC Role / Device Role / Timing Role: M0+ core acquires raw analog signals via LPADC and LPDAC feedback loops; M4F core runs DSP algorithms (FFT, FIR filters) on 256 KB SRAM-resident buffers. Use Value: 12-bit LPADC with programmable reference achieves <1% THD+N; CAU3 signs diagnostic logs with ECC-P256 for HIPAA compliance. | Use Scenario: Central body electronics module managing door locks, lighting, HVAC, and CAN FD gateway functions in EV platforms. IC Role / Device Role / Timing Role: M4F core executes AUTOSAR-compliant CAN FD stack and PWM lighting control; M0+ core handles LIN slave communication and low-power wake-on-rain-sensor input. Use Value: Independent VDDIO1/VDDIO2 rails isolate 5 V LIN transceivers from 3.3 V CAN FD PHY; FlexIO emulates custom lighting protocols without external ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RA6M5GFP | Arm Cortex-M33 dual-core (200 MHz), 2 MB flash, 1 MB SRAM, no CAU3 but TrustZone; 145-pin LQFP vs. VFBGA176 | Targets higher-security automotive infotainment; lacks LPFLL and ultra-low-power stop modes (<3 μA) | Select RA6M5GFP when functional safety (ASIL-B) and TrustZone-based secure boot are required over battery life. |
| STM32H743VIT6 | Single-core Cortex-M7 (480 MHz), 2 MB flash, 1 MB SRAM, no dedicated low-power core; 100-pin LQFP package | Optimized for high-throughput compute (e.g., AI inference); no hardware AWIC or VBAT domain for RTC/tamper | Choose STM32H743VIT6 for maximum single-thread performance where dual-core power partitioning is unnecessary. |
Compared with RA6M5GFP and STM32H743VIT6, the K32L3A60VPJ1AT uniquely balances asymmetric dual-core efficiency, sub-μA stop-mode operation, and integrated CAU3 cryptography-making it optimal for battery-constrained edge nodes requiring concurrent real-time sensing and secure connectivity.
Availability
K32L3A60VPJ1AT is available at Aetrix Electronics and suitable for industrial sensor hubs, secure edge gateways, medical wearables, and automotive body controllers requiring stable component supply across extended product lifecycles.
Supply support for K32L3A60VPJ1AT 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 over 40 years of microcontroller innovation.
The K32L3A series targets ultra-low-power dual-core applications where deterministic real-time processing (M4F) must coexist with autonomous low-energy operation (M0+), particularly in battery-powered edge intelligence systems.
FAQ
What is the maximum operating frequency of each core in the K32L3A60VPJ1AT?
The K32L3A60VPJ1AT supports up to 72 MHz for both the Arm Cortex-M4F and Cortex-M0+ cores in high-speed run (HSRun) mode. The M4F core uses the LPFLL or FIRC as its clock source, while the M0+ core can derive timing from LPFLL, SIRC, or LPO depending on power mode. This dual-frequency capability enables simultaneous high-performance computation and ultra-low-power background tasks without contention.
Does the K32L3A60VPJ1AT support secure boot and firmware encryption?
Yes, the K32L3A60VPJ1AT includes a ROM-resident bootloader that supports encrypted image download and hardware-based flash security. Its CAU3 cryptographic accelerator enables AES128/192/256, SHA-256, and ECC-P256 operations, while flash protection regions (64 primary + 16 secondary) prevent unauthorized access. These features ensure secure boot and runtime firmware integrity for the K32L3A60VPJ1AT in regulated environments like medical or industrial IoT.
How does the K32L3A60VPJ1AT achieve ultra-low-power operation in stop modes?
The K32L3A60VPJ1AT achieves sub-μA stop-mode current through dedicated hardware: AWIC0/AWIC1 controllers monitor wake sources (LPUART, LPI2C address match, RTC, tamper pins) while cores and most peripherals are powered down. The LPFLL and LPO remain active in VLPS/VLLS modes, and the VBAT domain sustains RTC and 32 B register files. This architecture enables 2.5 μA VLPS mode-critical for battery longevity in the K32L3A60VPJ1AT's target applications.
What peripheral interfaces are available for low-power communication on the K32L3A60VPJ1AT?
The K32L3A60VPJ1AT provides four LPUARTs, four LPI2Cs (supporting up to 1 Mbps), and four LPSPIs (up to 24 Mbps), all designed for operation in low-leakage stop modes. Each interface includes autonomous clock gating, configurable wakeup capability, and dedicated DMA channels (16 for M4F, 8 for M0+). These peripherals allow the K32L3A60VPJ1AT to maintain sensor telemetry and control links without waking the main application core.
Is the K32L3A60VPJ1AT pin-compatible with other members of the K32L3A family?
Yes, the K32L3A60VPJ1AT shares the same 176-ball VFBGA package (9 × 9 mm, 0.5 mm pitch) and pinout with other K32L3A variants including K32L3A60VPJ1AK and K32L3A60VPJ1AM. This enables direct substitution within the same footprint for different flash/SRAM configurations or temperature grades, simplifying design reuse and migration paths for the K32L3A60VPJ1AT across product variants.
K32L3A60VPJ1AT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 176-VFBGA
- Series:
- K32 L3
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4/M0+
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 72MHz
- Connectivity:
- FlexIO, I2C, SAI, SDHC, SPI, UART/USART, USB
- Peripherals:
- AC'97, DMA, I2S, LCD, POR, PWM, WDT
- Number of I/O:
- 104
- Program Memory Size:
- 1.25MB (1.25M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 48K x 8
- RAM Size:
- 384K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 3.6V
- Data Converters:
- -
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
K32L3A60VPJ1AT FAQ
1.How can I place an order for K32L3A60VPJ1AT through Aetrix?
Please submit a Request for Quotation (RFQ) for K32L3A60VPJ1AT 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 K32L3A60VPJ1AT reliable?
The price and inventory of K32L3A60VPJ1AT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for K32L3A60VPJ1AT is usually 5 days.
3.What payment methods are accepted for K32L3A60VPJ1AT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for K32L3A60VPJ1AT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for K32L3A60VPJ1AT?
K32L3A60VPJ1AT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your K32L3A60VPJ1AT 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 K32L3A60VPJ1AT?
For technical support, including K32L3A60VPJ1AT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your K32L3A60VPJ1AT requirements.
6.How does Aetrix verify that K32L3A60VPJ1AT is sourced from the original manufacturer or authorized distributors?
All K32L3A60VPJ1AT 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 K32L3A60VPJ1AT meets industry standards.
7.What is the process for return or replacement of K32L3A60VPJ1AT?
All K32L3A60VPJ1AT units undergo pre-shipment inspection (PSI). If there is an issue with K32L3A60VPJ1AT, 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 K32L3A60VPJ1AT part is unused and in its original packaging.
Return procedure for K32L3A60VPJ1AT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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