PMC-Sierra, Inc.
STANDARD PRODUCT
PM5945 -UTP5
PMC-940202 ISSUE 2. APRIL 7, 1995
APP_SAPI_UTP5
______________________________________________________________________________________________
Signal
Name
Type
Power
Power
Function
PIN
GND
1
Ground
Ground
GND
2
TxDat[0]
TxDat[1]
TxDat[2]
TxDat[3]
TxDat[4]
TxDat[5]
TxDat[6]
TxDat[7]
I
I
I
I
I
I
I
I
3
5
9
11
4
6
10
12
The S/UNI is configured for the 8 bit FIFO interface,
TxDat[7:0] corresponds to a cell byte.
TxDat[7] corresponds to bit 1, the first bit received.
TxDat[0] corresponds to bit 8, the last bit received.
VCC
VCC
GND
TxPrty
Power
Power
7
8
+5 Volts
+5 Volts
Ground
Power 13
I
14
Transmit data bus (TxDat[7:0]) odd parity. Not
Used
TxSOC
I
15
Transmit start of cell indication. Identifies the first
byte (word) of a cell on inputs TxDAT[7:0]
GND
Power 16
Power 17
Ground
Ground
GND
TxFullB
O
18
Active low signal from the PHY to ATM layer,
asserted by the PHY layer 4 cycles before it is no
longer able to accept transmit data.
TxClavB
I
19
Active low signal from the ATM layer to the PHY
layer, asserted by the ATM layer when it has a full
cell to transmit.
GND
Power 20
Power 21
Ground
Ground
GND
TxCLK
I
22
The transmit transfer/synchronization clock
provided by the ATM to the PHY layer for
synchronizing transfers on the TxDATA bus.
(nominally at 20 MHz).
TxRefB
I
23
Transmit Reference. Input for the purposes of
synchronization (e.g. 8 KHz frame marker or
SONET frame indicator). Not Used
______________________________________________________________________________________________
13
PMC [ PMC-SIERRA, INC ]
