NS32FX164AV-25 National Semiconductor, NS32FX164AV-25 Datasheet - Page 55

• Manufacturer Part Number: NS32FX164AV-25
• Description: IC IMAGING COMM SGNL PROC PLCC68
• Manufacturer: National Semiconductor

Specifications of NS32FX164AV-25

• Processor Type: Advanced Imaging/Communications Signal Processor SIAP™
• Speed: 50MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Features: -
• Other names: *NS32FX164AV-25; Q1284286

3 0 Functional Description
Operation
Note The term (A
real X Y Z
real acc A
for (n 0
Z n
conversion of this product to a real accumulator data type rounding
is done if PARAM RND is ‘‘1’’ During the conversion of A to a real
data type the result is rounded if Y 0
must be specified as 0x7fff
e
A
A
0x0 The result with other values of Y 0 are unpredictable Y 1
(real acc) ((extended)A)
(real acc) (A * X n ))
(real) A
n
X n ) is a 32-bit by 16-bit multiplication During the
k
LENG
n
)
e
0x0080 or truncated if Y 0
FIGURE 3-13 DSP Module Block Diagram
Y n 2
(Continued)
55
3-14
3 5 SYSTEM INTERFACE
This
NS32FX164 interface to the external world Descriptions of
the CPU requirements as well as the various bus character-
istics are provided here Details on other device characteris-
tics including timing are given in Sections 4 2– 4 4 2
3 5 1 Power and Grounding
The NS32FX164 requires a single 5V power supply applied
on the V
by a power (V
The grounding connections are made on the GND pins
These pins should be connected together by a ground
(GND) plane on the printed circuit board
Both power and ground connections are shown in Figure
section
CC
pins These pins should be connected together
CC
provides
) plane on the printed circuit board
general
information
TL EE 11267– 25
on
the