SCP1000 PCB3 VTI Technologies, SCP1000 PCB3 Datasheet

SENSOR I2C 30-120KPA PCB

SCP1000 PCB3

Manufacturer Part Number
SCP1000 PCB3
Description
SENSOR I2C 30-120KPA PCB
Manufacturer
VTI Technologies
Series
SCP1000r
Datasheet

Specifications of SCP1000 PCB3

Pressure Type
Absolute
Operating Pressure
4.35 ~ 17.40 PSI, 30 ~ 120 kPa
Output
Digital
Voltage - Supply
2.4 V ~ 3.3 V
Termination Style
Surface Mount
Operating Temperature
-20°C ~ 70°C
Package / Case
PCB Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
551-1044
Doc.Nr. 8260800.08
Product Family Specification
SCP1000 Series
Absolute pressure sensor
SCP1000-D01
SCP1000-D11

Related parts for SCP1000 PCB3

SCP1000 PCB3 Summary of contents

Page 1

... Product Family Specification Doc.Nr. 8260800.08 SCP1000 Series Absolute pressure sensor SCP1000-D01 SCP1000-D11 ...

Page 2

... If you are using old SCP1000 version (marked using P01 or P03), please use Product Family Specification rev. 0.06. Differences between the old and new SCP1000 version are described in Technical Note 59 (SCP1000 ASIC Update). Product marking VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 ...

Page 3

... TRIG – trigger pin.....................................................................................................................16 2.6 Power Down Mode and PD Pin ...............................................................................................16 2.7 Standby Mode ..........................................................................................................................16 2.8 Reset .........................................................................................................................................16 2.9 Clock .........................................................................................................................................16 3 Addressing Space .............................................................................................................17 3.1 Register Description................................................................................................................17 3.2 Direct Access Registers..........................................................................................................17 3.3 Indirect Access Registers .......................................................................................................20 VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 3/37 Rev.0.08 ...

Page 4

... Pin Description.........................................................................................................................33 7.2 Recommended Circuit Diagrams ...........................................................................................34 7.3 Recommended PWB Layout ...................................................................................................34 7.4 Assembly instructions ............................................................................................................36 7.5 Tape and reel specifications...................................................................................................36 7.6 Example flex print design .......................................................................................................36 8 Document Revision History .............................................................................................37 9 Contact Information ..........................................................................................................37 VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 4/37 Rev.0.08 ...

Page 5

... Two different serial interfaces are available: SPI and TWI (TWI is very 2 similar bus). The appropriate communication interface is pre-programmed in the factory. The register access protocol is independent on the selected interface. VTI Technologies Oy www.vti.fi Computation block ADC Temperature Pressure calculation ...

Page 6

... Average current consumption in low power mode depends on measurement resolution and trigger frequency. 1.2.5.5 Temperature output Temperature information is available in every measurement mode for each pressure measurement. VTI Technologies Oy www.vti.fi SCP1000-D01 SCP1000-D11 2.4 V – 3.3 V 2.4 V – 3 kPa – ...

Page 7

... CSB = DVDD S2) Delay 1 ms START- S1) CSB = DVDD YES See routine for start-up status check in Figure 3 SCP1000 is in standby Figure 2. SCP1000 start-up sequence. VTI Technologies Oy www.vti.fi POWER OFF STATE AVDD = DVDD = 0 V All I/ S1) CSB = 0 V Power NO management available? POWER ON & START-UP ...

Page 8

... Recommended value is 6 cycles when using 10 ms additional delay. If the start-up procedure is not finished successfully after the maximum number of STATUS register re-check cycles has expired, the start-up procedure has failed. VTI Technologies Oy www.vti.fi Increment loop counter ...

Page 9

... In the case that the temperature data is not needed, the time for servicing the DRDY interrupt can be extended. In any case, the DRDY interrupt must be serviced (the pressure data reading has to be completed) before the next pressure data update. VTI Technologies Oy www.vti.fi Activation code ...

Page 10

... Measurement mode selection The selection and activation of the measurement mode is done by writing the corresponding mode activation code (see Table OPERATION register, see section 3.2 for register details. The measurement mode selection and activation is illustrated in Figure 6 below. VTI Technologies Oy www.vti.fi Measurement and computation TEMP ...

Page 11

... TEMPOUT register (temperature data in bits [13:0] – in case the temperature data o is not needed this step can be omitted). read the DATARD8 register (bits [2:0] contain the MSB of the pressure data) o read the DATARD16 register (contains the 16 LSB of the pressure data) o VTI Technologies Oy www.vti.fi M1) M2) M3) Subject to changes Doc.Nr. 8260800.08 ...

