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ST ST72F651 Скачать руководство пользователя страница 6

Getting started

UM0452

6/30

2.2 Hardware

description

Figure 2.

Temperature sensor evaluation board

2.2.1 Components

Major blocks present on the board are:

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Temperature sensor SO-8 package: STDS75M2F/STLM75M2F

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Temperature sensor TSSOP-8 package: STDS75DS2F/STLM75DS2F

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Microcontroller : ST72F651AR6T1

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NAND Flash : NAND512W3A0AN6

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BLDC FAN: 5 V

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RTC: M41T81S

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Graphic LCD (122 X 32)

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Button battery: 3 V

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AC buzzer

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Power socket for external power supply

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USB jacket for USB connection

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Switches TS1 and TS2 to configure the address of the temperature sensor

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Power selection switch (S1) to select between external power and USB power

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Содержание ST72F651

Страница 1: ...B powered mode The configuration and operation of the evaluation board in both modes is explained in different sections To select the desired mode there is a power selection switch S1 on the board whi...

Страница 2: ...1 3 4 Behavior of FAN in standalone mode 11 3 5 Sequence of operation of evaluation board in standalone mode 12 4 USB power GUI mode of evaluation board 12 4 1 Getting started 12 4 2 Powering of board...

Страница 3: ...0 4 5 1 Dynamic mode 22 4 5 2 NAND mode 23 5 Behavior of LEDS and buzzer 24 5 1 Power status LEDs 24 5 2 Application LEDs 25 5 3 Buzzer 25 5 4 Evaluation board schematic 26 5 5 Bill of material 27 6 R...

Страница 4: ...ult settings of TS1 to select TS2 on board 10 Figure 8 GUI on start up with board not connected 13 Figure 9 Board connected to GUI and status changed to connected in status bar 14 Figure 10 Temperatur...

Страница 5: ...ard includes the following items Hardware content One evaluation board Documentation User manual GUI installation file Table 1 Abbreviations Word Abbreviation BLDC Fan Brushless direct current fan GUI...

Страница 6: ...F Temperature sensor TSSOP 8 package STDS75DS2F STLM75DS2F Microcontroller ST72F651AR6T1 NAND Flash NAND512W3A0AN6 BLDC FAN 5 V RTC M41T81S Graphic LCD 122 X 32 Button battery 3 V AC buzzer Power sock...

Страница 7: ...ection switch to select external power 2 USB powered mode selection To select for USB powered mode plug out the external power supply and then turn the power switch as shown in Figure 4 Then plug in t...

Страница 8: ...not Power to board is selected through the power selection switch S1 3 2 Address selection on the evaluation board There are a total of 6 address switches on the board three for temperature sensor 1 T...

Страница 9: ...andalone mode seven addresses are allowed for TS1 These addresses are 0x90 0x92 0x94 0x96 0x98 0x9A 0x9C 3 The allowed addresses and their settings for TS1 are as follows Address 1 0x90 A2 0 A1 0 A0 0...

Страница 10: ...nfiguration of TS2 using the switches To select the temperature sensor 2 TS2 follow these steps 1 Put all switches of TS1 A0 A1 A2 to logic level 1 as shown in Figure 7 Figure 7 Default settings of TS...

Страница 11: ...alone mode 3 4 Behavior of FAN in standalone mode There is a 5 V BLDC FAN present on the board Whenever the temperature measured by the sensor rises above the Tos 29 degree C in standalone case value...

Страница 12: ...error message on the LCD appears as DEVICE ERR in which case place the device in the socket configure the address lines and then press the reset button to start the application 4 USB power GUI mode of...

Страница 13: ...ct USB power mode as explained in Figure 4 2 Plug the USB cable in the USB socket J2 on the board As soon as the USB cable is plugged in the red LED lights up Note This LED USB shows only that power i...

Страница 14: ...the GUI it shows the Mass storage mode in status bar Once the board is connected to GUI and the status changes to connected in status bar press the temperature sensor mode selection button in the tool...

Страница 15: ...ture sensor follow these steps 1 Put all switches of TS2 A0 A1 A2 to logic high that is assign address 0x9E to TS2 2 Then using the TS1 switches assign any of the remaining 7 addresses to the TS1 sens...

Страница 16: ...he drop down menu of Choose Address If the address sent by the GUI does not match the address setting done on the board an error message pops up on GUI as shown in Figure 12 in which case check the ad...

Страница 17: ...UM0452 USB power GUI mode of evaluation board 17 30 Figure 12 Address error message display on GUI Figure 13 Active temperature sensor window...

Страница 18: ...WRITE button to program the sensor with the selected value Figure 14 shows the settings 2 Oversaturation register Tos This register is used to enter the oversaturation temperature Enter the desired te...

Страница 19: ...values back from the sensor present on the board As soon as the address is checked the registers show the default settings in this window Note Setting of temperature values uses the following order f...

Страница 20: ...ard a Default state alarm off b FAN starts running for T Tos alarm turns YELLOW c FAN starts running at full speed for T Tmax for FAN alarm turns RED 4 4 RTC mode of GUI 4 4 1 RTC date and time settin...

Страница 21: ...atus of the RTC window is shown in Figure 15 Figure 15 RTC window 4 5 Plotter mode There is plotter icon in the toolbar Click on this icon to open the plotter application on GUI This plotter can be us...

Страница 22: ...the next reading is taken and plotted on the graph 3 Click on the Play button in the toolbar which opens the plotter and starts plotting the graph as shown in Figure 16 4 To stop the plotting click on...

Страница 23: ...KB of NAND Flash can be used for data logging The percentage of NAND used is shown by the status bar in the toolbar of the Plotter window The first status bar shows that data is being logged while th...

Страница 24: ...Overwrite NAND Flash overwrites the data in NAND Flash in the event that all 100 KB is used in which case the user loses the previously stored data Figure 18 Plotter window with NAND mode 5 Behavior o...

Страница 25: ...continuously and the alarm LED for the OS output of TS2 is shown by BUZZ LED 3 Buzzer LED This LED lights up whenever there is a buzzer alarm from TS2 5 3 Buzzer There is one buzzer present on the boa...

Страница 26: ...SCL XT2 32 768kHz C13 6pF C14 6pF VCC R14 10k R3 4k7 C5 100nF S2 RESET GND C4 100nF C7 100nF RTC Vddf ICC RESET ICCDATA ICCCLK VPP GND Vddf R9 10k R10 10k X1 1 X0 2 Vbat 3 GND 4 SDA 5 SCL 6 IRQ 7 VCC...

Страница 27: ...tal 12 MHz XTAL B Any Local Local 9 XT2 1 Crystal 32 768 kHz XTAL S Any Local Local 10 TS1 1 Temperatur e Sensor STDS75 STLM75 SO 8 ST STDS75M2F STLM7 5M2F ST 11 TS2 1 Temperatur e Sensor STDS75 STLM7...

Страница 28: ...Any Local Local 30 R3 R4 R 5 3 Resistance 4 7 k 805 Any Local Local 31 R9 R10 R12 R13 R14 R18 R27 7 Resistance 10 k 805 Any Local Local 32 R16 R19 2 Resistance 100 805 Any Local Local 33 R1 R2 R 8 3 R...

Страница 29: ...14 2 Capacitor 6 pF 805 Any Local Local 42 C15 1 Capacitor 330 nF 805 Any Local Local Table 6 BOM continued Item Des Qty Ref Value generic part number Package Manu facturer Manufacturer s ordering cod...

Страница 30: ...NTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION OR INFRINGEMENT OF ANY PATENT COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT UNLESS E...

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