user.manual.2005-1.t..
Contents
1. Remote CRIT mask The T CRIT output will be activated by remote temperature that exceeds the remote T CRIT setpont when thia bit is LOW The T_CRIT output wall mot be activated under this condibon when this bit if HIGH Hol defined Defaults to 77 Local T CRIT mask The T CRIT output will be activated by local temperature that exceeds the local T CRIT setpom when this bit ia LOW The au put will nct be activated under this condition when this bit t HIGH Hot defined Defaults to D Fault Queue A single remote temperature measurement the HIGH LOAN or T CRIT setpoints will tigger outside limit condition resulting in setting the status bits and associated output pins when this bit is LOW Three consecutive measurements outside of of hese setponits are required io trigger an outside of limit condition when this Est is HIGH Name Function BUSY When 1 A D busy converting When T Indicates Local HIGH temoerature LLEW When 1 indicates a Local LOW temperature alarm RHIGH When 71 indicates a Remote Diode HIGH l rmperalure RLOW When 71 indicates a Remate Diode LOW temperature aam OPEN When T indicates Remote Diode disconnect RCRIT When 1 indicates a Remote Diode Critical Temperature alam When 1 indicates a Local Cribcal Temperature alarm 21 2 2005 1 Demonstration Board Oct 20062. Status Register _ Loca HIGH Seat 8 os fisento sense 8 Remote HIGH Setpoint High Byte 0000 0000 Remote LOW Setpoint High Byte RW Mam register initiate a one shot conversion Remote Temperaire Bye R 9 ew R s s esessseeiior EE i 000 Remote LOW Setpoint Low Byte 3 MSBs RW s wer Re Sapa rr cei a 01059 _ T_CRIT Hysteresis 0000 0000 Local Temperature E 8 orn Aene E RW 10100001 Read Manufacturer s ID 8 R 00000000 Read Stepping or Die Revision ow 20 2 2005 1 Demonstration Board Oct 2006 Configuration and Status Registers otatus Register 1Byte Read addr 02h Write addr N A Configuration Register 1 Byte Write addr 09h Read addr O3h POR epa E ALERT mask The ALERT interrupt is enabled when this bit LOW The ALERT interrupt iz disabled masked when this bit is AGH RUN STOP Standby or run mode control Running mode is enabled when thes bit is LOW S amp 56D04 X is in standby mode when this bit if HIGH Hot defied Defaults to 07 zero
3. 2 2005 1 Demonstration Board Oct 2006 Excellent Accuracy Characteristic SE98 Temperature Accuracy 25 Devices Tested 3 3 V From 25 Devices emperature accuracy 15 well controlled over the entire temperature range Lot to lot variation may shift the accuracy up or down Temperature Accuracy C C SF CO CN Temperature C 4 2 2005 1 Demonstration Board Oct 2006 Temperature Accuracy Versus Resolution Temperature Accuracy Temperature Resolution Accuracy and error are used Is the measure of temperature synonymously and is the measure of sensors smallest measuring step how precisely the temperature sensor reading matches the ambient temperature Example of 0 125 C resolution Example 2 accuracy Actual measured Temperature 75 125 C perature 73 77 C Ambient Temperature 5 2 2005 1 Demonstration Board Oct 2006 Comparator versus Interrupt Mode TEMPERATURE EVENT in Interrupt mode EVENT in Comparator mode EVENT in Critical Temp only mode Comparator mode EVENT output is cleared by itself once the temperature drops below the setpoints Interrupt mode EVENT output is latched and only cleared by writing to the clear event bit 6 2 2005 1 Demonstration Board Oct 2006 Configuration Register Critical Lock
