mma1605wr2 Freescale Semiconductor, Inc, mma1605wr2 Datasheet - Page 31

• Manufacturer Part Number: mma1605wr2
• Description: Dsi Inertial Sensor
• Manufacturer: Freescale Semiconductor, Inc

Table 15. Initialization Response Bit Definitions
Sensors
Freescale Semiconductor
Bit Field
Bnk[1:0]
PA[3:0]
BS
NV
BF
DSI device address. This field contains the device address. If the device is unprogrammed when the initialization command is issued, the
device address is assigned. This field contains the programmed address. An Initialization command which attempts to assign a device
address of zero is ignored.
These bits select the bank address for the user writable data registers. Bank selection affects the Read/Write NVM command operation.
Invalid combinations of B1 and B0 result in no response from the device to the associated initialization. Refer to
ther details regarding register programming and bank selection.
Bus Switch state. This bit controls the state of the bus switch:
1 - Close the bus switch
0 - Do not close the bus switch
NVM Program Enable. This bit indicates if programming of the user-accessible OTP is enabled.
1 - OTP programming Enabled
0 - OTP programming Disabled
This bit indicates the success or failure of the bus test performed as part of the Initialization command.
1 - Bus fault detected
0 - Bus test passed
Delay t
ENABLE I
CLOSE BUS SWITCH
MEASURE V
V
INITIALIZATION
BUSOUT
COMMAND?
BUSOUT_DISCHARGE
BS == 1?
RESP
Figure 22. Initialization Sequence
< V
Y
Y
CURRENT
Y
BUSOUT
THH
?
N
N
N
SET BF FLAG
DELAY
Definition
WAIT FOR NEXT DSI
BUS COMMAND
Section 4.2.1.10
MMA16xxWR
for fur-
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