Cypress Semiconductor CY25566 Scheda tecnica - Pagina 6
Sfoglia online o scarica il pdf Scheda tecnica per Hardware del computer Cypress Semiconductor CY25566. Cypress Semiconductor CY25566 9. Cypress spread spectrum clock generator specification sheet
Stampa la paginaApplication Schematic
In this example, the CY25566 is being driven by a 75-MHz
reference clock.
S0 = 0 and S1 = 0 are programmed to select a BW of 2.5%.
(Refer to Table 1 and 2.)
S2 = 0 and S3 = 1 are programmed to select the Group 2
range.
Document #: 38-07429 Rev. *B
VDD
0.1 uF
75 MHz Clock source
1
XIN/CLKIN
16
XOUT
2
REFOFF
VDD
10
SSCC
7
S3
6
S2
12
S1
13
S0
VSS
5
Figure 4. Application Schematic
V
= 3.30 VDC.
DD
SSCLK1a = 75 MHz @ 2.5% center spread modulation.
SSCLK1b = 75 MHz @ 2.5% center spread modulation.
SSCLK 2 = 37.5 MHz @ 2.5% center spread modulation.
REFOUT = 37.5 MHz non-modulated clock.
4
VDD
3
REFOUT
REFOUT
15
SSCLK2
SSCLK2
CY25566
8
SSCLK1a
SSCLK1a
9
SSCLK1b
SSCLK1b
VSS
VSS
11
14
CY25566
Page 6 of 9
[+] Feedback