A Versatile and Economical CMOS System on Chip Device

The 73S1215F is a versatile and economical CMOS System-on-Chip device intended for smart card reader applications. The circuit features an ISO 7816 / EMV interface, an USB 2.0 interface (full-speed 12Mbps device) and a 5x6 PIN pad interface. Maximum design flexibility is supported with additional features such as 9 user I/Os, multiple interrupt options, up to 4 programmable current outputs (to drive external LEDs), and 1 analog voltage input (suitable for DC voltage monitoring such as battery level detection). Other built-in hardware interfaces include an asynchronous serial UART and an I2 C interface. The System-on-Chip is built around an 80515 high performance core. Its feature and instruction set is compatible with the industry standard 8051, while offering one clock-cycle per instruction processing power (most instructions)With a CPU clock running up to 24MHz, it results in up to 20 MIPS available that meets the requirements of various encryption needs such as AES, DES / 3-DES and even RSA (for PIN encryption for instance). The circuit requires a single crystal, which frequency can be between 6MHz and 12MHz. In addition, a 32768 Hz sub-system oscillator (optional) with an independent real-time-clock counter enables standalone applications to access an RTC value. The respective 73S1215F embedded memories are; 64KB Flash program memory, 2KB user XRAM memory, and 256B IRAM memory. In addition to these memories are independent FIFOs dedicated to the ISO7816 UART and to the USB interface. Overall, the 73S1215F offers a cost effective solution to implement hand-held PIN pad smart card readers - USB connected, serial connected, standalone or combo - as well as turnkey smart card reader modules, USB or Express Card type. Embedded Flash memory is in-system programmable and lockable by means of on-silicon fuses. This makes the Teridian 73S1215F suitable for both development and production phases. Teridian Semiconductor Corporation offers with its 73S1215F a very comprehensive set of software libraries, including the smart card and USB protocol layers that are pre-approved against USB, Microsoft WHQL and EMV, as well as a CCID reference design.

• 80515 Core:
  • 1 clock cycle per instruction (most instructions)
  • CPU clocked up to 24MHz
  • 64kB Flash memory with security
  • 2kB XRAM (User Data Memory)
  • 256 byte IRAM
  • Hardware watchdog timer
• Oscillators:
  • Single low-cost 6MHz to 12MHz crystal
  • Optional 32768 Hz crystal (with internal RTC)
  • An Internal PLL provides all the necessary clocks to each block of the system
• Interrupts:
  • Standard 80C515 4-priority level structure
  • Nine different sources of interrupt to the core
• Power Down Modes:
  • 2 standard 80C515 Power Down and IDLE modes
  • Extensive device power down mode
• Timers:
  • Two standard 80C52 timers T0 and T1
  • One 16-bit timer that can generate RTC interrupts from the 32kHz clock
• Built-in ISO-7816 Card Interface:
  • LDO regulator produces Vcc for the card (1.8V, 3V or 5V)
  • Full compliance with EMV 4.1
  • Activation/Deactivation sequencers
  • Auxiliary I/O lines (C4-C8 signals)
  • 6kV ESD protection on all interface pins
• Communication with Smart Cards:
  • ISO 7816 UART for protocols T=0, T=1
  • (2) 2-Byte FIFOs for transmit and receive
  • Configured to drive multiple external Teridian 73S8010x interfaces (for multi-SAM architectures)
• Communication Interfaces:
  • Full-duplex serial interface (1200 to 115kbps UART)
  • USB 2.0 Full Speed 12Mbps Interface, PC/SC compliant with 4 Endpoints:
  • Control (16B FIFO)
  • Interrupt IN (32B FIFO)
  • Bulk IN (128B FIFO)
  • Bulk OUT (128B FIFO)
  • I²C Master Interface (400kbps)
• Man-Machine Interface and I/Os:
  • 5x6 Keyboard (hardware scanning, debouncing and scrambling)
  • Nine User I/Os
  • Up to 4 programmable current outputs (LED)
• Voltage Detection:
  • Analog Input (detection range: 1.0V to 1.5V)
• Operating Voltage:
  • 2.7V to 3.6V (3V to 3.6V when USB is in use)
  • 4.75 to 5.5V for smart card supply
• Operating Temperature:
  • -40°C to 85°C
• Packages:
  • 68-pin QFN
  • 44-pin QFN
• Software:
  • Two-level Application Programming Interface (ANSI C-language libraries)
  • USB, T=0/T=1 and EMV-compliant smart card
• protocol layers
  • CCID reference design and Windows® driver