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rev. 0.3 7/15 copyright ? 2015 by si licon laboratories SI535X-B20QFN-EVB SI535X-B20QFN-EVB si5350/51 20-qfn e valuation b oard u ser s g uide description the SI535X-B20QFN-EVB is used for evaluating the si5350/51 any-frequency, 0.0025C200 mhz cmos clock generator + vcxo. features ? fully-powered from a single usb port ? onboard 27 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 ? voltage supply jumpers provide easy access for use with external supplies functional block diagram jumper selectable vreg 1.8 v (vddo only) / 2.5 v / 3.3 v clk0 clk1 vddo0 vreg vreg vreg vreg* clk2 clk3 vddo1 clk4 clk5 vddo2 clk6 clk7 vddo3 si5350/51 i2c vreg* clkin xtal i2c bus vdd mcu usb connector status leds reset switch v c
SI535X-B20QFN-EVB 2 rev. 0.3 1. functional block diagram figures 1 and 2 highlight the main fe atures of the evb. the onboard mcu is responsible fo r programming the si535x timing ic, measuring the device's current consumption reported in the clockbuilder? desktop, managing power, and controlling status leds. vdd and vddo jumpers allow the opti on of choosing bet ween 1.8 (vddo only), 2.5, and 3.3 v or powering the device with exte rnal supplies (see section 2. jumpers for details). i 2 c jumpers allow the si535x to be disconnected from the i 2 c bus, allowing external control from another i 2 c master. the si5350 device on this board is a hybrid of the si 5350/51 a, b, and c variants. it can run in stand-alone asynchronous mode (si5350/51a) using the onboard 27 mhz xtal (y1), or it can be synchronized to an external clock using the clkin sma connector or test po ints (si5350/51c). it can also accept a v c input when in vcxo (si5350/51b) mode. note: evbs labelled "rev 1.1" or "rev 1.2" are populated with rev a devices. figure 1. evb features (front)
SI535X-B20QFN-EVB rev. 0.3 3 figure 2. evb features (back)
SI535X-B20QFN-EVB 4 rev. 0.3 2. jumpers the following jumpers are available on the evaluation board: ?? vdd connects the si5350/51 pin to the vdd voltage regulator (normally installed). ?? vdd volt_sel allows user to select a vdd voltag e of 2.5 v or 3.3 v (default 3.3 v). ?? vddoa connects the si5350/51 pin to the vddoa voltage regulator (normally installed). ?? vddoa volt_sel allows user to select a vddoa voltage of 1.8 (jumper removed), 2.5, or 3.3 v (default). ?? vddob connects the si5350/51 pin to the vddob voltage regulator (normally installed). ?? vddob volt_sel allows user to select a vddob voltage of 1.8 (jumper removed), 2.5, or 3.3 v (default). ?? vddoc connects the si5350/51 pin to the vddoc voltage regulator (normally installed). ?? vddoc volt_sel allows user to select a vddoc voltage of 1.8 (jumper removed), 2.5, or 3.3 v (default). ?? vddod connects the si5350/51 pin to the vddod voltage regulator (normally installed). ?? vddod volt_sel allows user to select a vddod voltage of 1.8 (jumper removed), 2.5, or 3.3 v (default). ?? scl connects the si5350/51 scl pin to the i 2 c bus from the mcu. removing the jumper breaks the connection to the mcu and allows the user to feed in an external i 2 c signal to the device. ?? sda connects the si5350/51 sda pin to the i 2 c bus from the mcu. removing the jumper breaks the connection to the mcu and allows the user to feed in an external i 2 c signal to the device. ?? ext power allows user to select between 5 v usb supply and 5 v external supply on j17. see figure 1 for jumper locations. 3. status leds there are three status leds on the evaluation board: ?? rdy (green)indicates that t he evb is operating normally. th is led should always be on. ?? busy (green)indicates that the on-board mcu is co mmunicating with the device and/or the usb host. ?? intr (red)indicates device or evb fault condition (also on wh en dut hasn't be en programmed). 4. clock inputs the evb can operate in asyn chronous mode using the onboard 27 mhz crystal, sy nchronous mode using an external cmos clock source, or both modes. an sma connector and test points are provided to interface an external clock source to clkin. additionally, in the si5350/51b mode, v c input can be applied to either the v c test point or sma connection. 5. clock outputs outputs can be measured using either sma cables attached directly to an oscilloscope (r ecommended) or with high impedance probes at the output clock test loops (tp53-tp60). clock voltage levels can be 1.8, 2.5, or 3.3 v depending on the vddox volt_sel jumper selection.
