Table 46-12. Slave Interrupts and DMA Requests
Slave Status Register
(SSR)
Description
Can generate
Flag
Name
Interrupt?
DMA
Request?
Low Power
Wakeup?
TDF
Transmit Data
Flag
Data can be written to the Slave Transmit
Data Register (STDR)
Y
TX
Y
RDF
Receive Data
Flag
Data can be read from the Slave Receive
Data Register (SRDR)
Y
RX
Y
AVF
Address Valid
Flag
Address can be read from the Slave Address
Status Register (SASR)
Y
RX
Y
TAF
Transmit ACK
Flag
ACK/NACK can be written to the Slave
Transmit ACK Register (STAR)
Y
N
Y
RSF
Repeated
Start Flag
Slave has detected an address match
followed by a Repeated START condition
Y
N
Y
SDF
STOP Detect
Flag
Slave has detected an address match
followed by a STOP condition
Y
N
Y
BEF
Bit Error Flag Slave was transmitting data, but received
different data than what was transmitted
Y
N
Y
FEF
FIFO Error
Flag
• Transmit data underrun
• Receive data overrun
• Address status overrun (when Receive
Data Configuration SCFGR1[RXCFG] =
1, )
FEF flag can only set when clock stretching is
disabled.
Y
N
Y
AM0F
Address
Match 0 Flag
Slave detected an address match with
SAMR[ADDR0] field
Y
N
N
AM1F
Address
Match 1 Flag
Slave detected an address match with
SAMR[ADDR1] field or using an address
range
Y
N
N
GCF
General Call
Flag
Slave detected an address match with the
General Call address
Y
N
N
SARF
SMBus Alert
Response
Flag
Slave detected an address match with the
SMBus Alert address
Y
N
N
SBF
Slave Busy
Flag
LPI2C slave is busy receiving an address byte
or is transmitting/receiving data
N
N
N
BBF
Bus Busy Flag LPI2C slave is enabled and a START
condition is detected on I2C bus, but a STOP
condition has not been detected
N
N
N
Chapter 46 Low Power Inter-Integrated Circuit (LPI2C)
MWCT101xS Series Reference Manual, Rev. 3, 07/2019
NXP Semiconductors
1465
Summary of Contents for MWCT101 S Series
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Page 50: ...Conventions MWCT101xS Series Reference Manual Rev 3 07 2019 50 NXP Semiconductors...
Page 70: ...Aliased bit band regions MWCT101xS Series Reference Manual Rev 3 07 2019 70 NXP Semiconductors...
Page 78: ...Pinout diagrams MWCT101xS Series Reference Manual Rev 3 07 2019 78 NXP Semiconductors...
Page 96: ...WCT101xS safety concept MWCT101xS Series Reference Manual Rev 3 07 2019 96 NXP Semiconductors...
Page 130: ...Functional description MWCT101xS Series Reference Manual Rev 3 07 2019 130 NXP Semiconductors...
Page 284: ...Functional description MWCT101xS Series Reference Manual Rev 3 07 2019 284 NXP Semiconductors...
Page 430: ...Functional Description MWCT101xS Series Reference Manual Rev 3 07 2019 430 NXP Semiconductors...
Page 472: ...Application Information MWCT101xS Series Reference Manual Rev 3 07 2019 472 NXP Semiconductors...
Page 528: ...Module clocks MWCT101xS Series Reference Manual Rev 3 07 2019 528 NXP Semiconductors...
Page 634: ...SRAM configuration MWCT101xS Series Reference Manual Rev 3 07 2019 634 NXP Semiconductors...
Page 818: ...Functional description MWCT101xS Series Reference Manual Rev 3 07 2019 818 NXP Semiconductors...
Page 960: ...Functional description MWCT101xS Series Reference Manual Rev 3 07 2019 960 NXP Semiconductors...
Page 992: ...ADC calibration scheme MWCT101xS Series Reference Manual Rev 3 07 2019 992 NXP Semiconductors...
Page 1348: ...Functional description MWCT101xS Series Reference Manual Rev 3 07 2019 1348 NXP Semiconductors...
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Page 1514: ...Functional description MWCT101xS Series Reference Manual Rev 3 07 2019 1514 NXP Semiconductors...
Page 1726: ...Debug and security MWCT101xS Series Reference Manual Rev 3 07 2019 1726 NXP Semiconductors...
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