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# 1.7 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/usart/flexcom_iso7816_smartcard.

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

Project Name | Description
--- | ---
sam_a7d65_curiosity.X | MPLABX project for SAMA7D65 Curiosity Board
sam_a7d65_curiosity_pro.X | MPLABX project for SAMA7D65 Curiosity Pro 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_a7d65_curiosity.X | SAMA7D65 Curiosity Board
sam_a7d65_curiosity_pro.X | SAMA7D65 Curiosity Pro Board

### Setting Up SAMA7D65 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 the USB port J3 on board to the computer using a micro USB cable (to power the board)

  Pin | Smart Card Xplained PRO | MIKRO A5D29 Curiosity | Pins
  --- | --- | --- | ---
  2 (black) | GND | GND | -
  5 (yellow) | CARD_DETECT | CS | PA15
  9 (blue) | RESET | AN | PC5
  10 (grey) | VCC_ENABLE | MISO | PA17
  13 (brown) | XCK | SCK | FLEXCOM4_IO2
  14 (purple) | I/O | MOSI | FLEXCOM4_IO0
  20 (red) | VCC_TARGET | +3.3V | -

### Setting Up SAMA7D65 Curiosity Pro Development Board

Additional hardware required:

- Connect SmartCard Xplained Pro to mikroBUS 1
- Insert AT88SC1616C SmartCard into SmartCard Xplained Pro socket.
- Connect the Debug USB port on the board to the computer using a USB C cable

Setting up the board:

- Connect the USB port J1 on board to the computer using a micro USB cable (to power the board)

  Pin | Smart Card Xplained PRO | mikroBUS1 A7D65 Curiosity PRO | Pins
  --- | --- | --- | ---
  2 (black) | GND | GND | -
  5 (yellow) | CARD_DETECT | CS | PA15
  9 (blue) | RESET | AN | PC5
  10 (grey) | VCC_ENABLE | MISO | PA17
  13 (brown) | XCK | SCK | FLEXCOM4_IO2
  14 (purple) | I/O | MOSI | FLEXCOM4_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: C