4. founded by Philips 2 2005 1 Demonstration Board Temperature Sensors Oct 2006 Local versus Remote Temperature Sensors Local Temperature Sensor Local amp Remote Temperature Sensor Senses own die temperature senses own die temperature AND that of the remote diode sensor Remote Diode Sensor Local Sensor Remote Sensor Accuracy Accuracy Part amp Accuracy SMBUS TIMEOUT NO 290 YES Note with voltage monitors 2 2 2005 1 Demonstration Board Oct 2006 SE98 Local Temperature Sensor Local temperature sensor compliant to JEDEC JC42 4 SE98 accuracy of 2 C 75 to 90 C 11 bit 0 125 C resolution With SMBus TIMEOUT amp Security lock bits 0 TC 1 5 C 3 C 6 C programmable hysteresis 8 Hz minimum conversion rate threshold EVENT output associated with alarms upper lower and critical Block Diagram gt Security lock bit for data protection Operating voltage range from 3 0 V to 3 6 V 0 Maximum operating current 250 uA 2 wire SMBus or standard fast mode compatible Programmable SMBus Alert Response and TIMEOUT 2 Operating temperature range from 20 C to 125 C Under programmable I C address pins 0011 A2 A1 AQ 7 ma Offered in TSSOP8 HVSONS package Over Temperature o A vd gt 2 Note 3mm x 3mm
5. n r n Remote T crit Enabled O SIO Local Ticrit Enabled LCS 0x55 TH joxoa RCS 0x55 Fault Queue single a Write Read Write Read Write Read Write Read Conversion Rate CR Remote Temperature Offset C Offset reg RMID Autowrite Write Read ID ROR 16 Hz m Cyclic read hv One Shot 5 ae m Autamatic Write Hardware Mok Detected 3 3V off 5 0 off 1 shot 23 2 2005 1 Demonstration Board Oct 2006 we P 10 17 pe 2 2005 1 Demonstration Board Oct 2006 SA56004 Exercise select cyclic read Read the status and configuration registers What are the bits all bits should be clear set the remote high set point register to 50 C Set remote low set point to 10 C and remote T CHIT to 60 C Place the remote sensor diode in the hot water and record the remote temperature reading Read the status register Which bit is asserted External high temp bit is set Place the remote sensor diode in a cup of ice water for 2 minutes or more Read the status register Which bit s is asserted External low temp bit is set Read the local temperature value Room temperature Put the device in standby mode place your finger over the SA56004 What happens to the local and remote temperature reading No change Keep the finger on the SA56004 a
6. 3 4 7 8 oet the upper alarm to 27 C Confirm what you wrote is correct oet the critical temperature to 70 C Confirm what you wrote is correct Write to configuration register to enable the EVENT output Head what you ve just wrote Heat up SE98 and read the configuration register Head the temperature value 16 2 2005 1 Demonstration Board Oct 2006 Solution Win I2CUSB Lite 5298 exercise Ext File Edit Device Options Window Help gt d 55 GPIO High Input Low Read Msg Start Address R Data Stop Delay Notes 1 ST at Write 02 01 70 Yes Program upper alarm to 27 ac 2 ST 30 Read 01 0 Tes 0 Read upper alarm register 3 ST E Write 04 08 70 0 Program critical temp 70 ac 4 ST 30 Read 08 0 Tes 0 Read critical alarm register 5 ST 30 write 01 00 08 Yes 0 Enable EVENT output 6 ST 30 Read 00 08 Tes O Confirm what was written T ST at write 5 0 Set pointer to temperature data 8 ST 30 Read 41 Tes 0 Read temperature data Wiin I2CL5B Lite limitations Addresses limited to those on Philips 121 board 8 Messages or rows 8 data bytes per message 128 bytes in Full version of Win IzcLll5B 17 2 2005 1 Demonstration Board Oct 2006 ww 5 56004 Local amp Remote Temp Sensor Monitors remote and local temperatures
