Digi NS9215 User Manual
Page 394

S E R I A L C O N T R O L M O D U L E : U A R T
Interrupt Enable register
394
Hardware Reference NS9215
D19
R/W
OFLOW
0
Enable overflow error
Enables interrupt generation if the 4-character FIFO in the
UART overflows.
Note:
This should not happen in a properly configured
system.
D18
R/W
PARITY
0
Enable parity error
Enables interrupt generation when a character is received
with a parity error.
D17
R/W
FRAME
0
Enable frame error
Enables interrupt generation when a character is received
with a framing error.
D16
R/W
BREAK
0
Enable line break
Enables interrupt generation when a line break condition
occurs.
D15
R/W
BGAP
0
Enable buffer gap
Enables interrupt generation when a buffer gap timeout
event occurs.
D14
R/W
RXCLS
0
Software receive close
Enables interrupt generation when software forces a buffer
close.
D13
R/W
CGAP
0
Enable character gap
Enables interrupt generation when a character gap timeout
event occurs.
D12
R/W
MATCH4
0
Enable character match4
Enables interrupt generation when a receive character
match occurs against the Receive Match Register 4.
D11
R/W
MATCH3
0
Enable character match3
Enables interrupt generation when a receive character
match occurs against the Receive Match Register 3.
D10
R/W
MATCH2
0
Enable character match2
Enables interrupt generation when a receive character
match occurs against the Receive Match Register 2.
D09
R/W
MATCH1
0
Enable character match1
Enables interrupt generation when a receive character
match occurs against the Receive Match Register 1.
D08
R/W
MATCH0
0
Enable character match0
Enables interrupt generation when a receive character
match occurs against the Receive Match Register 0.
D07
R/W
DSR
0
Enable data set ready
Enables interrupt generation whenever a state change
occurs on input signal DSR.
Bits
Access
Mnemonic
Reset
Description