Datasheet ADIS16495 (Analog Devices) - 7

ADIS16495 Data Sheet Timing Diagrams CS t t CS CHS tCLS tSFS 1 2 3 4 5 6 15 16 SCLK tDSOE tDAV tHD tDR tDSHI DOUT MSB DB14 DB13 DB12 DB11 DB10 DB2 DB1 LSB tDSU tDHD tDF DIN R/W A6 A5 A4 A3 A2 D2 D1 LSB
002 15062- Figure 2. SPI Timing and Sequence
tSTALL CS
003
SCLK
15062- Figure 3. Stall Time and Data Rate
t3 t2 DIO4 t1 (SYNC CLOCK) DATA t READY NV
004
OUTPUT REGISTERS DATA VALID DATA VALID
15062- Figure 4. Input Clock Timing Diagram, FNCTIO_CTRL, Bits[7:4] = 0xFD
CS SCLK DIN 7C00 DOUT BURST_ID X_GYRO_LOW X_GYRO_OUT CRC_UPR
005
0 1 2 3 18
15062- Figure 5. Burst Read Function Sequence Diagram, 19 Segments
CS SCLK DIN 7C00 DOUT 0000 BURST_ID X_GYRO_LOW CRC_UPR
006
0 1 2 3 19
15062- Figure 6. Burst Read Function Sequence Diagram, 20 Segments Rev. A | Page 6 of 39 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS Register Specific Stall Times Timing Diagrams ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION INERTIAL SENSOR SIGNAL CHAIN Gyroscope Data Sampling Accelerometer Data Sampling External Clock Options Inertial Sensor Calibration Gyroscope Factory Calibration Accelerometer Factory Calibration Filtering REGISTER STRUCTURE SERIAL PERIPHERAL INTERFACE DATA READY READING SENSOR DATA Burst Read Function DEVICE CONFIGURATION Dual Memory Structure USER REGISTER MEMORY MAP USER REGISTER DEFINTIONS PAGE NUMBER (PAGE_ID) DATA/SAMPLE COUNTER (DATA_CNT) STATUS/ERROR FLAG INDICATORS (SYS_E_FLAG) SELF TEST ERROR FLAGS (DIAG_STS) INTERNAL TEMPERATURE (TEMP_OUT) GYROSCOPE DATA Gyroscope Measurement Range/Scale Factor Gyroscope Data Formatting X-Axis Gyroscope (X_GYRO_LOW, X_GRYO_OUT) Y-Axis Gyroscope (Y_GYRO_LOW, Y_GYRO_OUT) Z-Axis Gyroscope (Z_GYRO_LOW, Z_GYRO_OUT) ACCELERATION DATA X-Axis Accelerometer (X_ACCL_LOW, X_ACCL_OUT) Y-Axis Accelerometer (Y_ACCL_LOW, Y_ACCL_OUT) Z-Axis Accelerometer (Z_ACCL_LOW, Z_ACCL_OUT) Accelerometer Resolution TIME STAMP CYCLICAL REDUNDANDCY CHECK (CRC-32) DELTA ANGLES Delta Angle Measurement Range X-Axis Delta Angle (X_DELTANG_LOW, X_DELTANG_OUT) Y-Axis Delta Angle (Y_DELTANG_LOW, Y_DELTANG_OUT) Z-Axis Delta Angle (Z_DELTANG_LOW, Z_DELTANG_OUT) Delta Angle Resolution DELTA VELOCITY X-Axis Delta Velocity (X_DELTVEL_LOW, X_DELTVEL_OUT) Y-Axis Delta Velocity (Y_DELTVEL_LOW, Y_DELTVEL_OUT) Z-Axis Delta Velocity (Z_DELTVEL_LOW, Z_DELTVEL_OUT) Delta Velocity Resolution Burst Read Command, BURST_CMD Product Identification, PROD_ID USER BIAS/SCALE ADJUSTMENT Gyroscope Scale Adjustment, X_GYRO_SCALE Gyroscope Scale Adjustment, Y_GYRO_SCALE Gyroscope Scale Adjustment, Z_GYRO_SCALE Accelerometer Scale Adjustment, X_ACCL_SCALE Accelerometer Scale Adjustment, Y_ACCL_SCALE Accelerometer Scale Adjustment, Z_ACCL_SCALE Gyroscope Bias Adjustment, XG_BIAS_LOW, XG_BIAS_HIGH Gyroscope Bias Adjustment, YG_BIAS_LOW, YG_BIAS_HIGH Gyroscope Bias Adjustment, ZG_BIAS_LOW, ZG_BIAS_HIGH Accelerometer Bias Adjustment, XA_BIAS_LOW, XA_BIAS_HIGH Accelerometer Bias Adjustment, YA_BIAS_LOW, YA_BIAS_HIGH Accelerometer Bias Adjustment, ZA_BIAS_LOW, ZA_BIAS_HIGH SCRATCH REGISTERS, USER_SCR_X FLASH MEMORY ENDURANCE COUNTER, FLSHCNT_LOW, FLSHCNT_HIGH GLOBAL COMMANDS, GLOB_CMD Software Reset Clear User Calibration Flash Memory Update On Demand Self Test (ODST) Bias Correction Update AUXILIARY I/O LINE CONFIGURATION, FNCTIO_CTRL Data Ready Indicator Input Sync/Clock Control GENERAL-PURPOSE I/O CONTROL, GPIO_CTRL MISCELLANEOUS CONFIGURATION, CONFIG Point of Percussion LINEAR ACCELERATION ON EFFECT ON GYROSCOPE BIAS DECIMATION FILTER, DEC_RATE CONTINUOUS BIAS ESTIMATION (CBE), NULL_CNFG SCALING THE INPUT CLOCK (PPS MODE), SYNC_SCALE Measurement Range Identifier, RANG_MDL FIR FILTERS FIR Filters Control, FILTR_BNK_0, FILTR_BNK_1 FIR Filter Bank Memory Maps FIR Filter Bank A, FIR_COEF_A000 to FIR_COEF_A119 FIR Filter Bank B, FIR_COEF_B000 to FIR_COEF_B119 FIR Filter Bank C, FIR_COEF_C000 to FIR_COEF_C119 FIR Filter Bank D, FIR_COEF_D000 to FIR_COEF_D119 Default Filter Performance FIRMWARE REVISION, FIRM_REV Firmware Revision Year, FIRM_Y Boot Revision Number, BOOT_REV Continuous SRAM Testing Signature CRC, Calibration Values, CAL_SIGTR_LWR Signature CRC, Calibration Values, CAL_SIGTR_UPR Derived CRC, Calibration Values, CAL_DRVTN_LWR Derived CRC, Calibration Values, CAL_DRVTN_UPR Signature CRC, Program Code, CODE_SIGTR_LWR Signature CRC, Program Code, CODE_SIGTR_UPR Derived CRC, Program Code, CODE_DRVTN_LWR Derived CRC, Program Code, CODE_DRVTN_UPR Lot Specific Serial Number, SERIAL_NUM APPLICATIONS INFORMATION MOUNTING BEST PRACTICES PREVENTING MISINSERTION EVALUATION TOOLS Breakout Board, ADIS16IMU1/PCBZ PC-Based Evaluation, EVAL-ADIS2 POWER SUPPLY CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE