BT8376EPF datasheet(153/323 Pages) CONEXANT

153 / 323 page

Bt8370/8375/8376

3.0 Registers

Fully Integrated T1/E1 Framer and Line Interface

3.6 Primary Control and Status Registers

N8370DSE

Conexant

3-35

019—Programmable Output Enable (POE)

TDL_OE

TDLCKO Output Buffer Control—When enabled, TDLCKO is output according to DL3_TS

and DL3_BIT [addr 015, 016]. Note that TDL_IO [addr 018] overrides TDL_OE when

TNEGI/TDLCKO pin is configured as an input.

0 = TDLCKO output enabled

1 = TDLCKO output three-stated

RDL_OE

RNEGO/RDLCKO and RPOSO/RDLO Output Buffer Control—When enabled, both

bi-modal signals are output by their respective internal circuits; otherwise, both outputs are

placed in high impedance state.

0 = RNEGO/RDLCKO and RPOSO/RDLO outputs enabled

1 = RNEGO/RDLCKO and RPOSO/RDLO outputs three-stated

INDY_OE

TNEGO/RINDO and TPOSO/TINDO Output Buffer Control—When enabled, both bi-modal

signals are output by their respective internal circuits; otherwise, both outputs are forced into

high impedance state.

0 = TNEGO/RINDO and TPOSO/TINDO outputs enabled

1 = TNEGO/RINDO and TPOSO/TINDO outputs three-stated

TCKO_OE

TCKO Output Buffer Control—Allows the system to connect multiple devices to a common

clock bus by providing programmable three-state control over the TCKO output buffer.

0 = TCKO output enabled

1 = TCKO output three-stated

CLADO_OE

CLADO Output Buffer Control—Allows the system to connect multiple devices to a common

clock bus by providing programmable three-state control over the CLADO output buffer. On

the Bt8376 device, enabling the CLADO output forces a low on the CLADO pin.

0 = CLADO output enabled

1 = CLADO output three-stated

RCKO_OE

RCKO Output Buffer Control—Allows the system to connect multiple devices to a common

clock bus by providing programmable three-state control over the RCKO output buffer.

0 = RCKO output enabled

1 = RCKO output three-stated

——

TDL_OE

RDL_OE

INDY_OE

TCKO_OE

CLADO_OE

RCKO_OE

BT8376EPF Datasheet(PDF) 153 Page - Synaptics Incorporated.

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