Am79C930
1
7
P R E L I M I N A R Y
PCMCIA PIN FUNCTION SUMMARY (continued)
PCMCIA Pin Summary (continued)
No. of
Pins
Pin Name
Pin Function
Pin Style
1
TDO
Test Data Out—this is the data output signal for IEEE 1149.1 testing
TS1
1
TMS
Test Mode Select—this is the test mode select for IEEE 1149.1 testing
I
1
TRST
Test Reset—this is the reset signal for IEEE 1149.1 testing
I
1
USER7
User-programmable pin
PTS3
1
RXC
Receive Clock—provides decode receive clock
PTS3
1
TEST
Test pin—when asserted, this pin places the Am79C930 device into a
nonstandard factory-only test mode
I
1
CLKIN
Clock input to drive BIU, 80188 core, and TAI, supplying network data rate
information
I
2
PMX1–2
Power Management Xtal—32-kHz Xtal input for sleep timer reference
I/XO
1
TXC
Transmit Clock—may be configured either as input or output
TS1
1
LFPE
Low Frequency Power Enable—used to power up the low-frequency section of
the transceiver
PTS1
1
LFCLK
Low Frequency Clock—a reference signal for the transceiver synthesizer
TS1
1
LLOCKE
Low Frequency Synthesizer Lock—a programmable signal
PTS1
1
HFPE
High Frequency Power Enable—used to power up the high-frequency section
of the transceiver
PTS1
1
HFCLK
High Frequency Clock—a reference signal for the transceiver synthesizer
TS1
2
ANTSLT, ANTSLT
Antenna Select—used to select between two antennas
PTS1
2
TXCMD, TXCMD
Transmit Command—used to select the transmit path in the transceiver
TP1, PTS1
1
TXPE
Transmit Power Enable—used to power up the transmit section of the
transceiver
TP1
2
TXDATA, TXDATA
Transmit Data—supplies the transmit data stream to the transceiver
TP1, PTS1
1
TXMOD
Transmit Modulation Enable—enables the modulation of transmit data
TP1
1
RXPE
Receive Power Enable—enables the receive function of the transceiver
PTS1
1
RXDATA
Receive Data—accepts receive data in NRZ format from the transceiver
I
1
FDET
Frame Detect—start of frame delimiter detection indication
TS1
1
RXCIN
Receive Clock Input—optional clock input that allows for an external PLL
IPU
1
SDCLK
Serial Data Clock—clock output used to access serial peripheral devices
PTS1
1
SDDATA
Serial Data Data—data pin used to access serial peripheral devices
PTS1
3
SDSEL3–SDSEL1
Serial Data Select—chip select outputs used to select serial peripheral devices
PTS1
1
ACT
Activity LED—output capable of driving an LED
PTS2
1
LNK
Link LED—output capable of driving an LED
PTS2
1
ADREF
A/D Reference—an input that can be used to set the analog reference voltage
for the internal A/D converter
I
7
SAR6–SAR0
Serial Approximation Register—supplies the value of the serial approximation
register used in the A/D converter
TS1