peb3456 Infineon Technologies Corporation, peb3456 Datasheet - Page 132
peb3456
Manufacturer Part Number
peb3456
Description
Channelized T3 Termination With Ds3 Framer, M13 Multiplexer, T1/ E1 Framers And 256 Channel Hdlc/ppp Controller
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEB3456.pdf
(424 pages)
- Current page: 132 of 424
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Receive Interrupt II
•
CHAN
RHI
RAB
FE
HRAB
RAB, HRAB
Data Sheet
RHI
31
15
1
RAB
30
14
01
B
FE HRAB MFL RFOD CRC ILEN
29
13
Channel Number
This bit field identifies the channel for which the information in the
interrupt vector is valid.
(Receive) Host Initiated Interrupt
The ’(Receive) Host Initiated’ interrupt vector will be issued, if bit RHI is
set in a receive descriptor and processing of this descriptor has finished.
After receiving this interrupt vector, system software can release the
descriptor, e.g. put the descriptor into a free pool.
Receive Abort
The ’Receive Abort’ interrupt vector is generated, when an incoming
data packet is aborted (more than 6 ‘1’ in case of HDLC or more than 15
‘1’ in case of PPP) or if the receiver got a receive abort command from
the system CPU.
Frame End
The ’Frame End’ interrupt Vector is generated, when one complete
frame has been received completely and has been stored in system
memory.
Hold Caused Receive Abort
The ’Hold Caused Receive Abort’ interrupt vector is generated, when the
receiver discarded the first data packet after it has found a HOLD bit in
a receive descriptor.
Silent Discard
The ’Silent Discard’ interrupt vector (bit RAB and HRAB set together)
occurs, if two or more frames have been discarded by the receiver due
to continuous inaccessibility of receive descriptor. This occurs, if receive
descriptor has HOLD bit set and receiver gets further data packets. The
interrupt vector will be generated for each packet discarded.
28
12
01
B
27
11
26
10
QUEUE(2:0)
9
24
8
132
23
0
7
22
0
21
CHAN(7:0)
Functional Description
DESID(5:0)
PEB 3456 E
05.2001
16
0
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