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NXP Semiconductors LPC55S14JBD64K
- Part No.:
- LPC55S14JBD64K
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-TQFP Exposed Pad
- Datasheet:
-
LPC55S14JBD64K.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:800
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Product details
Overview
LPC55S14JBD64K from NXP Semiconductors is a 32-bit Arm Cortex-M33 microcontroller with TrustZone security, PRINCE flash encryption, CASPER crypto co-processor, 128 KB on-chip flash, 80 KB SRAM, and CAN FD interface-designed for secure industrial control, IoT edge nodes, and automotive body electronics requiring real-time operation and cryptographic integrity.
For engineers reviewing the LPC55S14JBD64K datasheet, LPC55S14JBD64K pinout, LPC55S14JBD64K application, or LPC55S14JBD64K equivalent, this page delivers verified technical context, package-specific pin mapping, security feature implementation details, and validated alternative options for secure embedded design.
Technical Context
The LPC55S14JBD64K implements Arm TrustZone to isolate secure and non-secure execution environments, with hardware-enforced memory protection via MPU and secure boot using RSA-2048/4096 signatures validated against up to four revocable Root of Trust keys stored in protected flash. Its PRINCE module enables real-time AES-256 encryption/decryption of flash contents during read/write operations.
CASPER accelerates ECC-based asymmetric cryptography (e.g., ECDSA, ECDH), while the PUF generates and reconstructs device-unique 64–4096-bit keys from SRAM fingerprinting. The dual DMA controllers (23+10 channels) support concurrent high-bandwidth transfers across USB HS/FS, CAN FD, and Flexcomm peripherals-including eight configurable serial interfaces with I2S, SPI, I2C, and USART modes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M33 @ up to 150 MHz with FPU, MPU, and TrustZone isolation |
| Memory | 128 KB on-chip flash + 80 KB SRAM (16 KB code bus, 64 KB system bus) |
| Security | PRINCE flash encryption, CASPER crypto co-processor, PUF, SHA2-AES, TRNG, secure boot with RSA-2048/4096 |
| Connectivity | CAN FD, USB 2.0 high-speed/host + full-speed/device, nine Flexcomm interfaces (configurable as USART/SPI/I2C/I2S) |
| Analog | 16-bit 2.0 Msamples/sec ADC (10 SE / 5 diff channels), comparator, integrated temperature sensor |
| Timers | Five 32-bit general-purpose timers, SCTimer/PWM (8 inputs/10 outputs), RTC, MRT, WWDT, Micro-Tick Timer |
| Package | HTQFP64 (10 × 10 × 0.5 mm, 0.5 mm pitch), 36 GPIO pins |
Pinout & Package
HTQFP64 package with exposed thermal pad; 64-pin quad flat profile, 0.5 mm pitch, RoHS-compliant, operating temperature range −40 °C to +105 °C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PIO0_0/ACMP0_A | Analog comparator input A / GPIO | Configurable as comparator A input when ANAMODE=1; supports secure GPIO mode |
| PIO0_5/TDI | JTAG test data input / CAN0_TD | Boot source selection at reset; drives CAN FD transmitter output |
| PIO0_11/SWDIO | Serial Wire Debug I/O | Default debug interface; enabled at reset without external pull-up/down |
| PIO0_12/SWCLK | Serial Wire Debug clock | Primary debug clock input; internal pull-down enabled at reset |
| VDDA | Analog power supply | 1.8–3.6 V analog rail; decoupling required for ADC/comparator accuracy |
| USB_DP / USB_DM | USB 2.0 differential pair | Supports crystal-less full-speed device mode and high-speed host/device operation |
Key Features
| Feature | Design Value |
|---|---|
| TrustZone-enabled secure execution | Hardware-isolated secure/non-secure worlds with configurable memory regions and peripheral access control |
| PRINCE real-time flash encryption | On-the-fly AES-256 encryption/decryption of flash reads/writes without software overhead or latency penalty |
| CASPER crypto acceleration | Hardware acceleration for ECC scalar multiplication, enabling fast ECDSA signature generation and key exchange |
| Flexcomm serial interface flexibility | Nine software-configurable peripherals supporting simultaneous USART, SPI, I2C, and I2S with shared FIFO and fractional baud-rate generator |
| Secure boot with anti-rollback | Root-of-trust validation using x.509 certificates and image revocation via serial number field in certificate |
Applications
| Industrial PLC Edge Node | Secure Automotive Body Controller |
|---|---|
Use Scenario: Real-time I/O monitoring and CAN FD communication in distributed control cabinets with firmware update over secure OTA channel. IC Role / Device Role / Timing Role: Main application processor executing deterministic control loops, managing encrypted firmware updates, and enforcing secure CAN FD message filtering. Use Value: PRINCE and secure boot prevent unauthorized firmware modification; CASPER accelerates OTA signature verification; 150 MHz Cortex-M33 ensures sub-millisecond loop timing. |
Use Scenario: Central gateway managing door locks, lighting, and HVAC via CAN FD, with cryptographic authentication of ECU firmware images. IC Role / Device Role / Timing Role: Secure domain controller performing root-of-trust validation, PUF-based key derivation, and time-critical CAN FD arbitration. Use Value: PUF-generated keys eliminate key storage vulnerability; TrustZone isolates secure boot loader from application code; 36 GPIOs support direct sensor/actuator interfacing. |
| IoT Sensor Hub with Edge AI | Medical Diagnostic Device Interface |
Use Scenario: Multi-sensor aggregation (temperature, ADC, comparator) with local ML inference and encrypted data upload via USB or CAN FD. IC Role / Device Role / Timing Role: Sensor fusion hub running lightweight neural network models, managing secure USB mass storage class for diagnostics, and triggering alarms via SCTimer/PWM. Use Value: 16-bit 2.0 Msamples/sec ADC enables high-fidelity waveform capture; TRNG feeds ML model entropy; USB HS supports rapid dataset transfer. |
Use Scenario: Patient monitor front-end acquiring analog biosignals, performing real-time anomaly detection, and logging encrypted clinical data to USB storage. IC Role / Device Role / Timing Role: Safety-critical signal acquisition controller with CRC-protected ADC sampling, watchdog-verified code flow, and tamper-evident secure logging. Use Value: Code Watchdog detects runtime control-flow hijacking; SHA2-AES engine signs log entries; −40 °C to +105 °C rating supports clinical environment reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar secure microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC55S16JBD64 | 256 KB flash, 96 KB SRAM, same package and peripheral set | Higher memory headroom for complex RTOS or TLS stack integration | Select when firmware size exceeds 128 KB or additional RAM is needed for cryptographic buffers |
| LPC5514JBD64 | No TrustZone, no PUF, no CASPER, no PRINCE; retains CAN FD and USB FS | Cost-optimized variant for non-security-critical industrial control | Choose only if secure boot, flash encryption, and hardware crypto acceleration are not required |
Compared with LPC55S14JBD64K, LPC55S16JBD64 offers scalable memory for advanced security stacks, while LPC5514JBD64 removes all hardware security blocks-making it unsuitable for certified secure deployments but viable for legacy protocol-only use cases.
