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evaluates: max14724 MAX14724PMB1 peripheral module general description the MAX14724PMB1 peripheral module provides the necessary hardware to interface the max14724 8:4 matrix switch multiplexer to any system that utilizes pmod?-compatible expansion ports conigurable for i 2 c or spi communication. the ic can be powered from a single 1.6v to 5.5v supply or dual 2.5v supplies. the device features an 8:4 multiplexer that every switch combination can be selected through using i 2 c or spi. refer to the max14724 ic data sheet for detailed information regarding the operation of the ic. features 8:4 matrix switch multiplexer 50 controlled-impedance signal traces 12-pin pmod-compatible connector proven pcb layout fully assembled and tested ev kit contents peripheral module containing a max14724 19-7642; rev 0; 5/15 ordering information appears at end of data sheet. pmod is a trademark of digilent inc. MAX14724PMB1 evaluation kit board downloaded from: http:///
maxim integrated 2 www.maximintegrated.com evaluates: max14724 MAX14724PMB1 peripheral module detailed description the MAX14724PMB1 peripheral module provides a convenient way to evaluate the max14724 multiplexer. all pcb signal traces are 50 controlled impedance to allow easy impedance matching. the device can be programmed by using i 2 c or spi. the j1 connector provides connection to no_ ports (see table 1 ), while the j2 connector provides connection to com_ ports (see table 2 ). the MAX14724PMB1 can interface to the host by plugging directly into a pmod-compatible port (conigured for i 2 c or spi) through connector j3 (see table 3 ). table 2. connector j2 table 1. connector j1 table 3. connector j3 table 4. i 2 c slave address configuration pin signal 1 no1 2 no2 3 no3 4 no4 5 no5 6 no6 7 no7 8 no8 pin signal 1 comd 2 comc 3 comb 4 coma pin pmod pin signal description i2c/ cs = 1 i2c/ cs = 0 1 1 i2c/ cs i2c/ cs i 2 c select (high)/spi cs (low) 2 7 n.c. n.c. not connected 3 2 sda di i 2 c serial data/spi data input 4 8 n.c. n.c. not connected 5 3 add do i 2 c address bit/spi data output 6 9 n.c. n.c. not connected 7 4 scl sck i 2 c serial clock/spi serial clock 8 10 n.c. n.c. not connected 9 5 gnd gnd ground 10 11 v- v- negative supply voltage 11 6 v l v l logic supply voltage 12 12 v+ v+ positive supply voltage logic input i 2 c slave address add/do a6 a5 a4 a3 a2 a1 a0 (add) r/ w read write 0 1 1 1 0 1 0 0 1/0 0xe9 0xe8 1 1 1 1 0 1 0 1 1/0 0xeb 0xea downloaded from: http:///
maxim integrated 3 www.maximintegrated.com evaluates: max14724 MAX14724PMB1 peripheral module # denotes rohs compliant. ordering information component information see the following links for component information, pcb files, and schematics: max14724 ev bom max14724 ev pcb max14724 ev schematic part type MAX14724PMB1# peripheral module downloaded from: http:///
maxim integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim integrated product. no circuit patent licenses are implied. maxim integrated reserves the right to change the circuitry and speciications without n otice at any time. maxim integrated and the maxim integrated logo are trademarks of maxim integrated products, inc. ? 2015 maxim integrated products, inc. 4 evaluates: max14724 MAX14724PMB1 peripheral module revision history revision number revision date description pages changed 0 5/15 initial release for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxim integrateds website at www.maximintegrated.com. downloaded from: http:///