SI535X-B20QFN-EVB rev. 0.3 5 6. software guide the evaluation kit software toolset can be downloaded from www.silabs.com/si5351-evb . the toolset consists of the following two applications: ?? clockbuilder desktopused to set up and evaluate the part and to save custom register map files. ?? register programmerused to program individual registers on the evaluation board dut. 6.1. quick start 1. install the clockbuilder? desktop software and dr iver (assumes that microsof t .net framework 1.1 is already installed). 2. connect a usb cable from the evb to the pc. 3. leave the jumpers as installed from the factory, and launch the software by clicking on start ? programs ? silicon laboratories ? clockbuilder desktop. click on one of the shortcuts in the group. 6.2. clockbuilder desk top software installation the following sections describe how to install and use the software. there is a readme.tx t file with the installation files as well as a software user guide installed wi th the software. 6.2.1. system requirements ?? microsoft windows ? 2000, xp, vista, 7 ?? usb 2.0 ?? 3 mb of free hard drive space ?? 1024 x 768 screen resolution or greater ?? microsoft .net framework 1.1 ?? usbxpress 3. 1.1 driver note: usbxpress 3.1.1 driver is prov ided and installed with the software. newer or older versions of usbxpress available from other evb kits or online have no t been tested with this software. 6.2.2. microsoft .net framework installation the microsoft .net framework is requi red before installing an d running the software. details and installation information about the .net framework are available via a shortcut in the netframework directory or at the following web site: www.microsoft.com/downloads/details.aspx?familyid=262d25e3-f589-4842-8157- 034d1e7cf3a3&displaylang=en there are multiple versions of the .net framework available from microsoft, and they can be installed side-by-side on the same computer. the software requires version 1. 1 but can run under other versions. contact your system administrator for more details. 6.2.3. clockbuilder desktop software installation the clockbuilder desktop software is installe d from the clockbuilderdesktopswinstall.exe file. 1. double-click the insta ll file to start the wizard. 2. follow the wizard instruct ions to complete the installation for both the software and the driver. use the default installation location for best results. 3. after the installation is complete, click on start ? programs ? silicon laboratories ? clockbuilder desktop software. select one of the items in the menu including the user guide to get more details on how to run the software. 6.2.4. clockbuilder desktop software uninstall instructions close all the programs and help files before running the uni nstaller to ensure complete removal of the software. to uninstall the software, use the add and remove prog rams utility in the control panel or click start ? programs ? silicon laboratories ? clockbuilder desktop ? uninstaller note: the driver software must be uninstalled separately.
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, )ljxuh 6l0dlq
