参数资料
型号: T9000
厂商: Lineage Power
英文描述: ISDN Network Termination Node (NTN) Device(ISDN网络终端节点器件)
中文描述: ISDN网络终端节点(新界西)设备(ISDN网网络终端节点器件)
文件页数: 67/126页
文件大小: 1523K
代理商: T9000
Lucent Technologies Inc.
67
Advance Data Sheet
April 2000
ISDN Network Termination Node (NTN) Device
T9000
9 HDLC with FIFO Module
(continued)
9.5 HDLC Register Set
(continued)
Table 75. HIR: HDLC Interrupt Register (0x2C)
Note:
All bits in this register are set to 1 upon occurrence of the corresponding interrupt condition, and are cleared
to 0 when the register is read.
Reg
HIR
RESET
R/W
R
Default
Bit 7
RSTF
Bit 6
ROVR
Bit 5
REOF
Bit 4
RABT
Bit 3
RTHR
Bit 2
TUNDR
Bit 1
TFC
Bit 0
TTHR
Bit #
7
Symbol
RSTF
Name/Description
Receiver Status Full Interrupt.
This interrupt occurs when
the receiver FIFO is filled
with 16 status bytes.
Receive FIFO Overrun Interrupt.
This interrupt occurs when
a received byte is written
to a full receive FIFO.
Receive End of Frame Interrupt.
This interrupt occurs when
an end of frame (EOF)
status byte is written to the receive FIFO.
Receive Abort Detect Interrupt.
This interrupt occurs when
the receiver detects an
abort condition.
Receive FIFO Threshold Interrupt.
This interrupt occurs when
the receiver almost full
threshold is exceeded.
Transmit FIFO Underrun Interrupt.
This interrupt occurs when
the transmitter attempts
to transmit a byte from an empty transmit FIFO.
Transmit Frame Complete Interrupt.
This interrupt occurs when
the transmitter has
successfully transmitted a frame.
Transmit FIFO Threshold Interrupt.
This interrupt occurs when
the transmitter almost
empty threshold is exceeded.
6
ROVR
5
REOF
4
RABT
3
RTHR
2
TUNDR
1
TFC
0
TTHR
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