WPCT501

  WPCT301/NPCT501 Trusted Platform Module (TPM) Version 1.2 with I2C Interface March 2011 Revision 1.40 WPCT301/NPCT501 Trusted Platform Module (TPM) Version 1.2 with I2C Interface General Description The Nuvoton WPCT301/NPCT501 family of single-chip Trusted Platform Modules (TPM) is a third-generation Nuvoton SafeKeeper device that implements the TCG version 1.2 specification for PC-Client TPM with the addition of a serial data interface. The WPCT301/NPCT501 is designed to reduce system power-up time and Trusted OS loading time. It provides a complete platform security solution for a wide range of computer systems. Bus Interface ■ I2C Bus Interface — I2C Slave — Up to 400 KHz clock operation (NPCT501) Clocking and Supply ■ ■ Features General ■ ■ ■ ■ ■ Complete, single-chip TPM solution — No external parts required Compatible with the Trusted Computing Group (TCG) TPM 1.2 Main Host Interface — TPM 1.2 Interface (TIS) emulation — Dedicated Interrupt signal Secure General-Purpose I/O (GPIO) — Up to three GPIO pins — I/O pins individually configured as input or output — Configurable internal pull-up resistors — TCG 1.2-defined interface — Dedicated Physical Presence (PP) pin with configurable pull-up or pull-down resistor Tick Counter On-Chip Clock Generator Power Supply — 3.3V supply operation — Separate pins for main (VDD) and standby (VSB) power supplies — Low standby power consumption Package ■ 28-pin Thin Shrink Small Outline Package (TSSOP28) System Block Di...