general description the MAX44000PMB1 peripheral module provides the necessary hardware to interface the max44000 ambient and infrared proximity sensor to any system that utilizes pmod k -compatible expansion ports configurable for i 2 c communication. the ic combines a wide-dynamic range ambient light sensor with an integrated infrared (ir) proximity sensor. the on-chip ambient light sensor has the ability to make wide dynamic range 0.03 lux to 65,535 lux measurements. an on-chip ir proximity detector is matched with an integrated ir led driver. all readings are available on an i 2 c communication bus. refer to the max44000 ic data sheet for detailed informa - tion regarding operation of the ic. features s ambient light sensor s close range proximity detector s integrated single-pulse ir led driver s 6-pin pmod-compatible connector (i 2 c) s example software written in c for portability s secondary header allows daisy-chaining of additional modules on the i 2 c bus s rohs compliant s proven pcb layout s fully assembled and tested _________________________________________________________________ maxim integrated products 1 19-6335; rev 0; 5/12 ordering information appears at end of data sheet. MAX44000PMB1 peripheral module pmod is a trademark of digilent inc. MAX44000PMB1 peripheral module for pricing, delivery, and ordering information, please contact maxim direct at 1-888-629-4642, or visit maxims website at www.maxim-ic.com.
designation qty description r1, r2, r3 3 150 i q 5% resistors (0603) r4 1 33 i q 5% resistor (0603) r5, r6, r7 3 4.7k i q 5% resistors (0603) u1 1 ambient and ir proximity sensor (6 otdfn-ep*) maxim max44000gdt+ 1 pcb: epcb44000pm1 supplier phone website murata electronics north america, inc. 770-436-1300 www.murata-northamerica.com osram opto semiconductors 888-446-7726 www.osram-os.com tdk corp. 847-803-6100 www.component.tdk.com designation qty description c1 1 2.2 f f q 10%, 10v x5r ceramic capacitor (0603) tdk c1608x5r1a225k/0.80 c2 1 0.1 f f q 10%, 16v x7r ceramic capacitor (0603) murata grm188r71c104ka01d j1 1 6-pin right-angle male header j2 1 8-pin (2 x 4) straight male header led1 1 70ma, 1.6v, 860nm ir led (midled) osram sfh4651 pin signal description 1 n.c. not connected 2 int interrupt. open-drain output from module that is pulled low when an interrupt condition occurs (e.g., when ambient lux readings exceed threshold limits for a period greater than that set by the time register). 3 scl i 2 c serial clock 4 sda i 2 c serial data 5 gnd ground 6 vcc power supply pin signal description 1 scl i 2 c serial clock 2 sda i 2 c serial data 3 gnd ground 4 vcc power supply 5 scl i 2 c serial clock (same as pin 1 above) 6 sda i 2 c serial data (same as pin 2 above) 7 gnd ground 8 vcc power supply _________________________________________________________________ maxim integrated products 2 component suppliers note: indicate that ou are using the mpm hen contacting these component suppiers. component list table 1. connector j1 (i 2 c communication) table 2. connector j2 (i 2 c expansion) * ep exposed pad. detailed description i 2 c interface the MAX44000PMB1 peripheral module can interface to the host in one of two ways. it can plug directly into a pmod-compatible port (configured for i 2 c) through con - nector j1, or in this case, other i 2 c boards can attach to the same i 2 c bus through connector j2. i 2 c interface (daisy-chaining modules) alternatively, the peripheral module can connect to other i 2 c-based pmod modules using a 4-conductor ribbon cable connecting to the j2 connector. in this situation, pins 1-4 and 5-8 on j2 provide two connections to the i 2 c bus, allowing the module to be inserted into an i 2 c bus daisy-chain. connector j1 provides connection of the module to the pmod host. the pin assignments and functions adhere to the pmod standard recommended by digilent. see table 1. the j2 connector allows the module to be connected through a daisy-chain from another i 2 c module and/or provide i 2 c and power connections to other i 2 c modules on the same bus. see table 2. MAX44000PMB1 peripheral module
gn d v cc2 gn d sd a scl in t vc c2 led 1 led -sfh 4651 v cc2 v cc2 gn d gn d scl sd a gn d vc c r5 4.7k vc c2 v cc2 r6 4.7k in t 1 2 3 4 5 6 j1 r1 150 r2 150 r3 150 r4 33 v cc2 c1 2.2uf r7 4.7k c2 0.1uf 1 2 3 4 5 6 7 8 j2 vd d 1 gn d 2 dr v 3 in t 4 scl 5 sd a 6 ep u1 ma x 44000gd t+ _________________________________________________________________ maxim integrated products 3 software and fpga code example software and drivers are available that execute directly without modification on several fpga devel - opment boards that support an integrated or synthe - sized microprocessor. these boards include the digilent nexys 3, avnet lx9, and avnet zedboard, although other platforms can be added over time. maxim provides complete xilinx ise projects containing hdl, platform studio, and sdk projects. in addition, a synthesized bit stream, ready for fpga download, is provided for the demonstration application. the software project (for the sdk) contains several source files intended to accelerate customer evalu - ation and design. these include a base application (maximmodules.c) that demonstrates module function - ality and uses an api interface (maximdevicespecific utilities.c) to set and access maxim device functions within a specific module. the source code is written in standard ansi c format, and all api documentation including theory/operation, register description, and function prototypes are documented in the api interface file (maximdevicespecificutilities.h & .c). the complete software kit is available for download at www.maxim-ic.com . quick start instructions are also available as a separate document. figure 1. MAX44000PMB11 peripheral module schematic MAX44000PMB1 peripheral module
_________________________________________________________________ maxim integrated products 4 figure 2. MAX44000PMB11 peripheral module component placement guidecomponent side figure 3. MAX44000PMB11 peripheral module pcb layoutcomponent side figure 4. MAX44000PMB11 peripheral module pcb layoutinner layer 1 (ground) MAX44000PMB1 peripheral module
_________________________________________________________________ maxim integrated products 5 figure 5. MAX44000PMB11 peripheral module pcb layoutinner layer 2 (power) figure 6. MAX44000PMB11 peripheral module pcb layoutsolder side figure 7. MAX44000PMB11 peripheral module component placement guidesolder side MAX44000PMB1 peripheral module
part type MAX44000PMB1# peripheral module _________________________________________________________________ maxim integrated products 6 ordering information # denotes rohs compliant. MAX44000PMB1 peripheral module
revision number revision date description pages changed 0 5/12 initial release maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a maxim product. no circuit patent licenses are implied. maxim reserves the right to change the circuitry and specifications without notice at any time. maxim integrated products, 120 san gabriel drive, sunnyvale, ca 94086 408-737-7600 7 ? 2012 maxim integrated products maxim is a registered trademark of maxim integrated products, inc. revision history MAX44000PMB1 peripheral module
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