AT97SC3205-X3A12-20 Microchip

AT97SC3205 Trusted Platform Module SPI Interface SUMMARY DATASHEET Features Compliant to the Trusted Computing Group (TCG) Trusted Platform Module (TPM) Version 1.2 Specification Compliant with TCG PC Client-Specific TPM Interface Specification (TIS) Version 1.3 Single-chip, Turnkey Solution Hardware Asymmetric Crypto Engine Atmel AVR RISC Microprocessor Internal EEPROM Storage for RSA Keys Serial Peripheral Interface (SPI) Protocol Up to 45MHz* (*Typical PC Operating Range is 24MHz to 33MHz) Secure Hardware and Firmware Design and Chip Layout FIPS-140-2 Module Certified Including the High-quality Random Number Generator (RNG), HMAC, AES, SHA, and RSA Engines NV Storage Space for 2066 bytes of User Defined Data 3.3V Supply Voltage 28-lead Thin TSSOP and 32-pad QFN Package Offered in Both Commercial (0C to 70C) and Industrial (-40C to +85C) Temperature Ranges Description The Atmel AT97SC3205 is a fully integrated security module designed to be integrated into personal computers and other embedded systems. It implements version 1.2 of the Trusted Computing Group (TCG) specification for Trusted Platform Modules (TPM). This is a summary document. The complete document is available under NDA. For more information, please contact your local Atmel sales office. Atmel-8884AS-TPM-AT97SC3205-Datasheet-Summary 0220141. Pin Configurations and Pinouts Table 1-1. Pin Configurations Pin Name Function V 3.3V Supply Voltage CC GND Ground GPIO Express-00 GPIO assigned to TPM NV INDEX GPIO 00 PP/GPIO Hardware Physical Presence or GPIO pin. GPIO General Purpose Input/Output Pin MISO SPI Slave Data Output MOSI SPI Slave Data Input PIRQ SPI Interrupt Requests SPI CLK SPI Clock Input SPI CS SPI Chip Select SPI RST SPI Reset Pin TestI TestI Manufacturing Test Input (Disabled) TestBI TestBI Manufacturing Test Input (Disabled) XTamper Indicate External Tamper Event NC No Connect Figure 1-1. Pinouts 28-pin TSSOP 32-pin QFN 4.40mm x 9.70mm Body 4.00mm x 4.00mm Body 0.65mm Pitch 0.90mm Pitch 1 28 NC GPIO2 2 27 NC GPIO1 3 26 MISO V 32 31 30 29 28 27 26 25 CC 1 24 MISO 4 25 GND V GND CC 2 23 GND 5 24 V GND NC CC 3 22 V CC 6 23 MOSI GPIO Express-00 GPIO Express-00 4 21 MOSI 7 22 SPI CS PP/GPIO PP/GPIO 5 20 SPI CS 8 21 SPI CLK TestI TestI 6 19 SPI CLK 9 20 PIRQ TestBI/GPIO/XTamper TestBI/GPIO/XTamper 7 18 PIRQ 10 19 V NC V CC CC 8 17 SPI RST 11 18 GND V GND CC 910 11 12 13 14 15 16 12 17 GPIO3 NC 13 16 SPI RST NC 14 15 NC NC 2 AT97SC3205 SUMMARY DATASHEET Atmel-8884AS-TPM-AT97SC3205-Datasheet-Summary 022014 GND GND NC NC NC GPIO2 GPIO3 GPIO1 NC NC NC NC NC NC NC NC