7. Accuracy of 1 C remote temperature sensin pU URN dla 9 With fan control 11 bit ADC or 0 125 C resolution Offset registers for the remote sensing accuracy ALERT T_CRIT output for interrupt fan control on off 2 wire SMBus 2 standard fast mode compatible E A Supports SMBus ALERT Response and TIMEOUT ze n One shot control for power saving 2 Programmable Fault Queue Diode fault detection Up to 8 different device addresses Offered in TSSOP MSOP 8 and 508 packages 18 pe 2 2005 1 Demonstration Board Oct 2006 5 56004 Block Diagram amp A56004X DNE SHOT REGISTER CONFIGURATION COMMAND REGISTER REGISTER TEM CONTROL T REGISTER SENSOR LOGIC CONVERSION _ LOCAL HIGH TEMP LOCAL TEMP HIGH REGISTER THRESHOLD LIMIT REG LOCAL TEMP LOCAL LOW TEMP LOCAL TEMP LOW HHESHOLD LIMIT REGISTER DATA REGISTER REMOTE TEMP 7 REMOTE HIGH REMOTE TEMP DATA REGISTER TEMP THRESHOLD HIGH LIMIT REG 18 L REMOTE LOW REMOTE TEMP HYSTERESIS TEMP THRESHOLD LOW LIMIT REG STATUS REGISTER OTP DEVICE ZMBu ADDRESS REGISTER ie T CRIT NTERRUPT SDATA SCLK 19 2 2005 1 Demonstration Board Oct 2006 5 56004 Registers REGISTER COMMAND BYTE IF FUNCTION i ACCESSIBILITY NAME READ WRITE ADDRESS ADDRESS 0000 0000 Local Temperature HIGH Byte RTHB 0000 0000 Remote Temperature HIGH Byte 2h
8. 3 1 aul Se ia nae t Tm ha ae dS i ca ee gt s n Er UNE nsu imi gp 3 50 COL 5 wr ord gy it ge e 59 adim 30 Kani ibe gaa Fe T TE I FERITI Board ep LT E ITA EL ES ga ELI 236 k ra Ll LT 3 zx du D m 5 d E m a Lad P MIT i m B LI m OQ 7 J P ea J E a PEE mp E lees d LES Lum HE IEF eS sra ent par Ioue vor os 2 A ii d hr emic 5 EE nen Wes hr A palm PATE hap Tt FT cia ZI 5 Wp Pores 5298 Software GUI Device gt Thermal Management gt 5298 Cyclic Head Temperature Reading ir Win I2CUSB Lite 5 98 Temperature Sensor Sm File Device Options window Help Device Device Address Temperature Register Address 0x30 gt 20 009 Address limited to 030 in Win 2CLISB Lite Temnerature Renister nynnnn Configuration 0x0000 act 0 Alarm Status bits SMBus Register time aut enabled
9. 5 56004 Training Board Schematic ALERT T CRIT Connects ES Shirase e zs 9538 ee i EH Port 7 8 A 4 mum am Hata ii di Status P a tt LEDs E P T CRIT 3 Status Us Exercise Sheet 3 TITLE Training Board 4 5 Datar 17 287 22 2 2005 1 Demonstration Board Oct 2006 5 56004 Software GUI Device Address 0x98 Local Temperature Remote temperature Win I2CUSE Lite 54560044 Temperature Sensor File Device Options Window Help Device Address Local Temperature C Status Reg 0x98 Address limited oxak in Vwin IzcLIsSB Lite Bm Status Register 0x00 Temperature Apc nat busy Int high temp not tripped HI H L W Int law temp not tripped Remote Temp Limits C G i a ee ds BL Remote HIGH Setpoint 70 000 C Limits Ext law temp not trippe External diode not open RHSHB 0x46 aLe J Mot PE Temp Remote LOW Setpoint 0 000 C Local Mat Critical Temp m Config Heg Read LLS joxoo Critical Configuration Write Write Read is interrupt enabled 7 3 Temperature Local T CRIT C CRIT Hysteresis Remote T CRIT C Limit 85 Hysteresis 10 C T_CRIT 85 C
10. Bit 0 alarm register not locked register value can be changed 1 alarm locked register cannot changed LARM Lock Bit 0 Alarm not locked upper and lower alarm can be modified 1 Alarm locked Wer alarm cannot be modified 0 no effect Hysteresis for alarm 0 Temp sensor shutdown mode 1 clear the event flag in interrupt peodesteresis disabled 1 Normal mode 01 hysteresis 1 c C Regist ris 2 Byte 10 RAW RAW RAW 2 1 0 a B AWLB CEVNT CVO EP EMD Reset __ access RW mw nw EVENT Status bit 0 not asserted Sees EVENT output control bit Critical EVENT Only mod 0 EVENT output disabled 0 Critical