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DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver
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Table 9-6. MAC Control Registers
ADDRESS REGISTER DESCRIPTION
0000h-0003h SU.MACCR
MAC Control Register. This register is used for programming full
duplex, half duplex, promiscuous mode, and back-off limit for half
duplex. The transmit and receive enable bits must be set for the MAC
to operate.
0014h-0017h SU.MACMIIA
MAC MII Management (MDIO) Address Register. The address for
PHY access through the MDIO interface.
0018h-001Bh SU.MACMIID
MAC MII (MDIO) Data Register. Data to be written to (or read from)
the PHY through MDIO interface.
001Ch-001Fh SU.MACFCR MAC Flow Control Register
0100h-0103h SU.MMCCTRL MAC MMC Control Register. Bit 0 for resetting the status counters.
Table 9-7. MAC Status Registers
ADDRESS REGISTER DESCRIPTION
0200h-0203h SU.RxFrmCtr All frames received counter.
0204h-0207h SU.RxFrmOkCtr Number of received frames that are good.
0300h-0303h SU.TxFrmCtr Number of frames transmitted.
0308h-030Bh SU.TxBytesCtr Number of bytes transmitted.
030Ch-030Fh SU.TxBytesOkCtr Number of bytes transmitted with good frames.
0334h-0337h SU.TxFrmUndr Transmit FIFO underflow counter.
0338h-033Bh SU.TxBdFrmCtr Transmit number of frames aborted.