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FXPS7115D4S 데이터시트(PDF) 31 Page - NXP Semiconductors

부품명 FXPS7115D4S
상세설명  Digital absolute pressure sensor, 40 kPa to 115 kPa
PDF  74 Pages
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제조업체  NXP [NXP Semiconductors]
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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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