BMA222 Bosch Sensortec, BMA222 Datasheet - Page 50

• Manufacturer Part Number: BMA222
• Description: 3-AXIS ACCELEROMETER DIGITAL SMD
• Manufacturer: Bosch Sensortec

Specifications of BMA222

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 828-1025-2

5.14 Interface configuration
Register (0x34) contains the settings for the digital interfaces. Writing ´1´to (0x34) i2c_wdt_en
enables the watchdog at the SDI pin (= SDA for I²C) if I²C is selected. Default value of (0x34)
i2c_wdt_en is ´0´.
(0x34) i2c_wdt_sel selects the I²C data pad watchdog timer period. The settings for (0x34)
i2c_wdt_sel are ´0´ (1 ms) and ´1´ (50 ms). Default value of (0x34) i2c_wdt_sel is ´0´.
(0x34) spi3 selects the SPI mode. The settings for (0x34) spi3 are ´0´ (4-wire SPI) and ´1´ (3-
wire SPI). Default value of (0x34) spi3 is ´0´.
Register (0x35) is reserved.
Rev. 1.0
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such
as copying and passing on to third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
Table 61: EEPROM control settings, register (0x33)
Table 62: EEPROM control settings, register (0x34)
reserved
reserved
Bit 7
Bit 7
reserved
reserved
Bit 6
Bit 6
reserved
reserved
Bit 5
Bit 5
reserved
reserved
Bit 4
Bit 4
Data sheet
BMA222
Page 50
reserved
nvm_loa
Bit 3
Bit 3
d
nvm_rdy
i2c_wdt
Bit 2
Bit 2
_en
nvm_pro
i2c_wdt
Bit 1
Bit 1
_sel
_trig
g
Bosch Sensortec
07 March 2011
nvm_pro
_mode
Bit 0
spi3
Bit 0
g