AM79C930VCW datasheet(93/161 Pages) AMD

93 / 161 page

P R E L I M I N A R Y

AMD

Am79C930

(Generated from the internal signal stop_d, which indicates that an-

tenna diversity operation has selected an antenna.) Assertion of

ALOKI indicates the cessation of antenna diversity activity so that

the incoming network signal can be tracked and decoded by the

DPLL. ALOKI will be set to a 1 by the Am79C930 device when the

conditions for stopping the antenna diversity switching as set up in

the Baud Detect Circuit Control Registers, TCR17, TCR18, TCR20,

TCR21, TCR22, and TCR23, and the RSSI Limit Register TIR28,

and the CCA, and Antenna Diversity Control Register TCR28, have

been met.

TIR6: Interrupt Unmask Register 1

Interrupt Unmask Register 1. Each bit in this register will

unmask the corresponding interrupt of Interrupt Regis-

ter 1 (TIR4) when the unmask bit is set to 1. When the

unmask bit for any interrupt is set to 0, then the bit in the

Interrupt register may still become set, but no interrupt

to the 80188 embedded controller will occur.

Bit

Name

Reset Value

Description

CHBSYCU

CHBSY Change Interrupt Unmask.

ANTSWU

Antenna Switch Interrupt Unmask.

MOREINTU

MOREINT Interrupt Unmask.

TXCNTUN

TX Byte Count Interrupt Unmask.

TXDONE

TXDONE Interrupt Unmask.

CRCSU

CRC Start Interrupt Unmask.

SDSNTU

Start of Frame Delimiter Sent Interrupt Unmask.

TXFBNU

TX FIFO Byte Needed Interrupt Unmask.

TIR7: Interrupt Unmask Register 2

Interrupt Unmask Register 2.

Each bit in this register will unmask the corresponding

interrupt of Interrupt Register 2 (TIR5) when the unmask

bit is set to 1. When the unmask bit for any interrupt is set

to 0, then the bit in the Interrupt register may still become

set, but no interrupt to the 80188 embedded controller

will occur.

Bit

Name

Reset Value

Description

RXCNTU

RX Byte Count Interrupt Unmask.

CRC8GU

CRC8 Good Interrupt Unmask.

CRC32GU

CRC32 Good Interrupt Unmask.

RXFORU

RX FIFO Overrun Interrupt Unmask.

RXFBAU

RX FIFO Byte Available Interrupt Unmask.

SDFU

Start Delimiter Found Interrupt Unmask.

BCFU

Busy Channel Found Interrupt Unmask.

ALOKIU

Antenna Lock Interrupt Found Interrupt Unmask.

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