self._rx_count_0 = RegisterField("rx_count_0", _count_width, access_bus=READ_ONLY, access_dev=WRITE_ONLY)
self._rx_count_1 = RegisterField("rx_count_1", _count_width, access_bus=READ_ONLY, access_dev=WRITE_ONLY)
self._tx_count = RegisterField("tx_count", _count_width, access_dev=READ_WRITE)
- self._tx_start = RegisterField("tx_start", access_bus=WRITE_ONLY)
+ self._tx_start = RegisterRaw("tx_start")
regs = [self._phy_reset, self._rx_count_0, self._rx_count_1, self._tx_count, self._tx_start]
self._rx_event_0 = EventSourcePulse()