SI535X-B20QFN-EVB rev. 0.3 7 i2c interface status leds place d1 and d5 close to programming socket (u7). place d2, d3, and d4 near usb connector. board configuration place c26 and c27 as close as possible to pins u5.16 and u5.17 respectively. set p2.6 to high-z for vdd_prog=3.3v, o-d output low for vdd_prog=4.0v. mcu place c23 as close to pin u5.41 as possible. 2.7v to 5.5v 0.9v to 5.5v mcu programming adc mux0 adc mux1 usb external 5v0 +2.5v ref address is 1001100 address is 1001101 usb_d+ sda_mcu usb_d- usb_d+ en_i2c_5v en_i2c_5v sel_5350_prog 2v50_ref scl_mcu 1v25_ref brd_cfg0 brd_cfg3 brd_cfg2 p4_prg_drv p3_prg_drv p0_prg_drv brd_cfg1 sda_mcu 5v0_usb sda_5350_prg scl_5350_prg 2v50_ref scl_mcu sel_5350_prog 1v25_ref usb_d- 5v0_usb 3v3 3v3 3v3 5v0 5v0 5v0 5v0 3v3 5v0 vdd_prg 3v3 3v3 3v3 5v0 5v0 5v0 3v3 3v3 3v3 5v0 vdd_pin vddob_pin vddoc_pin vddod_pin vddoa_pin vdd vddob vddoc vddod vddoa 5v0 3v3 nen_vdd 4 nen_prog_volt 4 nen_vddo0 4 nen_vdd_prg 4 nen_vddo1 4 scl_5v sda_5v nen_vddo2 4 nen_vddo3 4 sda_5350_dut 2 scl_5350_dut 2 scl_5v sda_5v scl_5v sda_5v 5350_intr 2 + c28 10uf r551k d7 mmbd3004s-7-f r59 0 ni c26 0.1uf tp8 gpio_p2.7 r47 220 r49 1k c18 0.1uf adg728 u7 sda 3 resetb 2 s1 4 s2 5 s3 6 s4 7 d 8 a0 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 s1a 2 gnd 3 s2a 4 in2 5 s2b 7 vdd 8 s1b 9 d2 6 d1 red prog fail r52 0 ni d5 green rdy r41 0 u4 c8051f340 vdd 10 regin 11 gnd 7 vbus 12 d+ 8 d- 9 p0.0 6 p0.1 5 p0.2 4 p0.3 3 p0.4 2 p0.5 1 p0.6 48 p0.7 47 p1.0 46 p1.1 45 p1.2 44 p1.3 43 p1.4 42 p1.5 41 p1.6 40 p1.7 39 p2.0 38 p2.1 37 p2.2 36 p2.3 35 p2.4 34 p2.5 33 p2.6 32 p2.7 31 p3.0 30 p3.1 29 p3.2 28 p3.3 27 p3.4 26 p3.5 25 p3.6 24 p3.7 23 p4.0 22 p4.1 21 p4.2 20 p4.3 19 p4.4 18 p4.5 17 p4.6 16 p4.7 15 rst/c2ck 13 c2d 14 + c29 10uf c17 0.1uf r53 0 ni j19 5x2 shrouded header 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 c25 1uf r61 1.02k r36 1k c22 0.1uf d4 green busy r54 0 c30 1uf d6 mmbd3004s-7-f j18 usb type b +v 1 d- 2 d+ 3 gnd 4 sh 5 sh 6 tp5 scl red c35 0.1uf r42 1k r60 1.02k c20 0.1uf c24 4.7uf jp1 header 1x3 tp4 sda red c23 0.1uf r44 1k r37 1k r48 1.02k d3 red intr j17 conn trblk 2 1 2 tp7 gpio_p1.7 r57 0 c21 0.1uf r45 1.02k adg728 u6 sda 3 resetb 2 s1 4 s2 5 s3 6 s4 7 d 8 a0 16 s8 9 s7 10 s6 11 s5 12 vdd 13 gnd 14 scl 1 a1 15 r40 2k r38 1k r56 0 ni 2.5v u5 vout 1 gnd 2 vin 3 c32 0.1uf r46 220 c19 4.7uf d2 green prog pass r58 0 r39 2k c27 0.1uf pca9517d u2 vcca 1 scla 2 sdaa 3 gnd 4 vccb 8 sclb 7 en 5 sdab 6 figure 4. mcu and programming socket
SI535X-B20QFN-EVB 8 rev. 0.3 vdd 2.5v 3.3v power supplies vddoa vddob vddoc vddod vdd_prg 3v3 2.5v 3.3v 2.5v 3.3v 2.5v 3.3v 2.5v 3.3v 1.8v (jp3=n/c) 1.8v (jp4=n/c) 1.8v (jp2=n/c) 1.8v (jp6=n/c) 1.8v (jp5=n/c) vdd_pin vdd 5v0 vddob_pin vddob vddoc_pin vddoc 5v0 vddod_pin vddod 5v0 5v0 5v0 3v3 vdd_prg 5v0 5v0 vddoa_pin vddoa nen_vddo1 3 nen_vddo2 3 nen_vddo0 3 nen_vddo3 3 nen_vdd_prg 3 nen_vdd 3 nen_prog_volt 3 c52 0.1uf r90 20.0 j24 jumper 1 2 r72 20.0 r74 20.0 jp6 header 1x3 r84 5.90k r106 10k r103 9.53k + c55 10uf j22 jumper 1 2 + c65 10uf r86 4.42k + c46 10uf r107 2.55k c62 0.1uf c51 0.1uf jp5 header 1x3 r85 9.53k r91 20.0 jp2 header 1x3 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 tps76201 in 1 gnd 2 en 3 fb 4 out 5 c42 4.7uf jp3 header 1x3 r92 10k c64 0.01uf c58 0.1uf + c41 10uf c59 0.01uf u14 tps76201 in 1 gnd 2 en 3 fb 4 out 5 r95 10k c60 0.01uf c48 4.7uf u11 tps76201 in 1 gnd 2 en 3 fb 4 out 5 r76 10k jp4 header 1x3 c44 0.01uf r99 5.90k r79 100k r93 100k r81 5.90k r101 4.42k r75 10k c66 0.1uf c49 0.01uf r83 4.42k c61 0.01uf r100 9.53k r105 2.55k u10 tps76201 in 1 gnd 2 en 3 fb 4 out 5 r97 10k c63 0.1uf r87 5.90k r82 9.53k r80 100k c47 0.01uf j23 jumper 1 2 r102 5.90k u15 tps76201 in 1 gnd 2 en 3 fb 4 out 5 r89 4.42k j20 jumper 1 2 r77 100k r78 10k r104 4.42k r88 9.53k r96 100k figure 5. power supplies
