ATTPM20P-G3MA1-10-B Microchip

This is a summary document. A complete document is available under NDA. For more information, please contact your local Microchip sales office. ATTPM20P Trusted Platform Module (TPM) 2.0 - SPI Interface Introduction The Microchip ATTPM20P is a fully integrated security cryptoprocessor designed to be integrated into personal computers, embedded systems and IoT platforms. It implements version 2.0 of the Trusted Computing Group (TCG) specification for Trusted Platform Modules (TPM). Features Compliant to the Trusted Computing Group (TCG) Trusted Platform Module (TPM) Version 2.0, r116 Trusted Platform Module Library Single-Chip Turnkey Solution Hardware Asymmetric Crypto Engine Microchip ARM M0+Microprocessor Internal FLASH Storage for Keys Serial Peripheral Interface (SPI) Protocol up to 36 MHz Secure Hardware and Firmware Design and Device Layout FIPS-140-2 Module Compliant Including the High-Quality Random Number Generator (RNG), HMAC, AES, SHA, ECC, and RSA Engines 8-pad UDFN Package for the Industry Smallest TPM 2.0 Device Offered in Commercial (0C to +70C) Temperature Range 1.8V to 3.3V Supply Voltage Offered in Industrial (-40C to +85C) Temperature Range 3.3V Supply Voltage Cryptographic Support for: HMAC AES-128 SHA-1 SHA-256 ECC BN_P256, ECCNIST_P256 RSA 1024-2048 bit keys 16 KB of User-Accessible Nonvolatile Memory X.509 EK Certificates (Optional) Pre-Generated Endorsement Keys Summary Datasheet DS40002082A-page 1 2018 Microchip Technology Inc. ATTPM20P Table of Contents Introduction......................................................................................................................1 Features.......................................................................................................................... 1 1. Pin Configurations and Pinouts................................................................................. 4 2. Block Diagram........................................................................................................... 6 3. Design Considerations.............................................................................................. 8 3.1. SPI Bit Order................................................................................................................................ 8 3.2. TPM SPI is Slave Only.................................................................................................................8 3.3. Wait State.....................................................................................................................................8 3.4. Available Key Storage..................................................................................................................8 3.5. Standard Mode Self-Test..............................................................................................................8 4. TCG PC Client Platform TPM Profile (PTP) Specification Summary........................ 9 5. TCG TPM Command Data Bytes Transfer Format..................................................10 5.1. TCG TPM Command Protocol................................................................................................... 10 5.2. TCG Command - Incoming Operands and Sizes.......................................................................10 5.3. TCG Command - Outgoing Operands and Sizes.......................................................................10 6. Background Operations...........................................................................................12 7. Package Drawings...................................................................................................13 7.1. 8 Pin UDFN Package Drawing...................................................................................................13 7.2. TPM 2.0 Standard Packages..................................................................................................... 16 7.3. Package Marking........................................................................................................................16 8. Revision History.......................................................................................................17 The Microchip Web Site................................................................................................ 18 Customer Change Notification Service..........................................................................18 Customer Support......................................................................................................... 18 Product Identification System........................................................................................19 Microchip Devices Code Protection Feature................................................................. 19 Legal Notice...................................................................................................................20 Trademarks................................................................................................................... 20 Quality Management System Certified by DNV.............................................................21 DS40002082A-page 2 Datasheet Summary 2018 Microchip Technology Inc.