Alarm 5 1 EVENToutput enabled 1 Critical g up DE 2 2005 1 Demonstration Board Oct 2006 Address hex n a 00h 01h 02h 03h 04h 05h 06h 07h 08h to 21h 22h 23h to FFh SE98 Registers POR state hex n a 0015h 001 7h 0000h 0000h 0000h 0000h n a 1131h A100h 0000h 0000h 0000h Register name Pointer Register Capability Register B grade 001 h C grade 0015h Configuration Register Upper Boundary Alarm Trip Register Lower Boundary Alarm Trip Register Critical Alarm Trip Register Temperature Register Manufacturer ID Register Device ID Revision Register reserved registers SMBus Register reserved
11. Bus alert enabled Read Cyclic Read Write Read Disable hysteresis yer Boundary Alarm Trip C 0 00 c Capabhility xX XXX UBAT Ox0000 Read 0 Temp sensor on crit trip register not lacked Alarm Window not lacked jnufacturer ID 0x X XXX Config ration CL Event not cleared Write Read Read Auto amp Status C EVENT not asserted Lover Boundary Alarm Trip C ert write Registers 1 EVENT output disabled 000 B EE Alarm Critical Event EVENT output active low Ox0000 Automatic Write Write Read off Comparator Mode ical Alarm Trip C M Read 0 00 C Alarm 0 0000 Write All Read All setpoints Write Read Transmission successful Hardware Detected 100 kHz 2 12 2 2005 1 Demonstration Board Oct 2006 SE98 Hands On Device Initialization Set critical boundary alarm trip to 80 C boundary registers oet hysteresis to 1 5 Enable EVENT output Transmission Successful Indicates SE98 responding ir Win I2CUSB Lite 5298 Temperature Sensor Fie Options Window Help Device Address 0 3530 x dress limited to 0x30Nn Win l2CU5B Lite CRnfiguration x Nv 08 Enable hysteresis at 15820 Temp sensor on crit trip register not locked NI Alarm Window nat lacked Nevent not cleared ENT not asserted EVEN
12. registers 8 122 2005 1 Demonstration Board Oct 2006 Temperature Data Register Above Critical indicates whether the temperature exceeds the critical temperature 0 temp is below critical temperature 1 temp exceeds critical temperature Above ALARM window indicates whether the temperature exceeds the alarm temperature 0 temperature is below the upper alarm 1 temperature exceeds the upper alarm Below ALARM Window indicates whether the temperature falls below the lower alarm 0 temperature is above the lower alarm Sign bit 1 temperature falls below the Lower ALARM 0 positive temperature Register IS 26 yte 1 negative temperature 11 10 9 8 Bit symbol TEMP Reset 0 0 0 1 Access H R R ge Integer Decimal Reserved for future use Temperature Value 25 125 C 9 2 2005 1 Demonstration Board Oct 2006 SE98 Training Board Schematic HASTER 8 berueenm 1 and Z FASTER 1 between 2 and 3 5 98 Address 0x30 EVENT Output LED Visual status Interrupt input and outputs 10 2 2005 1 Demonstration Board Oct 2006 ion Hardware Introduct ining Board Tra 11 2 2005 1 Demonstration Board Oct 2006 adm i 3 a Fani F ETEA E Ho BE GC Rag INE A 34 BEH mr i PERO OU ETER SEE E D pedi Hor NE ME UH ee E ore wc Er dae qx wp pe
13. T nutput enabled Alarm Critical Event EVENT output active low Ol Comparator Write Read Transmisson successful Set upper boundary alarm trip to 27 C 8 Temperature Register 5SMBux Register 0x0000 Temperature 24 625 C wre TERS XS SMBus time out enabled Temperature Register O0x01684 7 SMBus alert enabled acr naw 1 paw Read Cyclic Read Write Read Upper Boundary Alarm Trip 26 ae 27 00 C Capability 020015 Read UBAT 1 Manufacturer ID 0x1131 Auto rite ON Write Read Read Boundary Alarm Trip C aa Device ID 0xA101 Read 0x0000 Automatic Write Write Read On Critical Alaim Trip C NE ns CAT 