gureGPIO(MCP_A1, MCPDir::Input, true);   // A1 is an input with pullup
bool A1 = io.readGPIO(MCP_A1);                   // read A1
io.writeGPIO(MCP_B0, true);                      // sets B0 high
</pre> <dl class="section examples"><dt>Examples</dt><dd><a class="el" href="_v_g_a_2_hardware_test_2_hardware_test_8ino-example.html#_a2">VGA/HardwareTest/HardwareTest.ino</a>.</dd>
</dl>

<p class="definition">Definition at line <a class="el" href="_m_c_p23_s17_8h_source.html#l00155">155</a> of file <a class="el"