Maxim Integrated MAX32665 - Page 296

MAX32665-MAX32668 User Guide
Maxim Integrated Page 296 of 457
I2C Interrupt Flag 0
I2Cn_INT_FL0
[0x0008]
Bits
Field
Access
Reset
Description
14
stoperi
R/W1C
0
Out of Sequence STOP Interrupt Flag
This flag is set if a STOP condition occurs out of expected sequence. Write 1 to clear
this field. Writing 0 has no effect.
0: Error condition has not occurred.
1: Out of sequence STOP condition occurred.
13
strteri
R/W1C
0
Out of Sequence START Interrupt Flag
This flag is set if a START condition occurs out of expected sequence. Write 1 to clear
this field. Writing 0 has no effect.
0: Error condition has not occurred.
1: Out of sequence START condition occurred.
12
dnreri
R/W1C
0
Slave Mode Do Not Respond Interrupt Flag
This occurs if an address match is made, but the TX FIFO or RX FIFO is not ready.
Write 1 to clear this field. Writing 0 has no effect.
0: Error condition has not occurred.
1: I
2
C address match has occurred and either the TX or RX FIFO is not configured.
11
dateri
R/W1C
0
Master Mode Data NACK from External Slave Interrupt Flag
This flag is set by hardware if a NACK is received from a slave. This flag is only valid if
the I2Cn peripheral is configured for Master Mode operation. Write 1 to clear. Write
0 has no effect.
0: Error condition has not occurred.
1: Data NACK received from a slave.
10
adreri
R/W1C
0
Master Mode Address NACK from Slave Error Flag
This flag is set by hardware if an Address NACK is received from a slave bus. This flag
is only valid if the I2Cn peripheral is configured for Master Mode operation. Write 1
to clear. Write 0 has no effect.
0: Error condition has not occurred.
1: Address NACK received from a slave.
9
toeri
R/ W1C
0
Timeout Error Interrupt Flag
This occurs when this device holds SCL low longer than the programmed timeout
value. Applies to both Master and Slave Mode. Write 1 to clear. Write 0 has no
effect.
0: Timeout error has not occurred.
1: Timeout error occurred.
8
arberi
R/ W1C
0
Master Mode Arbitration Lost Interrupt Flag
Write 1 to clear. Write 0 has no effect.
0: Condition has not occurred.
1: Condition occurred.
7
adracki
R/ W1C
0
Master Mode Address ACK from External Slave Interrupt Flag
This field is set when a slave address ACK is received. Write 1 to clear. Write 0 has no
effect.
0: Condition has not occurred.
1: The slave device ACK for the address was received.
6
stopi
R/ W1C
0
Slave Mode STOP Condition Interrupt Flag
This flag is set by hardware when a STOP condition is detected. Write 1 to clear.
Write 0 has no effect.
0: Condition has not occurred.
1: Condition occurred.