0x0500 Write All Read all Write Read Hardware Debeched 100 kHz 2 13 2 2005 1 Demonstration Board Oct 2006 5298 Hands on 2 EVENT output in Comparator versus Interrupt Mode 1 Visually check EVENT LED it should be OFF 2 Click on the Cyclic read for continuous temperature update 3 Heatup or place your finger over the SE98 for a few minutes for temperature to exceed 28 C the EVENT LED is ON 4 Cool down or remove your finger from the SE98 and wait for a 1 minute or 2 until the temperature drops below 28 C What happens to the EVENT LED now e EVENT LED is OFF 5 Change the EVENT output to Interrupt mode and repeat steps 1 4 What happens to t
14. he EVENT LED now EVENT LED is still ON 6 Clear the EVENT bit e EVENT LED is OFF Conclusion Comparator mode the EVENT output de asserted and LED is OFF when temperature falls within the ALARM window Interrupt mode the EVENT output stays asserted and LED is ON even after the emperature drops back within the ALARM window he output is cleared by writing to the event clear bit 14 2 2005 1 Demonstration Board Oct 2006 SE98 Hands on Security lock bits 1 Read the upper lower and critical alarm boundary trips registers What are their values Upper 28 oC Lower 0 C Critical 85 C 2 Change the upper lower and critical alarm boundary trip to 35 C 20 C and 125 C and read them back What are their values Upper 35 C Lower 20 Critical 125 C 3 Check the lock the Critical and lock alarm window bits 4 Change the upper lower and critical alarm boundary trips to 28 C 0 C and 85 and read them back What are their values change 5 Remove the power will reset remove the lock feature Conclusion lock bit protects alarm setpoint values Once lock bit is written you can only clear it by powering off the SE98 1 1 1 1 7 7 02 03 2 Is X 15 I2C 2005 1 Demonstration Board Oct 2006 Expert Mode Exercise Power off and on the board Use the Expert Mode write and verify the following codes 1 2
15. nd click on the one shot push button What happens to the local and remote temperature reading Updated to your body temperature 24 Expert Mode Exercise Power and off the board Use the expert mode write and verify the following codes 1 5209 2219 Program 5 56004 to standby STOP mode in the configuration register Program the pointer to the remote temperature register high byte Head the remote temperature data register high byte Program the pointer to the remote temperature register low byte Head the remote temperature data register low byte Issue a one shot command Read the remote temperature data high and low byte repeat steps 3 and 5 25 2 2005 1 Demonstration Board Oct 2006 Solution 7 Win IZCUSB Lite 56004 exercise Ext _ B x File Edit Device Options Window Help 2 x Ce Ee 1 ST aa Write 09 40 Yes 0 Read configuration register 2 ST aa write 01 Yes 0 Program pointer to remote kemp sensor high byte 3 ST aa Read 19 Yes 0 Read high byte 4 ST aa Write 10 Tes 0 Remote temperature low byte Ln jer Read CO Yes 0 Read remote temperature low byte b ST aa write DF 00 Yes 0 Initiate one shot command 26 122 2005 1 Demonstration Board Oct 2006 Temp Sensors Selection Table Accuracy Supply current Power Temperature Resolution range Supply Range Local Remote Operting SE 20 00125 2 0 WA 012570 LSB 80Vi
16. o36 V 1619 55 Cto 125 C 1 C LSB 2 8 V to 5 5 V 500uA 100 A 27 2 2005 1 Demonstration Board Oct 2006 Temperature Sensor Applications CONSUMER COMPUTING STORAGE 5 E sd amp Hut i gt al INDUSTRIAL THe 7 Server 28 2 2005 1 Demonstration Board Oct 2006
Download Pdf Manuals
Related Search
user.manual.2005 1.t..