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AIS2120SX Datasheet(PDF) 49 Page - STMicroelectronics

Part # AIS2120SX
Description  Embedded self-test
PDF  58 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AIS2120SX Datasheet(HTML) 49 Page - STMicroelectronics

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DocID028312 Rev 3
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AIS1120SX / AIS2120SX
Interface description
58
5.2
32-bit SPI bit information
Table 47. 32-bit SPI command: bits from 15 to 0
Table 46. 32-bit SPI command: bits from 31 to 16
Acceleration
BIT
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
SDI
CH1 CH0 SEN
P
0
0
0
0
0
0
0
0
0
0
0
0
SDO SEN CH1 CH0
P
ST1 ST0 D13 D12
D1
1
D10 D9 D8 D7 D6 D5 D4
Non-acceleration
BIT
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
SDI
OP1 OP0 SEN
P
0
0
A4
A3
A2
A1
A0 D7 D6 D5 D4 D3
SDO SEN OP1 OP0
P
0
0
A4
A3
A2
A1
A0 D7 D6 D5 D4 D3
Acceleration
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SDI
0
0
0
0
0
0
0
0
C7
C6 C5
C4
C3
C2 C1
C0
SDO
D3
D2
D1
D0
SF3
SF2 SF1 SF0
C7
C6 C5
C4
C3
C2 C1
C0
Non-acceleration
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SDI
D2
D1
D0
0
0
0
0
0
C7C6C5C4C3C2C1C0
SDO
D2
D1
D0
0
SF3
SF2 SF1 SF0
C7
C6 C5
C4
C3
C2 C1
C0
Table 48. Bit decoding
CH[1:0]
OP[1:0]
SEN
ST[1:0]
SF[3:0]
000
X Data
N/A
Non-sensor
Initialization
No error
001
Y Data
Write
Sensor
Normal mode
EEPROM error
010
N/A
N/A
Selt-test mode
SPI error (SE)
011
N/A
Read
Error data
Request error (RE)
100
Condition not correct (CNC)
101
No data (ND)
110
Hardware error (HE)
1000
ADC saturation (AS)
1111
In test mode (TE)



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