PNX1500E NXP Semiconductors, PNX1500E Datasheet - Page 695

PNX1500E

Manufacturer Part Number
PNX1500E
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of PNX1500E

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Part Number
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Part Number:
PNX1500E
Manufacturer:
NORTEL
Quantity:
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NXP Semiconductors
Volume 1 of 1
PNX15XX_PNX952X_SER_N_4
Product data sheet
consists of three join modules, the second stage consists of two modules and the
final stage consists of one module, as depicted in
produce a single result from two inputs while doing a logic function on the two inputs.
Each of the join modules has four inputs matcha , matchb and readya , readyb and two
outputs matcho and readyo . The ready output is the logic AND of the ready inputs
( readyo = readya & readyb ). The match output of a join module depends on the two
match inputs and a logic function that can be programmed via four bits in the
PatternMatchJoin register. The pattern in each nibble of that register defines the logic
function the join module performs on the inputs to produce the output.
the bit definitions of the PatternMatchJoin register.
Table 3: PatternMatchJoin Register Nibble Functions
Nibble (binary)
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
Figure 3:
b
b
b
b
b
b
b
b
b
b
b
[3:0]
[7:4]
[11:8]
[15:12]
[19:16]
[23:20]
Pattern matching join function
Rev. 4.0 — 03 December 2007
Name
a & b
a & !b
!a & b
!a & !b
!(a & b)
!(a & !b)
!(!a & b)
!(!a & !b)
a ^ b
!(a ^ b)
a
Chapter 23: LAN100 — Ethernet Media Access Controller
Join01
&, |, !
Join012
&, |, !
Join0123
Join12
Function
Logic AND
Logic AND NOT
Logic NOT AND
Logic NOT AND NOT
Logic NOT OR NOT
Logic NOT OR
Logic OR NOT
Logic OR
Logic XOR
Logic XNOR
Feedthrough a
&, |, !
&, |, !
Join123
&, |, !
PNX15xx/952x Series
Join23
&, |, !
Figure
3. Each join module can
© NXP B.V. 2007. All rights reserved.
JoinXXXX
&, |, !
Table 3
lists
23-695

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