<p></p>
<p><b>@dylad</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/16814#discussion_r702779826">cpu/nrf9160/spi_twi_irq.c</a>:</p>
<pre style='color:#555'>> + *
+ *              I2C is called TWI (Two Wire Interface) in the datasheets from Nordic
+ *
+ * @author      Dylan Laduranty <dylan.laduranty@mesotic.com>
+ *
+ * @}
+ */
+
+#include <assert.h>
+
+#include "cpu.h"
+#include "periph_cpu.h"
+#include "periph_conf.h"
+
+static spi_twi_irq_cb_t _irq[SPIM_COUNT];
+static void *_irq_arg[SPIM_COUNT];
</pre>
<p>It is, there is up to 4 SPIM on nRF9160 but there are shared with I2C and UART. Like Atmel SERCOMs.</p>

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