Page 12

... B14 B13 ~[°C] s Data bit # TEMPOUT, 1 raw data TEMPOUT, 0 inverted data Add '1' (one LSB) to inverted TEMPOUT data Absolute value for 0 TEMPOUT data s = sign bit x = not used bit VTI Technologies Oy www.vti. ⋅ Pres [ dec ] dec ] = ⋅ Temp [ dec ] An example TEMPOUT bit pattern for positive temperature ...

Page 13

... PWL Pressure data output word-length TWL Temperature data output word- length T Measurement and computation time meas Output data refresh rate F meas Maximum time for servicing the T clr DRDY interrupt VTI Technologies Oy www.vti.fi Min Typ Max 2.4 2.7 3 – 14 – – 19 – ...

Page 14

... T Temperature measurement res resolution PWL Pressure data output word-length TWL Temperature data output word- length Output data refresh rate F meas Maximum time for servicing the T clr DRDY interrupt VTI Technologies Oy www.vti.fi Min Typ Max 2.4 2.7 3 – 14 – – 19 – – ...

Page 15

... Typical SCP1000 Current Consumption vs. Ext trigger frequency in Low power mode 0.5 1 Trig Freq [Hz] Figure 7. Typical current consumption in low power mode with 17 bit resolution. VTI Technologies Oy www.vti.fi CFG register content 0x05 0x0D Min 15 bits 2.4 Depends on 1 resolution and trigger frequency 15 – ...

Page 16

... EEPROM. The start-up sequence should be followed from section 2.1.2 onwards after reset. 2.9 Clock The SCP1000 pressure sensor is operated with internal clock, so external clock signal is not needed. VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 16/37 Rev ...

Page 17

... SCP1000 direct access register contents and bit definitions are described in this section. Direct access registers can be accessed directly through the serial interface. Address: 0x00 Register name: REVID, ASIC revision number Bits Mode 7:0 R VTI Technologies Oy www.vti.fi Description ASIC revision number Indirect register access data Indirect register access pointer Operation register Operation status ...

Page 18

... TRIG pin) 0x0F ASIC self test. After the self test is over the result is present at DATARD8: DATARD8 = 0x01 → self test successful - DATARD8 = 0x00 → self test failed - Others Reserved VTI Technologies Oy www.vti.fi Initial Name Description Value 00h DATA Indirect access data ...

Page 19

... Register name: DATARD8, pressure data MSB or 8 bit data read from EEPROM Bits Mode 7:3 2 EEPROM register is read the content of the DATARD8 register is the EEPROM register content. Otherwise pressure data MSB (bits [2:0]) can be read from DATARD8. VTI Technologies Oy www.vti.fi Initial Name Description Value Reserved 0 OPSTATUS Operation status 0 – ...

Page 20

... OPERATION, DATAWR, ADDPTR and DATARD16 registers (see section 3.3.1). Address: 0x00 Register name: CFG, configuration register Bits Mode 7:0 RW VTI Technologies Oy www.vti.fi Initial Name Description Value PRES_LSB Pressure data LSB (16 bits) ...

Page 21

... Address: 0x2B Register name: USERDATA3, user accessible EEPROM register Bits Mode 7:0 RW Address: 0x2C Register name: USERDATA4, user accessible EEPROM register Bits Mode 7:0 RW VTI Technologies Oy www.vti.fi Initial Name Description, INDIRECT ACCESS Value 11h TWIADD TWI device address Initial Name Description ...

Page 22

... Write 0x05 in direct register OPERATION (0x03) o Wait 15 ms (minimum wait value) o Read direct register DATARD8 (0x1F for SPI, 0x7F for TWI), the register content is in bits o [7:0], see section 3.2 for further information. VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 22/37 Rev.0.08 ...

Page 23

... The CSB line must stay low during the entire frame accesses, i.e. between the bytes. If the CSB line state changes to high, the access is terminated. The CSB has to be pulled up after each communication frame. VTI Technologies Oy www.vti.fi 2 C). However, only one interface per product is ...

Page 24

... Examples of SPI communication Examples SPI communication (8 and 16 bit read / write operations) are presented in Figure 10 below. Figure 10. SPI communication examples. VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 24/37 Rev.0.08 ...

