MMA16XXKW FREESCALE [Freescale Semiconductor, Inc], MMA16XXKW Datasheet - Page 43

• Manufacturer Part Number: MMA16XXKW
• Description: DSI Inertial Sensor
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

4.2.1.15
4.2.1.16
‘1111’. The device ignores all command received on the BUSOUT pin.
4.3
Sensors
Freescale Semiconductor, Inc.
Table 59. Exception Handling
(Factory Array)
Capacitor Test
Under-Voltage
Under-Voltage
Under-Voltage
Under-Voltage
Out of Range
Temperature
Exception
(User Array)
DSI Command ‘1110’ is not implemented. The device ignores all command formats with a command ID of ‘1110’.
The Reverse Initialization Command is not implemented. The device ignores all command formats with a command ID of
Table 59
DSI Frame
Fuse CRC
Fuse CRC
Power On
Transient
Self-Test
Self-Test
Timeout
Enabled
Lockout
Failure
V
V
V
Reset
V
Fault
Fault
REGA
HCAP
HCAP
REG
Condition
Exception Handling
summarizes the exception conditions detected by the device and the response for each exception.
Self-Test
DSI Command #14
Reverse Initialization Command
Request
Disabled
Disabled
Disabled
Disabled
Disabled
Enabled
Enabled
Enabled
Enabled
Enabled
N/A
N/A
N/A
N/A
N/A
N/A
Power Applied
Clear Command
V
V
V
than t
V
than t
V
than t
V
CRC failure detected in factory
programmed OTP array and the
LOCK_F bit is set. ST Disabled
CRC failure detected in factory
programmed OTP array and the
LOCK_F bit is set. ST Enabled
CRC failure detected in User pro-
grammed OTP array and the
LOCK_U bit is set. ST Disabled
CRC failure detected in User pro-
grammed OTP array and the
LOCK_U bit is set. ST Enabled
Temperature out of range, ST
Disabled.
Temperature out of range, ST
Enabled.
ST Enabled
Two consecutive Disable Self-
Test DSI commands received.
REG
REGA
HCAP
HCAP
HCAP
BUSIN
HCAP_POR
HCAP_POR
HCAP_POR
< V
< V
< V
< V
< V
< V
PORCREG_f
Description
PORCREG_f
PORCREG_f
PORCREG_f
PORCREG_f
THF
for longer than t
, ST Disabled
, ST Enabled
for less
for less
for longer
TO
S ST U
1
0
0
1
1
1
1
1
1
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
– Reference
– Device held in Reset.
– No response to DSI commands.
– Bus switch open within t
– Device must be re-initialized when V
– Device held in Reset.
– No response to DSI commands.
– Bus switch open within t
– Device must be re-initialized when V
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = normal.
– Device does not need to be re-initialized if V
– DSI Read Acceleration Data Short response = self-test data.
– DSI Read Acceleration Data Long response = self-test data.
– Device does not need to be re-initialized if V
– Device is Reset and will continue to Reset every t
– No response to DSI commands.
– Bus switch open within t
– Device must be re-initialized when V
– Device is Reset and will continue to be reset every t
– No response to DSI commands.
– Bus switch open within t
– Device must be re-initialized when capacitor failure is removed.
– Device is Reset and will continue to be reset every t
– No response to DSI commands.
– Bus switch open within t
– Device must be re-initialized when V
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = normal.
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = self-test data.
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = normal.
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = self-test data.
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = normal.
– DSI Read Acceleration Data Short response = zero.
– DSI Read Acceleration Data Long response = self-test data.
– Internal self-test circuitry enabled.
– DSI Read Acceleration Data Short response = self-test data.
– DSI Read Acceleration Data Long response = self-test data.
– Internal self-test circuitry disabled.
– Enable Self-Test DSI command does not enable Self-Test. Normal
– DSI Clear command or Reset disables lockout.
V
V
returns above V
occurs.
capacitor failure is removed.
voltage returns above V
response to Enable Self-Test DSI command except the ST bit is not set.
PORHCAP_r
PORHCAP_r
Section 3.6
before t
before t
PORHCAP_r
HCAP_POR
HCAP_POR
THF
BSOPEN
BSOPEN
BSOPEN
BSOPEN
BSOPEN
, or an internal supply under-voltage condition
or a supply under-voltage condition occurs.
Response
.
.
.
.
.
REG
REGA
HCAP
BUSIN
returns above V
returns above V
returns above V
returns above V
HCAP_POR
POR_CAPTEST
HCAP
HCAP
TO
PORCREG_r
until the BUSIN
PORCREGA_r
PORHCAP_r
THF
returns above
returns above
until VHCAP
MMA16xxKW
until the
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