SI535X-B20QFN-EVB rev. 0.3 9 8. bill of materials table 1. si535x bill of materials item qty reference value manufacturer manufacturer part number 1 5 c2,c5,c7,c8,c9 0.47 f venkel c0402x5r100-474k 2 1 c13 1nf venkel c0603x7r101-102k 312 c17,c18,c20,c21,c22,c23, c26,c27,c31,c32,c33,c35 0.1 f venkel c0402x7r100-104k 47 c19,c24,c42,c45,c48,c54, c56 4.7 f venkel c1206x7r100-475m 5 2 c25,c30 1 f venkel c1206x7r250-105k 610 c28,c29,c34,c41,c43,c46, c53,c55,c57,c65 10 f kemet b45196h5106m309 77 c44,c47,c49,c59,c60,c61, c64 0.01 f venkel c0603x7r160-103m 88 c50,c51,c52,c58,c62,c63, c66,c69 0.1 f venkel c0603x7r100-104k 98 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 inc. mmbd3004s-7-f 13 6 jp1,jp2,jp3,jp4,jp5,jp6 head er 1x3 samtec tsw-103-07-t-s 14 10 j5,j25,j26,j27,j28,j29,j30, j32,j33,j34 sma johnson com- ponents 142-0701-801 15 1 j11 header 2x2 samtec tsw-102-07-t-d 16 1 j17 conn trblk 2 phoenix con- tact 1729018 17 1 j18 usb type b tyco 292304-1 18 1 j19 5x2 shrouded header tyco 5103309-1 19 5 j20,j21,j22,j23,j24 jumper samtec tsw-102-07-t-s 20 15 r3,r4,r5,r8,r9,r23,r24,r51 ,r52,r53,r54,r56,r57,r58, r59 0 venkel cr0603-16w-000 21 1 r7 4.99k venkel cr0402-16w-4991f 22 4 r12,r13,r39,r40 2k venkel cr0603-10w-2001f 23 1 r26 100k venkel cr0603-10w-104j
SI535X-B20QFN-EVB 10 rev. 0.3 24 8 r36,r37,r38,r42,r44,r49, r50,r55 1k venkel cr0402-16w-102j 25 9 r41,r110,r111,r112,r113, r114,r115,r116,r117 0 venkel cr0402-16w-000 26 3 r43,r46,r47 220 venkel cr0402-16w-221j 27 4 r45,r48,r60,r61 1.02k venkel tfcr0402-16w-e-1021b 28 1 r67 412 venkel tfcr0402-16w-e-4120b 29 5 r72,r73,r74,r90,r91 20 venkel cr2512-1w-20r0d 30 7 r75,r76,r78,r92,r95,r97, r106 10k venkel cr0603-16w-1002f 31 6 r77,r79,r80,r93,r94,r96 100k venkel cr0603-10w-1003f 32 5 r81,r84,r87,r99,r102 5.90k venkel cr0603-16w-5901f 33 5 r82,r85,r88,r100,r103 9.53k venkel cr0603-16w-9531f 34 5 r83,r86,r89,r101,r104 4.42k venkel cr0603-16w-4421f 35 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 kobiconn 151-203-rc 40 10 tp4,tp5,tp53,tp54,tp55, tp56,tp57,tp58,tp59, tp60 red kobiconn 151-207-rc 41 4 tp7,tp8,tp9,tp52 white kobiconn 151-201-rc 42 4 tp38,tp39,tp48,tp49 turret m ill-max 2551-2-00 -44-00-00-07-0 43 1 u1 si5350x-b-gm silic on labs si5350x-b-gm 44 1 u2 pca9517d nxp pca9517d 45 1 u3 adg736brmz analog devices adg736brmz 46 1 u4 c8051f340 silabs c8051f340-gq 47 1 u5 2.5v analog devices ad1582brt 48 2 u6,u7 adg728 analog devices adg728bruz 49 7 u9,u10,u11,u12,u13,u14,u15 tps76201 ti tps76201dbv 50 1 y1 27mhz txc 7m-27.000meeq-t table 1. si535x bill of materials (continued) item qty reference value manufacturer manufacturer part number
SI535X-B20QFN-EVB rev. 0.3 11 9. approved crystals the crystals listed in table 2 have been approved for us e with the si5350/51 family of devices. note that this device has on-chip load capacitors that can be configured for 0, 6, 8, and 10 pf. for crystals with any other rated load capacitance, external capacitors may be required to achieve the best absolute accuracy. table 2. approved 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 cx3225sb27000d0fljz1 27 mhz sunny sp10115j6-25.000mhz 25 mhz 10 pf 15 ppm 30 ppm http://www.sunny-usa.com/ sp10115j6-27.000mhz 27 mhz ndk nx3225ga-25.000m-std-crg-2 25 mhz 8 pf 20 ppm 30 ppm http://www.ndk.com/en/ nx3225ga-27.000m-std-crg-2 27 mhz epson fa-238 25.0000mb-k 25 mhz 10 pf 50 ppm 30 ppm http://www.eea.epson.com/ txc 7m-27.000meeq 27 mhz 10 pf 10 ppm 10 ppm http://www.txc.com.tw
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