Page 25

... The transmitter of the acknowledge bit must tie the SDA line to low to perform an acknowledgement. The receiver of the acknowledge bit must release the SDA line because at this time not the master of the TWI bus. The receiver then checks the acknowledge bit by reading a ‘0’ on SDA. VTI Technologies Oy www.vti.fi External pull-up resistor to DVDD SCP1000 (Slave) ...

Page 26

... REGISTER DATA (master sends the data to be written to the addressed register) 7. SLAVE ACKNOWLEDGEMENT (after receiving the byte, the slave sends an acknowledgement bit) 8. STOP BIT (master sets the bus free Figure 13. TWI frame format for 8 bit write operation (numbers from refer to list above). VTI Technologies Oy www.vti. Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 8 ...

Page 27

... LSB BYTE OF REGISTER DATA (the master continues sending the SCK pulses as slave sends the defined register LSB content to SDA line) 31. MASTER NOT ACKNOWLEDGE (master terminates the data transfer by sending not acknowledge bit) 32. STOP BIT (master sets the bus free) VTI Technologies Oy www.vti.fi 14. 13. 15. ...

Page 28

... Figure 15. TWI frame format for 16 bit read operation (numbers from refer to list above). VTI Technologies Oy www.vti.fi 25. 24. 27. 28. 26. Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 32. 31. 29. 30. 28/37 Rev.0.08 ...

Page 29

... TRIG pulse width 6 Output terminal: MISO/SDA, DRDY Output high voltage 7 Output low voltage 8 Absolute value of output 9 current Load capacitance 10 TRIG Figure 16. TRIG pulse timing. VTI Technologies Oy www.vti.fi Value -0.3 to +3 0.3) ±2.0 -30 … +85 2.0 Not allowed Conditions Symbol Min V 0.7*DVDD ...

Page 30

... Time from CSB to stable MISO 9 Time from CSB to high impedance state of MISO Terminal MISO, SCK 10 Time from SCK to stable MISO Terminal MOSI, CSB 11 Time between SPI cycles, CSB at high level VTI Technologies Oy www.vti. SET DATA in T VAL2 DATA out Conditions Symbol ...

Page 31

... Setup time for repeated start 6 Time from SCL to SDA: data hold time 7 Time from SDA to SCL: data setup 8 Time from SCL to SDA: data hold 9 Bus free time between a START and a STOP VTI Technologies Oy www.vti.fi thigh tlow tsudat tsusta Conditions Symbol T hdsta F ...

Page 32

... Package Characteristics 6.1 Dimensions SCP1000 package dimensions are presented in Figure 19 below (dimensions in [mm]). Figure 19. SCP1000 package dimensions. VTI Technologies Oy www.vti.fi Subject to changes Doc.Nr. 8260800.08 SCP1000 Series 32/37 Rev.0.08 ...

Page 33

... MISO 12 CSB 13 AVDD 14 AVSS 15 AVSS 16 ATST VTI Technologies Oy www.vti.fi Pressure element location SCP1000-D01 (SPI) Connect to analog ground Connect to analog ground Trigger input, connect to GND if Trigger input, connect to GND if not used not used Interrupt signal (data ready) Interrupt signal (data ready) Connect to digital ground ...

Page 34

... General PWB layout recommendations for SCP1000 products (refer to Table 21): 1. Locate the ceramic SMD filtering capacitors right next to SCP1000 package. 2. Use plane for GND connection. 3. Connect the plane under SCP1000 to AGND. 4. Minimize the power supply/ground loops. VTI Technologies Oy www.vti.fi SPI interface Minimum High performance ...

Page 35

... Figure 21. Recommended PWB pad layout for SCP1000. Recommended PWB layout for SCP1000 with SPI and TWI interfaces is presented in Table 21 below (circuit diagram presented in Table 19 above). Table 21. SCP1000 recommended PWB layouts (not in real size, for reference only). VTI Technologies Oy www.vti.fi SPI interface Subject to changes Doc ...

Page 36

... The figures of both designs are from top view, the SCP1000 sensor is assembled in top side of the flex print (top layer red, bottom layer blue). GND is connected as a plane throughout the whole flex print from connector to SCP1000 sensor. VTI Technologies Oy www.vti.fi Subject to changes Doc ...

Page 37

... Rennbahnstrasse 72-74 D-60528 Frankfurt am Main, Germany Tel. +49 69 6786 880 Fax +49 69 6786 8829 E-mail: sales.de@vti.fi China VTI Technologies Shanghai Office 6th floor, Room 618 780 Cailun Lu Pudong New Area 201203 Shanghai P.R. China Tel. +86 21 5132 0417 Fax +86 21 513 20 416 E-mail: sales ...

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