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# 1.12 FLEXCOM ISO7816 SmartCard

This example application shows how to use the FLEXCOM module in ISO7816 mode.

## Description

This application configures the FLEXCOM peripheral in ISO7816 mode and performs operation on a SmartCard AT88SC0808C.

## Downloading and Building the Application

To clone or download this application from Github, go to the main page of this repository and then click Clone button to clone this repository or download as zip file. This content can also be downloaded using content manager by following these instructions.

Path of the application within the repository is apps/flexcom/flexcom_iso7816_smartcard/firmware.

To build the application, refer to the following table and open the project using its IDE.

Project Name | Description
--- | ---
sam_9x75_curiosity.X | MPLABX project for SAM9X75 Curiosity Development Board
sam_9x75_curiosity_pro.X | MPLABX project for SAM9X75 Curiosity Pro Development Board

## Setting Up AT91Bootstrap Loader

To load the application binary onto the target device, we need to use at91bootstrap loader. Refer to the at91bootstrap loader documentation for details on how to configure, build and run bootstrap loader project and use it to bootstrap the application binaries.

## Setting Up the Hardware

The following table shows the target hardware for the application projects.

Project Name | Description
--- | ---
sam_9x75_curiosity.X | SAM9X75 Curiosity Development Board
sam_9x75_curiosity_pro.X | SAM9X75 Curiosity Pro Development Board

### Setting Up SAM9X75 Curiosity Development Board

Additional Hardware Required:

- Connect SmartCard Xplained Pro to EXT3 header
- Insert AT88SC1616C SmartCard into SmartCard Xplained Pro socket
- Connect the Debug USB port on the board to the computer using a micro USB cable

Setting up the board:

- Connect a programming cable from JTAG connector J12 on board to programmer(J-32 Debugger)
- Connect programmer(J-32 Debugger) to computer using a micro USB cable
- Connect the USB port J1 on board to the computer using a micro USB cable (to power the board)

  Pin | SmartCard Xplained PRO | MIKRO 9x75 Curiosity | Pins
  --- | --- | --- | ---
  2 (black) | GND | GND | -
  5 (yellow) | CARD_DETECT | CS | PC24
  9 (blue) | RESET | AN | PA31
  10 (grey) | VCC_ENABLE | MISO | PC23
  13 (brown) | XCK | SCK | PC26 flexcom3_IO2
  14 (purple) | I/O | MOSI | PC22 flexcom3_IO0
  20 (red) | VCC_TARGET | +3.3V | -

### Setting Up SAM9X75 Curiosity Pro Development Board

Additional hardware required:

- Connect SmartCard Xplained Pro to mikroBUS 2 header using jumper wires
- Insert AT88SC1616C SmartCard into SmartCard Xplained Pro socket

Setting up the board:

- Connect a programming cable from JTAG connector J64 on board to programmer(J-32 Debugger)
- Connect programmer(J-32 Debugger) to computer using a micro USB cable
- Connect the USB port J1 on board to the computer using a micro USB cable (to power the board)

  Pin | SmartCard Xplained PRO | mikroBUS 2 | MIKRO 9x75 Curiosity Pro
  --- | --- | --- | ---
  2 (black) | GND | GND | -
  5 (yellow) | CARD_DETECT | CS | PC24
  9 (blue) | RESET | AN | PA31
  10 (grey) | VCC_ENABLE | MISO | PC23
  13 (brown) | XCK | SCK | PC26 flexcom3_IO2
  14 (purple) | I/O | MOSI | PC22 flexcom3_IO0
  20 (red) | VCC_TARGET | +3.3V | -

## Running the Application

1. Open the Terminal application (Ex.:Tera term) on the computer.
2. Connect to the USB Serial COM port and configure the serial settings as follows:
   - Baud: 115200
   - Data: 8 Bits
   - Parity: None
   - Stop: 1 Bit
   - Flow Control: None
3. Build and Program the application using its IDE.
4. The console displays the following message.

Rev: E