The internal architecture of the NPCT750 is highly segregated to maintain strict security boundaries. Platform Configuration Registers (PCRs)
Master Out Slave In and Master In Slave Out data lines for SPI synchronization.
SPI Serial Clock driven by the host chipset (supports up to 33MHz/50MHz depending on SKU).
Typically available in TSSOP (Thin Shrink Small Outline Package) or QFN (Quad Flat No-lead) packages.
When integrating the NPCT750 into an embedded design or repairing a device where the TPM is "not found," reference these datasheet-derived steps: npct750 datasheet
Where ΘJA (junction-to-ambient thermal resistance) for SOT-223 is approximately 90°C/W on a standard 1oz copper board. Using the above: TJ = 25°C + (3.5 * 90) = 340°C → The IC will thermally shut down.
Managed by the system firmware (BIOS/UEFI) for platform-level security policies. Hardware Tamper Resistance
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By providing a comprehensive understanding of the NPCT750 datasheet, this article aims to facilitate the design and development of innovative solutions using this advanced IC. The internal architecture of the NPCT750 is highly
The is a discrete Trusted Platform Module (TPM) 2.0 IC designed to provide a hardware-based "root of trust" for computing platforms. It is commonly found on 14-1 pin vertical daughtercards used in motherboards from manufacturers like ASUS . Core Specifications
| Parameter | Specification | |:----------|:--------------| | | NPCT75x Series (Trusted Platform Module) | | TPM Version | TCG Family "2.0" Rev1.38 | | Interface | SPI (Serial Peripheral Interface) | | Pin Configuration | 14-1 pin (14 pins with one key pin for correct orientation) | | Package Size | 16mm (L) × 13mm (W) | | Part Number Example | NPCT750AAAYX | | Manufacturer | Nuvoton Technology Corporation (formerly Winbond affiliate) | | RoHS Status | RoHS Compliant | | CE Mark | Certified |
SHA-1, SHA-256, and Hardware DRBG (Deterministic Random Bit Generator) Hardware Interface and Pinout Configuration
The chip verifies the integrity of the BIOS/UEFI, bootloader, and operating system before allowing the system to boot, preventing rootkits. Typically available in TSSOP (Thin Shrink Small Outline
Chip Select (Active Low). Initiates and frames SPI transactions.
By implementing security algorithms and storage isolation in dedicated silicon, the NPCT750 protects sensitive data—such as encryption keys, certificates, and passwords—from sophisticated software-based attacks, physical tampering, and side-channel analysis. 2. Key Architectural Features & Specifications
: Includes hardware acceleration for RSA, ECC (Elliptic Curve Cryptography), and SHA-256.
The NPCT750 isn't just secure by design; it's certified by international standards to meet government and enterprise requirements: FIPS 140-2 Level 2
When integrating the NPCT750 into a hardware design, developers should pay close attention to the implementation details outlined in the datasheet: