AN2989 Datasheet, PDF (6/28 Pages) STMicroelectronics – high performance ultra low-power 3-axis accelerometer

Register table
1
Register table
AN2989
Table 1. Register table
Register name
Address Bit7
Bit6 Bit5 Bit4
Bit3 Bit2
Bit1
Bit0
WHO_AM_I
0Fh
0
0
0
1
0
0
1
0
CTRL_REG1
20h
PM2 PM1 PM0 DR1 DR0 Zen
Yen
Xen
CTRL_REG2
CTRL_REG3
21h BOOT HPM1 HPM0 FDS HPen2 HPen1 HPCF1 HPCF0
22h
IHL PP_OD LIR2 I2_CF1 I2_CF0 LIR1 I1_CF1 I1_CF0
CTRL_REG4
23h
BDU BLE FS1 FS0 STsign 0
ST
SIM
CTRL_REG5
24h
-
-
-
-
-
- TurnOn1 TurnOn0
HP_FILTER_RESET
REFERENCE
25h
-
-
-
-
-
-
-
-
26h
REF7 REF6 REF5 REF4 REF3 REF2 REF1 REF0
STATUS_REG
27h ZYXOR ZOR YOR XOR ZYXDA ZDA YDA
XDA
OUT_X
29h
XD7
XD6 XD5 XD4
XD3 XD2
XD1
XD0
OUT_Y
2Bh
YD7
YD6 YD5 YD4
YD3 YD2
YD1
YD0
OUT_Z
INT1_CFG
2Dh
ZD7
ZD6 ZD5 ZD4
ZD3 ZD2
ZD1
ZD0
30h
AOI
6D ZHIE ZLIE YHIE YLIE XHIE
XLIE
INT1_SRC
31h
-
IA
ZH
ZL
YH
YL
XH
XL
INT1_THS
32h
0
THS6 THS5 THS4 THS3 THS2 THS1 THS0
INT1_DURATION
33h
0
D6
D5
D4
D3
D2
D1
D0
INT2_CFG
INT2_SRC
34h
AOI
6D ZHIE ZLIE YHIE YLIE XHIE
XLIE
35h
-
IA
ZH
ZL
YH
YL
XH
XL
INT2_THS
36h
0
THS6 THS5 THS4 THS3 THS2 THS1 THS0
INT2_DURATION
37h
0
D6
D5
D4
D3
D2
D1
D0
6/28
Doc ID 15761 Rev 1