NHE6300ESB S L7XJ Intel, NHE6300ESB S L7XJ Datasheet - Page 713

• Manufacturer Part Number: NHE6300ESB S L7XJ
• Manufacturer: Intel

Specifications of NHE6300ESB S L7XJ

• Lead Free Status / RoHS Status: Compliant

19—Intel
Table 641. Interrupt Conditions
Table 642. Interrupt Identification Register (IIR)
November 2007
Order Number: 300641-004US
®
6300ESB ICH
Interrupt Identification
Register
IIR
read-only
1 (highest)
Priority
Number
Level
7:6
5:4
2:1
Bit
2
2
3
4
3
0
Receiver Line Status: One or more error bits were set.
Received Data is available. In FIFO mode, trigger level was reached; in non-FIFO
mode, RBR has data.
Receiver Time out occurred. It happens in FIFO mode only, when there is data in
the receive FIFO but no activity for a time period.
Transmitter requests data. In FIFO mode, the transmit FIFO is half or more than
half empty; in non-FIFO mode, THR is read already.
Modem Status: One or more of the modem input signals has changed state.
Bit Mnemonic
FIFOES[1:0]
IID[2:1]
(IID3)
TOD
IP#
--
Address:
Reset State:
Access:
FIFO Mode Enable Status:
00 = Non-FIFO mode is selected.
01 = Reserved
10 = Reserved
11 = FIFO mode is selected (TRFIFOE = 1).
Reserved
Time Out Detected:
0 = No time out interrupt is pending.
1 = Time out interrupt is pending. (FIFO mode only)
Interrupt Source Encoded:
00 = Modem Status (CTS, DSR, RI, DCD modem signals
changed state)
01 = Transmit FIFO requests data.
10 = Received Data Available
11 = Receive error (Overrun, parity, framing, break, FIFO error)
Interrupt Pending:
0 = Interrupt is pending. (Active low)
1 = No interrupt is pending.
Interrupt Origin
Base + 02H
01H
8-bit
Function
Intel
®
6300ESB I/O Controller Hub
713
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