23
x r
PRELIMINARY
E3 UNI FOR ATM
XRT7234
REV. P1.0.0
37
52
GND
***
Ground Pin Signal
53
RxData15
O
Receive Utopia Data Bus Input (MSB):
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
Note:
This pin is only available for the 160 pin package version.
38
54
RxData7
O
Receive Utopia Data Bus Output:
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
55
RxData14
O
Receive Utopia Data Bus Output:
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
Note:
This pin is only available for the 160 pin package version.
39
56
RxData6
O
Receive Utopia Data Bus Output:
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
57
RxData13
O
Receive Utopia Data Bus Output:
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
Note:
This pin is only available for the 160 pin package version.
40
58
RxData5
O
Receive Utopia Data Bus Output:
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
59
VDD
***
Power Supply Pin
41
60
RxData4
O
Receive Utopia Data Bus Output:
This output pin, along with
RxData14 through RxData0 functions as the Receive Utopia Data Bus.
ATM cell data that has been received from the “Far-End” UNI is output on
the Receive Utopia Data Bus, where it can be read and processed by the
ATM Layer Processor.
PIN DESCRIPTION (CONTINUED)
Pin
No.
100 Pin Package
Pin No. 160
PinPackage
Symbol
Type
Description