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AT90SCR050 Datasheet, PDF (1/4 Pages) ATMEL Corporation – 8-bit Microcontroller for Smart Card Readers | |||
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General Features
⢠High Performance, Low Power AVR® 8-Bit Microcontroller
⢠Advanced RISC Architecture
â 132 Powerful Instructions - Most Single Clock Cycle Execution
â 32 x 8 General Purpose Working Registers
â Up to 16MIPS Throughput at 16Mhz
â On-chip 2-cycle Multiplier
⢠Memories
â 16K Bytes of ROM Program Memory
â 768 Bytes Internal SRAM
⢠ISO7816 UART Interface Fully compliant with EMV, GIE-CB and WHQL Standards
â Programmable ISO clock from 1 Mhz to 12 Mhz
â Card insertion/removal detection with automatic deactivation sequence
â Programmable Baud Rate Generator from 372 to 3 clock cycles
â Synchronous/Asynchronous Protocols T=0 and T=1 with Direct or Inverse
Convention
â Automatic character repetition on parity errors
â 32 Bit Waiting Time Counter
â 16 Bit Guard Time Counter/Block Guard Time Counter
â 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
â 4 kV ESD (MIL/STD 833 Class 3) protection on whole Smart Card Interface
⢠USB 2.0 Full-speed Device Module
â Complies fully with:
⢠Universal Serial Bus Specification Rev 2.0
â Supports data transfer rates up to 12 Mbit/s
â Endpoint 0 for Control Transfers : up to 64-bytes
â 4 Programmable Endpoints with IN or OUT Directions and with Bulk, Interrupt or
Isochronous Transfers
â Suspend/Resume Interrupts, and Remote Wake-up Support
â Power-on Reset and USB Bus Reset
â 48 Mhz clock for Full-speed Bus Operation
â USB Bus Disconnection on Microcontroller Request
⢠Peripheral Features
â One 8-bit Timer/Counter with Separate Prescaler and Compare Mode
â One 16-bit Timer/Counter with Compare Mode
â Hardware Watchdog
⢠Communication Peripherals
â USART interface (up to 2Mbps)
â USART in SPI mode
⢠Special Microcontroller Feature
â Power-on Reset and Brown-out Detection
â External and Internal Interrupt Sources
â Three Sleep Modes: Idle, Power-down and Standby
8-bit
Microcontroller
for Smart Card
Readers
AT90SCR050
Datasheet
Summary
TPG0450XâSMSâ09Nov09
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