CPLD and FPGA
ATCA-8310 Installation and Use (6806800M72D
)
280
Table 8-55 Interrupt Identification Register Decode
Interrupt
ID
Interrupt Set/Reset Function
3:0
Priority
Type
Source
Reset Control
0b0001
-
None
No Interrupt is pending
-
0b0110
1
Receiver
Line Status
Overrun Error, Parity
Error, Framing Error,
Break Interrupt.
Reading the Line Status
Register.
0b0100
2
Received
Data
Available.
Non-FIFO mode: Receive
Buffer is full.
Non-FIFO mode: Reading
the Receiver Buffer
Register.
FIFO mode: Trigger level
was reached.
FIFO mode: Reading
bytes until Receiver FIFO
drops below trigger level
or setting RESETRF bit in
FCR register.
0b1100
Character
Timeout
indication.
FIFO Mode only: At least 1
character is in receiver
FIFO and there was no
activity for a time period.
Reading the Receiver FIFO
or setting RESETRF bit in
FCR register
0b0010
3
Transmit
FIFO Data
Request
Non-FIFO mode: Transmit
Holding Register Empty
Reading the IIR Register
(if the source of the
interrupt) or writing into
the Transmit Holding
Register.
FIFO mode: Transmit FIFO
has half or less than half
data.
Reading the IIR Register
(if the source of the
interrupt) or writing to
the Transmitter FIFO.
0b0000
4
Modem
Status
Clear to Send, Data Set
Ready, Ring Indicator,
Received Line Signal
Detect
Reading the modem
status register
Summary of Contents for ATCA-8310
Page 12: ...ATCA 8310 Installation and Use 6806800M72D Contents 12 Contents Contents ...
Page 26: ...ATCA 8310 Installation and Use 6806800M72D 26 List of Figures ...
Page 34: ...ATCA 8310 Installation and Use 6806800M72D About this Manual 34 About this Manual ...
Page 54: ...Hardware Preparation and Installation ATCA 8310 Installation and Use 6806800M72D 54 ...
Page 70: ...Controls Indicators and Connectors ATCA 8310 Installation and Use 6806800M72D 70 ...
Page 162: ...BIOS ATCA 8310 Installation and Use 6806800M72D 162 ...
Page 200: ...U Boot ATCA 8310 Installation and Use 6806800M72D 200 ...
Page 244: ...Intelligent Peripheral Management Controller ATCA 8310 Installation and Use 6806800M72D 244 ...
Page 438: ...CPLD and FPGA ATCA 8310 Installation and Use 6806800M72D 438 ...
Page 442: ...Replacing the Battery ATCA 8310 Installation and Use 6806800M72D 442 ...
Page 444: ...Related Documentation ATCA 8310 Installation and Use 6806800M72D 444 ...
Page 454: ...ATCA 8310 Installation and Use 6806800M72D Sicherheitshinweise 454 ...
Page 456: ...Index ATCA 8310 Installation and Use 6806800M72D 456 ...
Page 457: ...Index ATCA 8310 Installation and Use 6806800M72D 457 ...
Page 458: ...Index ATCA 8310 Installation and Use 6806800M72D 458 ...
Page 459: ......