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LPI2Cx_SSR field descriptions (continued)
Field
Description
0
I2C Bus is idle.
1
I2C Bus is busy.
24
SBF
Slave Busy Flag
0
I2C Slave is idle.
1
I2C Slave is busy.
23–16
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
15
SARF
SMBus Alert Response Flag
This flag is cleared by reading the Address Status Register. This flag cannot generate an asynchronous
wakeup.
0
SMBus Alert Response disabled or not detected.
1
SMBus Alert Response enabled and detected.
14
GCF
General Call Flag
This flag is cleared by reading the Address Status Register. This flag cannot generate an asynchronous
wakeup.
0
Slave has not detected the General Call Address or General Call Address disabled.
1
Slave has detected the General Call Address.
13
AM1F
Address Match 1 Flag
Indicates that the received address has matched the ADDR1 field or ADDR0 to ADDR1 range as
configured by ADDRCFG. This flag is cleared by reading the Address Status Register. This flag cannot
generate an asynchronous wakeup.
0
Have not received ADDR1 or ADDR0/ADDR1 range matching address.
1
Have received ADDR1 or ADDR0/ADDR1 range matching address.
12
AM0F
Address Match 0 Flag
Indicates that the received address has matched the ADDR0 field as configured by ADDRCFG. This flag
is cleared by reading the Address Status Register. This flag cannot generate an asynchronous wakeup.
0
Have not received ADDR0 matching address.
1
Have received ADDR0 matching address.
11
FEF
FIFO Error Flag
FIFO error flag can only set when clock stretching is disabled.
0
FIFO underflow or overflow not detected.
1
FIFO underflow or overflow detected.
10
BEF
Bit Error Flag
This flag will set if the LPI2C slave transmits a logic one and detects a logic zero on the I2C bus. The
slave will ignore the rest of the transfer until the next (repeated) START condition.
0
Slave has not detected a bit error.
1
Slave has detected a bit error.
Table continues on the next page...
Memory Map and Registers
Kinetis KE1xZ256 Sub-Family Reference Manual, Rev. 3, 07/2018
1150
NXP Semiconductors
Summary of Contents for Kinetis KE1xZ256
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