1 sh ee t : of 1 ap ril 201 5 a m ax 14724_ pmb 1_ evk it a db c title: r ev : drawn: dated: app ro va l dated: r ev ision: r ev ision: dated: dated: r ev ision: dated: r ev ision: dated: r ev ision: dated: r ev ision: dated: 5 4 3 2 1 pcb pa rt nu m be r: 1 comd 2 comc 3 comb 4 coma 5 no1 15 a dd /do 14 sda/di 13 scl/sck 12 no8 11 no7 16 v- 17 gnd 18 i2c/ cs # 19 vl 20 v+ 10 no6 9 no5 8 no4 7 no3 6 no2 u1 m ax 14724 etp+ j2-1 j2-2 j2-3 j2-4 12 3 4 5 6 7 8 j1 r2 100 k 1% r1 100 k 1% r3 100 k 1% 11 3 5 7 9 1 2 4 6 8 10 12 j3 c3 0.1uf 16 v tp1 v- tp3 gnd r4 100 k 1% c1 0.1f 16 v c2 0.1f 16 v tp2 v+ tp4 gnd vl scl/sck scl/sck a dd /do sda/di i2c/ cs # sda/di a dd /do v- v- vl vl v+ v+ i2c/ cs # downloaded from: http:///
1 of 6 board edge 1.0" date: rev all units are in 0.001" layer top silkscreen a max14724_pmb1_evkit 1 2 11 12 1 1 1 c3 j1 r1 r4 r3 c1 c2 j2 j3 r2 tp1 tp2 tp3 tp4 u1 r1 c3 r3 r4 c1 j1 c2 j2 r2 tp3 tp3x1 tp4 tp4x1 tp1 tp1x1 r1 r1x1 r1x2 c3 c3x1 c3x2 r3 r3x1 r3x2 j3 j3x1 j3x2 j3x3 j3x4 j3x5 j3x6 j3x7 j3x8 j3x9 j3x10 j3x11 j3x12 r4 r4x1 r4x2 c1 c1x1 c1x2 j1 j1x1 j1x2 j1x3 j1x4 j1x5 j1x6 j1x7 j1x8 c2 c2x1 c2x2 j2 j2x1j2x2 j2x3 j2x4 r2 r2x1 r2x2 tp2 tp2x1 u1 u1x1u1x2 u1x3 u1x4 u1x5 u1x6 u1x7 u1x8 u1x9 u1x10 u1x11 u1x12 u1x13 u1x14 u1x15 u1x16 u1x17 u1x18 u1x19 u1x20 u1x21 downloaded from: http:///
2 of 6 1.0" date: rev all units are in 0.001" layer component side a max14724_pmb1_evkit tp3 tp3x1 tp4 tp4x1 tp1 tp1x1 r1 r1x1 r1x2 c3 c3x1 c3x2 r3 r3x1 r3x2 j3 j3x1 j3x2 j3x3 j3x4 j3x5 j3x6 j3x7 j3x8 j3x9 j3x10 j3x11 j3x12 r4 r4x1 r4x2 c1 c1x1 c1x2 j1 j1x1 j1x2 j1x3 j1x4 j1x5 j1x6 j1x7 j1x8 c2 c2x1 c2x2 j2 j2x1j2x2 j2x3 j2x4 r2 r2x1 r2x2 tp2 tp2x1 u1 u1x1u1x2 u1x3 u1x4 u1x5 u1x6 u1x7 u1x8 u1x9 u1x10 u1x11 u1x12 u1x13 u1x14 u1x15 u1x16 u1x17 u1x18 u1x19 u1x20 u1x21 downloaded from: http:///
3 of 6 1.0" date: rev all units are in 0.001" layer a max14724_pmb1_evkit layer 2 gnd tp3 tp3x1 tp4 tp4x1 tp1 tp1x1 j3 j3x1 j3x2 j3x3 j3x4 j3x5 j3x6 j3x7 j3x8 j3x9 j3x10 j3x11 j3x12 j1 j1x1 j1x2 j1x3 j1x4 j1x5 j1x6 j1x7 j1x8 j2 j2x1j2x2 j2x3 j2x4 tp2 tp2x1 u1 u1x21 downloaded from: http:///
4 of 6 1.0" date: rev all units are in 0.001" layer a max14724_pmb1_evkit layer 3 pwr tp3 tp3x1 tp4 tp4x1 tp1 tp1x1 j3 j3x1 j3x2 j3x3 j3x4 j3x5 j3x6 j3x7 j3x8 j3x9 j3x10 j3x11 j3x12 j1 j1x1 j1x2 j1x3 j1x4 j1x5 j1x6 j1x7 j1x8 j2 j2x1j2x2 j2x3 j2x4 tp2 tp2x1 u1 u1x21 downloaded from: http:///
5 of 6 1.0" date: rev all units are in 0.001" layer solder side a max14724_pmb1_evkit tp3 tp3x1 tp4 tp4x1 tp1 tp1x1 j3 j3x1 j3x2 j3x3 j3x4 j3x5 j3x6 j3x7 j3x8 j3x9 j3x10 j3x11 j3x12 j1 j1x1 j1x2 j1x3 j1x4 j1x5 j1x6 j1x7 j1x8 j2 j2x1j2x2 j2x3 j2x4 tp2 tp2x1 u1 u1x21 downloaded from: http:///
6 of 6 1.0" 888-maxim-ic max14724_pmb1_evkit rev-a 04/15 amd date: rev all units are in 0.001" layer bottom silkscreen a max14724_pmb1_evkit www.maximintegrated.com x1 tp3 tp3x1 tp4 tp4x1 tp1 tp1x1 j3 j3x1 j3x2 j3x3 j3x4 j3x5 j3x6 j3x7 j3x8 j3x9 j3x10 j3x11 j3x12 j1 j1x1 j1x2 j1x3 j1x4 j1x5 j1x6 j1x7 j1x8 j2 j2x1j2x2 j2x3 j2x4 tp2 tp2x1 u1 u1x21 downloaded from: http:///
part reference qty description c1,c2,c3 3 capacitor cer 0.1uf 16v 10% x7r 0603 j1 1 8 pin straight male header j2 1 4 pin straight male header j3 1 12 pin right angle male header r1,r2,r3,r4 4 res 100k ohm 1% 0805 smd tp1 1 orange test point tp2 1 red test point tp3,tp4 2 black test point u1 1 ic 8:4 matrix switch multiplexer (max14724etp+) 1 pcb: epcb14724 bill of materials (bom) downloaded from: http:///

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