4 stopping and starting the receiver, 5 receiver errors, Stopping and starting the receiver – SMSC LAN9311i User Manual
Page 137: Receiver errors, Section 9.9.4, "stopping and starting the, Receiver, Datasheet 9.9.4 stopping and starting the receiver
Two Port 10/100 Managed Ethernet Switch with 16-Bit Non-PCI CPU Interface
Datasheet
SMSC LAN9311/LAN9311i
137
Revision 1.4 (08-19-08)
DATASHEET
9.9.4
Stopping and Starting the Receiver
To stop the receiver, the host must clear the RXEN bit in the
Host MAC Control Register (HMAC_CR)
When the receiver is halted, the RXSTOP_INT will be pulsed and reflected in the
. Once stopped, the host can optionally clear the RX Status and RX Data FIFOs.
The host must re-enable the receiver by setting the RXEN bit.
9.9.5
Receiver Errors
If the Receiver Error (RXE) flag is asserted in the
Interrupt Status Register (INT_STS)
for any reason,
the receiver will continue operation. RX Error (RXE) will be asserted under the following conditions:
A host underrun of RX Data FIFO
A host underrun of the RX Status FIFO
An overrun of the RX Status FIFO
It is the duty of the host to identify and resolve any error conditions.