I3G4250D Datasheet, PDF (33/43 Pages) STMicroelectronics – 3-axis digital output gyroscope

I3G4250D
Register description
7.5
CTRL_REG4 (23h)
Table 30. CTRL_REG4 register
0
BLE
FS1
FS0
-
ST1
ST0
SIM
BLE
FS1 - FS0
ST1-ST0
SIM
Table 31. CTRL_REG4 description
Big/little endian data selection. Default value 0.
(0: data LSB @ lower address; 1: data MSB @ lower address)
Full scale selection. Default value: 00
(00: 245 dps; 01: 500 dps; 10: 2000 dps; 11: 2000 dps)
Self-test enable. Default value: 00
(00: self-test disabled; Other: see Table )
SPI serial interface mode selection. Default value: 0
(0: 4-wire interface; 1: 3-wire interface).
Table 32. Self-test mode configuration
ST1
ST0
Self-test mode
0
0
0
1
1
0
1
1
1. DST sign (absolute value in Table 4).
Normal mode
Self-test 0 (+)⁽¹⁾
--
Self-test 1 (-)⁽¹⁾
7.6
CTRL_REG5 (24h)
BOOT FIFO_EN
Table 33. CTRL_REG5 register
--
HPen INT1_Sel1 INT1_Sel0 Out_Sel1
Out_Sel0
BOOT
FIFO_EN
HPen
INT1_Sel1-
INT1_Sel0
Out_Sel1-
Out_Sel0
Table 34. CTRL_REG5 description
Reboot memory content. Default value: 0
(0: normal mode; 1: reboot memory content)
FIFO enable. Default value: 0
(0: FIFO disabled; 1: FIFO enabled)
High-pass filter enable. Default value: 0
(0: HPF disabled; 1: HPF enabled (see Figure 19)
INT1 selection configuration. Default value: 0
(see Figure 19)
Out selection configuration. Default value: 0
(see Figure 19)
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