from atsame5.c:163
static const struct samd_family samd_families[] = {
{ SAMD_PROCESSOR_M4, SAMD_FAMILY_D, SAMD_SERIES_51,
samd51_parts, ARRAY_SIZE(samd51_parts) },
{ SAMD_PROCESSOR_M4, SAMD_FAMILY_E, SAME_SERIES_51,
same51_parts, ARRAY_SIZE(same51_parts) },
{ SAMD_PROCESSOR_M4, SAMD_FAMILY_E, SAME_SERIES_53,
same53_parts, ARRAY_SIZE(same53_parts) },
{ SAMD_PROCESSOR_M4, SAMD_FAMILY_E, SAME_SERIES_54,
same54_parts, ARRAY_SIZE(same54_parts) },
};