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FXPS7115D4S Datasheet(PDF) 31 Page - NXP Semiconductors |
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FXPS7115D4S Datasheet(HTML) 31 Page - NXP Semiconductors |
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31 / 74 page  NXP Semiconductors FXPS7115D4S Digital absolute pressure sensor, 40 kPa to 115 kPa Bit Address Register Type[1] 7 6 5 4 3 2 1 0 FDh USERDATA_1D UF1 USERDATA_1D[7:0] FEh USERDATA_1E UF1 USERDATA_1E[7:0] FFh CRC_UF1 F LOCK_UF1 REGF_BLOCKID[2:0] CRC_UF1[3:0] Table 35. User-accessible data — sensor specific information...continued [1] Memory type codes R — Readable register with no OTP F — User readable register with OTP UF2 — One time user programmable OTP location region 2 [2] Useful for I2C read wrap around mode to support temperature data. See Table 9 and Table 67. 7.7 Register information 7.7.1 COUNT - rolling counter register (address 00h) The count register is a read-only register that provides the current value of a free-running 8-bit counter derived from the primary oscillator. A 10-bit prescaler divides the primary oscillator frequency by 1000. Therefore, the value in the register increases by one count every 100 μs and the counter rolls over every 25.6 ms. Bit 7 6 5 4 3 2 1 0 Symbol COUNT[7:0] Reset 0 0 0 0 0 0 0 0 Access R R R R R R R R Table 36. COUNT - rolling counter register (address 00h) bit allocation 7.7.2 Device status registers The device status registers are read-only registers that contain device status information. These registers are readable in SPI or I2C mode. 7.7.2.1 DEVSTAT - device status register (address 01h) Bit 7 6 5 4 3 2 1 0 Symbol DSP_ERR reserved COMM_ ERR MEMTEMP_ ERR SUPPLY_ ERR TESTMOD E DEVRES DEVINIT Reset 1 reserved 0 0 x 0 1 1 Access R R R R R R R R Table 37. DEVSTAT - device status register (address 01h) bit allocation Bit Symbol Description 7 DSP_ERR The DSP error flag is set if a DSP-specific error is present in the pressure signal DSP: DSP_ERR = DSP_STAT[ST_INCMPLT] | DSP_STAT[CM_ERROR] | DSP_STAT[ST_ ERROR] Table 38. DEVSTAT - device status register (address 01h) bit description FXPS7115D4S All information provided in this document is subject to legal disclaimers. © 2022 NXP B.V. All rights reserved. Objective data sheet Rev. 1 — 9 August 2022 31 / 74 |
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