AM79C930VCW datasheet(17/161 Pages) AMD

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Am79C930

PRELIMINARY

PCMCIA PIN FUNCTION SUMMARY (continued)

PCMCIA Pin Summary (continued)

No. of

Pins

Pin Name

Pin Function

Pin Style

TDO

Test Data Out—this is the data output signal for IEEE 1149.1 testing

TS1

TMS

Test Mode Select—this is the test mode select for IEEE 1149.1 testing

TRST

Test Reset—this is the reset signal for IEEE 1149.1 testing

USER7

User-programmable pin

PTS3

RXC

Receive Clock—provides decode receive clock

PTS3

TEST

Test pin—when asserted, this pin places the Am79C930 device into a

nonstandard factory-only test mode

CLKIN

Clock input to drive BIU, 80188 core, and TAI, supplying network data rate

information

PMX1–2

Power Management Xtal—32-kHz Xtal input for sleep timer reference

I/XO

TXC

Transmit Clock—may be conﬁgured either as input or output

TS1

LFPE

Low Frequency Power Enable—used to power up the low-frequency section of

the transceiver

PTS1

LFCLK

Low Frequency Clock—a reference signal for the transceiver synthesizer

TS1

LLOCKE

Low Frequency Synthesizer Lock—a programmable signal

PTS1

HFPE

High Frequency Power Enable—used to power up the high-frequency section

of the transceiver

PTS1

HFCLK

High Frequency Clock—a reference signal for the transceiver synthesizer

TS1

ANTSLT, ANTSLT

Antenna Select—used to select between two antennas

PTS1

TXCMD, TXCMD

Transmit Command—used to select the transmit path in the transceiver

TP1, PTS1

TXPE

Transmit Power Enable—used to power up the transmit section of the

transceiver

TP1

TXDATA, TXDATA

Transmit Data—supplies the transmit data stream to the transceiver

TP1, PTS1

TXMOD

Transmit Modulation Enable—enables the modulation of transmit data

TP1

RXPE

Receive Power Enable—enables the receive function of the transceiver

PTS1

RXDATA

Receive Data—accepts receive data in NRZ format from the transceiver

FDET

Frame Detect—start of frame delimiter detection indication

TS1

RXCIN

Receive Clock Input—optional clock input that allows for an external PLL

IPU

SDCLK

Serial Data Clock—clock output used to access serial peripheral devices

PTS1

SDDATA

Serial Data Data—data pin used to access serial peripheral devices

PTS1

SDSEL3–SDSEL1

Serial Data Select—chip select outputs used to select serial peripheral devices

PTS1

ACT

Activity LED—output capable of driving an LED

PTS2

LNK

Link LED—output capable of driving an LED

PTS2

ADREF

A/D Reference—an input that can be used to set the analog reference voltage

for the internal A/D converter

SAR6–SAR0

Serial Approximation Register—supplies the value of the serial approximation

TS1

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