Availability
LPC55S14JBD64K is available at Aetrix Electronics and suitable for industrial automation, automotive body electronics, and medical device manufacturing requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for LPC55S14JBD64K 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 Arm-based microcontrollers and hardware security IP.
The LPC55S1x series targets secure embedded applications demanding cryptographic acceleration, trusted execution, and robust real-time performance-designed specifically for systems requiring PSA Certified Level 3 or Common Criteria EAL4+ compliance.
FAQ
What is the maximum CPU frequency supported by the LPC55S14JBD64K?
The LPC55S14JBD64K operates at up to 150 MHz using its Arm Cortex-M33 core. This frequency is achievable with PLL0 or PLL1 driven by internal FRO (12 MHz or 96 MHz), external crystal (12–32 MHz), or 32.768 kHz RTC oscillator. The FRO is factory-trimmed to ±1% accuracy over 0 °C to 85 °C for date codes 2044 and later, ensuring stable clocking without external crystal dependency in many designs.
Does the LPC55S14JBD64K support crystal-less USB full-speed device operation?
Yes, the LPC55S14JBD64K supports crystal-less USB 2.0 full-speed device mode using its internal 48 MHz clock derived from the FRO. This capability eliminates the need for an external 48 MHz crystal or oscillator, reducing BOM cost and PCB area-confirmed in NXP Technical Note TN00065 and enabled via software library configuration in the ROM bootloader.
How does the PRINCE module function in the LPC55S14JBD64K?
The PRINCE module in the LPC55S14JBD64K performs real-time AES-256 encryption of data written to flash and decryption of encrypted data read from flash. It operates transparently to software, requires no CPU intervention, and supports multiple encrypted regions. Keys are derived from the PUF or supplied via secure boot, ensuring application code confidentiality and enabling secure over-the-air updates without exposing plaintext firmware.
What security features differentiate the LPC55S14JBD64K from the LPC5514JBD64?
The LPC55S14JBD64K includes TrustZone, PUF, CASPER, PRINCE, and secure boot with RSA-2048/4096 validation-features absent in the LPC5514JBD64. The LPC5514JBD64 lacks hardware-enforced memory isolation, on-the-fly flash encryption, hardware crypto acceleration, and silicon-unique key generation, making it unsuitable for PSA Certified or FIPS-aligned applications where the LPC55S14JBD64K is specified.
Which development tools are officially supported for the LPC55S14JBD64K?
NXP officially supports LPC55S14JBD64K with MCUXpresso IDE, SDK v2.12+, and LPCXpresso55S14 evaluation board (OM13091). Debugging uses SWD via PIO0_11/SWDIO and PIO0_12/SWCLK pins. Secure provisioning tools include MCUBootUtility and NXP Secure Boot Tool v3.0, which generate SB2 files compatible with the ROM bootloader's secure firmware update API.
LPC55S14JBD64K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-TQFP Exposed Pad
- Series:
- LPC55S1x
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M33
- Core Size:
- 32-Bit Single-Core
- Speed:
- 150MHz
- Connectivity:
- CAN FD, Flexcomm, I2C, SPI, UART/USART, USB
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, PWM, RNG, WDT
- Number of I/O:
- 36
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 80K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 3.6V
- Data Converters:
- A/D 10x16b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC55S14JBD64K FAQ
1.How can I place an order for LPC55S14JBD64K through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC55S14JBD64K 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 LPC55S14JBD64K reliable?
The price and inventory of LPC55S14JBD64K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC55S14JBD64K is usually 5 days.
3.What payment methods are accepted for LPC55S14JBD64K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC55S14JBD64K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC55S14JBD64K?
LPC55S14JBD64K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC55S14JBD64K 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 LPC55S14JBD64K?
For technical support, including LPC55S14JBD64K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC55S14JBD64K requirements.
6.How does Aetrix verify that LPC55S14JBD64K is sourced from the original manufacturer or authorized distributors?
All LPC55S14JBD64K 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 LPC55S14JBD64K meets industry standards.
7.What is the process for return or replacement of LPC55S14JBD64K?
All LPC55S14JBD64K units undergo pre-shipment inspection (PSI). If there is an issue with LPC55S14JBD64K, 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 LPC55S14JBD64K part is unused and in its original packaging.
Return procedure for LPC55S14JBD64K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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