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| General Features * High Performance, Low Power AVR(R) 8-Bit Microcontroller * Advanced RISC Architecture - 132 Powerful Instructions - Most Single Clock Cycle Execution - 32 x 8 General Purpose Working Registers - Up to 16MIPS Throughput at 16Mhz - On-chip 2-cycle Multiplier Memories - 16K Bytes of ROM Program Memory - 768 Bytes Internal SRAM ISO7816 UART Interface Fully compliant with EMV, GIE-CB and WHQL Standards - Programmable ISO clock from 1 Mhz to 12 Mhz - Card insertion/removal detection with automatic deactivation sequence - Programmable Baud Rate Generator from 372 to 3 clock cycles - Synchronous/Asynchronous Protocols T=0 and T=1 with Direct or Inverse Convention - Automatic character repetition on parity errors - 32 Bit Waiting Time Counter - 16 Bit Guard Time Counter/Block Guard Time Counter - Internal Step Up/Down Converter with Programmable Voltage Output if DC/DC embedded: * Class A: 5V +/-8% at 60mA, Vcc>2.85 (50mA if Vcc >2.7) * Class B: 3V +/-8% at 60mA, Vcc>2.85 (50mA if Vcc >2.7) * Class C: 1.8V +/-8% at 35mA - 4 kV ESD (MIL/STD 833 Class 3) protection on whole Smart Card Interface USB 2.0 Full-speed Device Module - Complies fully with: * Universal Serial Bus Specification Rev 2.0 - Supports data transfer rates up to 12 Mbit/s - Endpoint 0 for Control Transfers : up to 64-bytes - 4 Programmable Endpoints with IN or OUT Directions and with Bulk, Interrupt or Isochronous Transfers - Suspend/Resume Interrupts, and Remote Wake-up Support - Power-on Reset and USB Bus Reset - 48 Mhz clock for Full-speed Bus Operation - USB Bus Disconnection on Microcontroller Request Peripheral Features - One 8-bit Timer/Counter with Separate Prescaler and Compare Mode - One 16-bit Timer/Counter with Compare Mode - Hardware Watchdog Communication Peripherals - USART interface (up to 2Mbps) - USART in SPI mode Special Microcontroller Feature - Power-on Reset and Brown-out Detection - External and Internal Interrupt Sources - Three Sleep Modes: Idle, Power-down and Standby * * 8-bit Microcontroller for Smart Card Readers AT90SCR050 Datasheet Summary * * * * TPG0450X-SMS-09Nov09 * Up to 4 x I/O Programmable Pins * One LED Output with Programmable Current Sources: 2 or 4 mA * Operating Temperature - Industrial (-40C to +85C) * Core Operating Voltages - 2.4 - 5.5V * DC/DC Operating Voltages - 2.7 - 5.5V * Maximum Frequency - 8MHz Clock Input 2 AT90SCR050 TPG0450X-SMS-09Nov09 AT90SCR050 1. Block Diagram Figure 1-1. Block Diagram CP CCRES L CR K ST CI O CC 4 CC 8 UC ap D+ D- Smart Card Interface Standard ISO7816 USB device Supply Monitor PC2, LED0 PORT C LED port USB DMA Pin Change IT Watchdog PORT D PD1, TXD, PCINT17 PD0, RXD, PCINT16 USART (in SPI mode) cpu Interrupt Controller Power Management PORT B Pin Change IT SRAM 768 Bytes ROM 16 KB PB0, T0, XCK, PCINT8 USB 8bit T/C 0 16bit T/C 1 48MHz Timers/Counters Clock Management XT AL 1 XT AL 2 Vc c 1 TPG0450X-SMS-09Nov09 Headquarters Atmel Corporation 2325 Orchard Parkway San Jose, CA 95131 USA Tel: 1(408) 441-0311 Fax: 1(408) 487-2600 International Atmel Asia Unit 01-05 & 16, 19/F BEA Tower, Millennium City 5 418 Kwun Tong Road Kwun Tong, Kowloon Hong Kong Tel: (852) 2245-6100 Fax: (852) 2722-1369 Atmel Europe Le Krebs 8, Rue Jean-Pierre Timbaud BP 309 78054 Saint-Quentin-enYvelines Cedex France Tel: (33) 1-30-60-70-00 Fax: (33) 1-30-60-71-11 Atmel Japan 9F, Tonetsu Shinkawa Bldg. 1-24-8 Shinkawa Chuo-ku, Tokyo 104-0033 Japan Tel: (81) 3-3523-3551 Fax: (81) 3-3523-7581 Product Contact Web Site www.atmel.com Technical Support scr@atmel.com Sales Contact www.atmel.com/contacts Literature Requests www.atmel.com/literature Disclaimer: The information in this document is provided in connection with Atmel products. No license, express or implied, by estoppel or otherwise, to any intellectual property right is granted by this document or in connection with the sale of Atmel products. EXCEPT AS SET FORTH IN ATMEL'S TERMS AND CONDITIONS OF SALE LOCATED ON ATMEL'S WEB SITE, ATMEL ASSUMES NO LIABILITY WHATSOEVER AND DISCLAIMS ANY EXPRESS, IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, CONSEQUENTIAL, PUNITIVE, SPECIAL OR INCIDENTAL DAMAGES (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF THE USE OR INABILITY TO USE THIS DOCUMENT, EVEN IF ATMEL HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. Atmel makes no representations or warranties with respect to the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Atmel does not make any commitment to update the information contained herein. Unless specifically provided otherwise, Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel's products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. (c) Atmel Corporation 2008. All Rights Reserved. Atmel (R), Atmel logo and combinations thereof, AVR (R) and others are registered trademarks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. TPG0450X-SMS-09Nov09 |
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