DS33R11 Ethernet Mapper with Integrated T1/E1/J1 Transceiver

 

Table 9-6. MAC Control Registers

 

 

 

 

 

 

 

 

 

 

ADDRESS

 

REGISTER

 

 

DESCRIPTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAC Control Register. This register is used for programming full

 

0000h-0003h

 

SU.MACCR

 

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.

 

 

 

 

 

 

 

 

 

 

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Maxim DS33R11 specifications MAC Control Registers, MAC Status Registers, Address Register Description