User Manual

D03Rev2.3
6
DMT proprietary & confidential: product information is subject to change without notice.
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User Registers
End users can read sensor outputs, control sensor behaviors and query the interrupt status by
accessing the user registers. DMARD03 provides two digital interfaces, i.e. SPI 4-wire and I2C, for
easy accessing these registers. The registers primarily consist of three categories: data, control and
interrupt status registers. Sensor output values can be read from the data registers. The sensor
behavior can be configured by setting up respective control registers. And lastly when using the
build-in interrupt functions, the interrupt status registers bear state bits detailing interrupt event.
User Register Map
Table 4: User Register Map Table
Register
Address
bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 Type
Default
Value
Data Registers
00h Tout[10:3] Read NA
01h Not used Tout[2:0] Read NA
02h Xout[10:3] Read NA
03h Not used Xout[2:0] Read NA
04h Yout[10:3] Read NA
05h Not used Yout[2:0] Read NA
06h Zout[10:3] Read NA
07h Not used Zout[2:0] Read NA
Control Registers
08h I2CFG[1:0] I1CFG[1:0] HGL Tms N[1:0] Read/Write 00h
09h HGAO HGXEn HGYEn HGZEn
Not
used
CLXEn CLYEn CLZEn Read/Write 00h
0Ah HGth[3:0] FFth[3:0]
Read/Write
88h
0Bh Not used Clickth[3:0] Read/Write 08h
Interrupt
Status Registers
0Ch FFInt HGInt XHGP XHGN YHGP YHGN ZHGP ZHGN Read NA
0Dh
Not
used
CLInt XCLP XCLN YCLP YCLN ZCLP ZCLN Read NA
Note: SPI register address is 13-bit wide while I2C register address is 8-bit wide. For the same register,
taking address 04h as an example, SPI address should be set as 0000000000100b, and I2C address
should be set as 00000100b.