Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsInterface ICsInterface IC - transceivers Ethernet 4/4 CSBGA 256

111

112

113

114

115

116

117

118

119

120

DS26514 4-Port T1/E1/J1 Transceiver

19-5856; Rev 4; 5/11 113 of 305

10.1.5 HDLC-256 Register List

Table 10-6. HDLC-256 Register List

Note that only HDLC-256 1 Address is presented here. The same set of registers definitions applies for HDLC-256s 2 to 4 in accordance with

the DS26514 map offsets. HDLC-256 offset is {1500+ (n-1) x 20 hex}, where n designates the HDLC-256 in question.

HDLC-256 REGISTER LIST

ADDRESS

R/W

1500h

TH256CR1

Transmit HDLC-256 Control Register 1

R/W

1501h

TH256CR2

Transmit HDLC-256 Control Register 2

R/W

1502h

TH256FDR1

Transmit HDLC-256 FIFO Data Register 1

R/W

1503h

TH256FDR2

Transmit HDLC-256 FIFO Data Register 2

R/W

1504h

TH256SR1

Transmit HDLC-256 Status Register 1

1505h

TH256SR2

Transmit HDLC-256 Status Register 2

1506h

TH256SRL

Transmit HDLC-256 Status Register Latched

R/W

1507h

Unused

—

1508h

TH256SRIE

Transmit HDLC-256 Status Register Interrupt Enable

R/W

1509h

Unused

—

150Ah

Unused

—

150Bh

Unused

—

150Ch

Unused

—

150Dh

Unused

—

150Eh

Unused

—

150Fh

Unused

—

1510h

RH256CR1

Receive HDLC-256 Control Register 1

R/W

1511h

RH256CR2

Receive HDLC-256 Control Register 2

R/W

1512h

Unused

—

1513h

Unused

—

1514h

RH256SR

Receive HDLC-256 Status Register

1515h

Unused

—

1516h

RH256SRL

Receive HDLC-256 Status Register Latched

R/W

1517h

Unused

—

1518h

RH256SRIE

Receive HDLC-256 Status Register Interrupt Enable

R/W

1519h

Unused

—

151Ah

Unused

—

151Bh

Unused

—

151Ch

RH256FDR1

Receive HDLC-256 FIFO Data Register 1

151Dh

RH256FDR2

Receive HDLC-256 FIFO Data Register 2

151Eh

Unused

—

151Fh

Unused

—