CXD5602 User Manual
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856/1010
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3.9.14
Error Handling
The following table shows the SCU errors and the way they should be handled
Table SCU (Sensor Control Unit)-723 Errors and their Handling
Resource
Cause
Notification Method
How to handle on CPU
SPI
SPI transfer timeout (650240 SCU
clock cycles elapsed when reading
out data from the FIFO)
EXE_ERR interrupt (1 bit
per each sequencer)
Check the SPI setting and choose a setting that
does not cause timeout.
I2C
A Master On Hold error was returned
from the I2C functional block
EXE_ERR interrupt (1 bit
per each sequencer)
Check the slave address of the target and
perform the transfer again. The I2C functional
block is disabled by the firmware of the SCU
internal sequencer
Sequencer
Withdrawal of the suspend interrupt
request was not in time by the next
execution of the MATH_PROC
Within the SCU_RAM
SYNCHRO_iSoP2CPU
parameter
None. When sample data loss occurs, this can
be known by the time stamp shift.
ADCIF
The FIFO for the LPADC ch.n within
the ADCIF has overflowed
LPADC_OVER_RUNn
(n = 0, ..., 3)
None
ADCIF
The FIFO for the HPADC ch.n within
the ADCIF has overflowed
HPADCn_OVER_RUN
(n = 1, 2)
None
ADCIF
An abnormal readout from the FIFO
within the ADCIF has occurred
ADCIF_READ_ERR
None
ADCIF
The FIFO partition D0_Rn has
overflowed
D0_Rn_C_OVER_RUN
(n= 1, 2)
None
ADCIF
The FIFO partition D1_Rn has
overflowed
D1_Rn_C_OVER_RUN
(n = 1, 2)
None
ADCIF
The FIFO partition Nn_R1 has
overflowed
Nn_R1_C_OVER_RUN
(n = 0, ..., 7)
None
ADCIF
The FIFO partition Dn_R3 has
overflowed
Dn_R3_CH_OVER_RUN
(n = 0, 1)
None
ADCIF
The FIFO for the LPADC ch.n within
the ADCIF was empty but read out
LPADC_UNDER_RUNn
(n = 0, ..., 3)
None
ADCIF
The FIFO for the HPADC ch.n within
the ADCIF was empty but read out
HPADCn_UNDER_RUN
(n = 1, 2)
None
ADCIF
The FIFO partition D0_Rn was
empty but read out
D0_Rn_C_UNDER_RUN
(n = 1, 2)
None
ADCIF
The FIFO partition D1_Rn was
empty but read out
D1_Rn_C_UNDER_RUN
(n = 1, 2)
None
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