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MAX31723PMB1 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX31723PMB1 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 8 page DESIGNATION QTY DESCRIPTION C1 1 0.1FF Q10%, 16V X7R ceramic capacitor (0603) Murata GRM188R71C104KA01D C2 1 1FF Q10%, 10V X7R ceramic capacitor (0603) TDK C1608X7R1A105K J1 1 6-pin right-angle male header JP1 1 10-pin (2 x 5) straight male header DESIGNATION QTY DESCRIPTION R1–R4 4 150I Q5% resistors (0603) R5 1 4.7kI Q5% resistor (0603) R6 1 10kI Q5% resistor (0603) U1 1 Digital thermometer and thermostat (8 FMAXM) Maxim MAX31723MUA+ — 3 Shorting jumpers — 1 PCB: EPCB31723PM1 SUPPLIER PHONE WEBSITE Murata Electronics North America, Inc. 770-436-1300 www.murata-northamerica.com TDK Corp. 847-803-6100 www.component.tdk.com PIN SIGNAL DESCRIPTION 1 SS Chip enable. Must be asserted high for communication to take place for either the SPI or 3-wire interface. 2 MOSI When SPI communication is selected, this pin is the serial-data input for the IC. When 3-wire communication is selected, this pin carries bidirectional data between the host and the IC. 3 MISO When SPI communication is selected, this pin is the serial-data output for the IC. When 3-wire communication is selected, this pin carries the IC TOUT signal. 4 SCK Serial clock. Used to synchronize data movement on the serial interface for either the SPI or 3-wire interface. 5 GND Ground 6 VCC Power supply _________________________________________________________________ Maxim Integrated Products 2 MAX31723PMB1 Peripheral Module Component List Component Suppliers Note: Indicate that you are using the MAX31723PMB1 when contacting these component suppliers µMAX is a registered trademark of Maxim Integrated Products, Inc. Detailed Description SPI/3-Wire Interface The MAX31723PMB1 peripheral module can plug directly into a Pmod-compatible port (configured for SPI/3-wire) through connector J1. For information on SPI and 3-wire protocols, refer to the MAX31723 IC data sheet. The user selects between SPI and 3-wire communication protocols by setting the correct jumper configuration on JP2. See Figure 1 for proper jumper settings. Connector J1 provides connection of the module to the Pmod host. The pin functions and pin assignments adhere to the Pmod standard recommended by Digilent. Note that when this module is operating in 3-wire mode, the host- side interface must be configured as GPIO to allow for bit- banged communication. 3-wire mode has the advantage of freeing up an interface pin on the IC to allow for connec- tion to the thermostat/alarm output. See Table 1. The JP1 jumper block is used to configure the communi- cation mode with the host board. The peripheral module can communicate in either SPI or 3-wire mode. The cor- rect shunt settings are shown in Table 2 and Figure 1. Table 1. Connector J1 (SPI/3-Wire Communication) |
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