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DSA504RT Datasheet(PDF) 14 Page - Microchip Technology

Part # DSA504RT
Description  Low-Power, Low-Jitter, Six-Output Clock Generator for Space Applications
PDF  73 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

DSA504RT Datasheet(HTML) 14 Page - Microchip Technology

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DSA504RT
Functional Description
 Preliminary Data Sheet
© 2025 Microchip Technology Inc. and its subsidiaries
DS50004033A - 14
programmed at register field sel_gpiox_func to perform a specific function as described in the
following table.
Table 3-1. GPIO Pin Function
Selection
0-31 (5 bits)
Function
Direction
Function Description
Comment
0
OFF
Input
No GPIO Function
GPIO function OFF
1
OE0
Input
OE OUT0
L=OFF, H=ON (default)
(Note 3)
2
OE1
Input
OE OUT1
L=OFF, H=ON (default)
(Note 3)
3
OE2
Input
OE OUT2
L=OFF, H=ON (default)
(Note 3)
4
OE3
Input
OE OUT3
L=OFF, H=ON (default)
(Note 3)
5
OE4
Input
OE OUT4
L=OFF, H=ON (default)
(Note 3)
6
OE5
Input
OE OUT5
L=OFF, H=ON (default)
(Note 3)
7
OE0-5
Input
OE OUT0-5
L=OFF, H=ON (default)
(Note 3)
8
OE0-2
Input
OE OUT0-2
L=OFF, H=ON (default)
(Note 3)
9
OE3-5
Input
OUT3-5
L=OFF, H=ON (default)
(Note 3)
10
FS0
(Note 1)
Input
Frequency Select using
back-end dividers (BEDx).
6-bit register SEL_GPIO_FS0_BED with LSB (bit 0)
associated with BED0 and MSB (bit 5) associated with
BED5:
If bit = 0: associated frequency plan A BED selected
(default)
If bit = 1: associated frequency plan B BED selected
Example:
SEL_BANK_BED = 010110 corresponds to:
OUT0 = A0, OUT1 = B1, OUT2 = A2, OUT3 = B3, OUT4
= B4, OUT5 = A5
11
FS1
(Note 1)
Input
Frequency Select
Frequency Plan A or
B: APLL LC-VCO, APLL
FB, FracDiv1-2, IntDiv1-2,
MUX0-5, BEDiv0-5
L=Frequency Plan A at OUT0-5 H=Frequency Plan B
at OUT0-5
12
SS0
Input
Spread Spectrum FD1
SS0=L=OFF (default) SS0=H=ON
(Note 4)
13
SS1
Input
Spread Spectrum FD2
SS1=L=OFF (default) SS1=H=ON
(Note 4)
14
SS2
Input
Spread Spectrum FD1 &
FD2
SS2=L=OFF (default) SS2=H=ON
(Note 4)
15
SS3
Input
Spread Spectrum
Multiplier FD1 & FD2
SS3=L=1x (default) SS3=H=2x
(Note 4)



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