PMC-Sierra, Inc.
STANDARD PRODUCT
PM5945 -UTP5
PMC-940202 ISSUE 2. APRIL 7, 1995
APP_SAPI_UTP5
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RxEnbB
I
47
Active low signal asserted by the ATM layer to
indicate that the RxDat[7:0] will be sampled at the
start of the next cycle. Sampling occurs on cycles
following those with RxENB asserted and
RxEmptyB Deasserted.
GND
GND
RxClk
Power 48
Power 49
Ground
Ground
I
50
Transfer/synchronization clock provide by the ATM
layer for synchronizing transfers on RxDat
(nominally 20 MHz).
RxRefB
O
51
Receive Reference. Output for the purposes of
synchronization (e.g. 8 KHz frame marker or
SONET frame indicator). Not Used.
GND
Power 52
Power 53
Ground
Ground
GND
RxClav
O
54
Receive Cell Available Signal. Active high signal
from the PHY layer to the ATM layer, asserted to
indicate that there is a complete cell available for
transfer to the ATM layer.
RxFlush
GND
GND
A[4]
55
Not Used
Power 56
Power 57
Ground
Ground
I
I
I
I
58
59
60
61
62
Address bus bit 7.
Address bus bit 6.
Address bus bit 5.
Address bus bit 4.
A[0]
A[5]
A[1]
Undefined
VCC
VCC
A[2]
Power 63
Power 64
+5 Volts
+5 Volts
I
I
I
I
65
66
67
68
Address bus bit 3.
Address bus bit 2.
Address bus bit 1.
Address bus bit 0.
A[6]
A[3]
A[7]
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15
PMC [ PMC-SIERRA, INC ]
