background image

Si535x-B20QFN-EVB

6

Rev. 0.3

7.  Si535x-B20QFN-EVB Schematics

Place Y1 as close to pins U1.1 and U1.2 as possible.

Remove ground plane from underneath the crystal.

Place R24/C13 as close to

pin U1.3 as possible.

Place R109/C69 as close

to U1.6 as possible.

CLKin must be 50-Ohm stripline.

9''2%

9''

9''2&

9''2'

9''2$

9

9

9

6'$BB'87

6&/BB'87

B,175

73

7XUUHW

*1'

73

&/.

1,

& S)

1,

0+]

<

;7$/

*1'

;7$/

*1'

73

7XUUHW

9F

&

X)

-

60$

5

-

60$

5

5

5

5

73

&/.

1,

5

5

73

*1'

5

.

& S)

1,

73

*1'

73

7XUUHW

*1'

1,

73

3

73

&/.

1,

73

7XUUHW

&/.LQ

1,

&

X)

5

.

&

X)

73

*1'

-

60$

-

60$

-

60$

& S)

1,

5

8

6L;%*0

9''

;$

;%

6&/

6'$

*1'B3$'

&/.

&/.

&/.

&/.

&/.

&/.

&/.

&/.

9''2$

9''2%

9''2&

9''2'

3

9F

&/.LQ

73

&/.

1,

& S)

1,

5

.

1,

73

&/.

1,

-

60$

-

60$

-

60$

5

73

&/.

1,

& S)

1,

5

.

& X)

5

5

5

1,

&

X)

& S)

1,

73

&/.

1,

73

*1'

&

X)

1,

5

-

60$

-

60$

5

5

& S)

1,

73

&/.

1,

& S)

1,

5

&

Q)

1,

Fi

gure

3.

Si5

35

0/51 

Ma

in

Summary of Contents for Si5350/51-B20QFN-EVB

Page 1: ...MHz crystal for asynchronous operation SMA and test point hook for interfacing to an external clock reference Jumper selectable VDD and VDDOx allows device to operate at 1 8 VDDO only 2 5 or 3 3 V Vol...

Page 2: ...ce with external supplies see Section 2 Jumpers for details I2 C jumpers allow the Si535x to be disconnected from the I2 C bus allowing external control from another I2 C master The Si5350 device on t...

Page 3: ...Si535x B20QFN EVB Rev 0 3 3 Figure 2 EVB Features Back...

Page 4: ...ed in an external I2C signal to the device SDA Connects the Si5350 51 SDA pin to the I2 C bus from the MCU Removing the jumper breaks the connection to the MCU and allows the user to feed in an extern...

Page 5: ...ework Installation The Microsoft NET Framework is required before installing and running the software Details and installation information about the NET Framework are available via a shortcut in the N...

Page 6: ...close to U1 6 as possible CLKin must be 50 Ohm stripline 9 2 9 9 2 9 2 9 2 9 9 9 6 B B 87 6 B B 87 B 175 73 7XUUHW 1 73 1 S 1 0 7 1 7 1 73 7XUUHW 9F X 60 5 60 5 5 5 5 73 1 5 5 73 1 5 S 1 73 1 73 7XUUH...

Page 7: ...0 16 S8 9 S7 10 S6 11 S5 12 VDD 13 GND 14 SCL 1 A1 15 TP9 MCU_ADC R51 0 R43 220 S1 SW PUSHBUTTON C31 0 1uF C33 0 1uF J11 HEADER 2x2 1 1 3 3 2 2 4 4 R67 412 R50 1K C34 10uF U3 ADG736BRMZ D1 10 IN1 1 S1...

Page 8: ...3 R73 20 0 C56 4 7uF C54 4 7uF R98 6 98K U12 TPS76201 IN 1 GND 2 EN 3 FB 4 OUT 5 J21 JUMPER 1 2 C45 4 7uF C57 10uF C43 10uF C53 10uF R94 100K U13 TPS76201 IN 1 GND 2 EN 3 FB 4 OUT 5 C50 0 1uF U9 TPS76...

Page 9: ...F Venkel C0603X7R100 104K 9 8 C70 C71 C72 C73 C74 C75 C76 C77 1 pF MuRata GRM1555C1H1R2CA01D 10 2 D1 D3 RED Panasonic LN1271RAL 11 3 D2 D4 D5 GREEN Panasonic LN1371G 12 2 D6 D7 MMBD3004S 7 F Diodes I...

Page 10: ...1 R98 6 98K Venkel CR0603 16W 6981F 36 2 R105 R107 2 55K Venkel CR0603 16W 2551F 37 1 R109 49 9 Venkel CR0603 16W 49R9F 38 1 S1 SW PUSHBUTTON Mountain Switch 101 0161 EV 39 4 TP3 TP20 TP61 TP62 BLACK...

Page 11: ...proved Crystals Mfr Part Number Freq Load Capacitance Initial Accuracy Stability over Temp Web Site Kyocera CX3225SB25000D0FLJZ1 25 MHz 8 pF 10 ppm 15 ppm http global kyocera com index html CX3225SB27...

Page 12: ...h which if it fails can be reasonably expected to result in significant personal injury or death Silicon Laboratories products are generally not intended for military applications Silicon Laboratories...

Reviews: