pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 147

• Manufacturer Part Number: pef20320
• Description: Multichannel Network Interface Controller For Hdlc With 32 Channels
• Manufacturer: Infineon Technologies Corporation

General
Figure 79
Interrupt Information
User’s Manual
IM
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
Valid Interrupt Entry
MUNICH32 sets this Bit with every entry
to the interrupt circular queue
Software should dear this Bit after reading
0 VN(3...1)
IM
Silicon Version Number
0 0 0 V1.1
0 0 1
0 1 0 V2.2
1 0 0
V2.1
V3.2
Framing Bits Changed
V.110/X30 mode
received E, S, X Bits changed
HI Bit in the Rcv./Xmt. descriptor was set
Action Request Acknowledge
End of receive or transmit frame indication
Action request has been
completed successfully.
Action request could not be
Action Request Failed
completed successfully.
Host Initiated Interrupt
Frame Indication Interframe Timefill Change
147
HDLC receiver detected change in ITF state
Short Frame
HDLC mode, in conjunction with FI
(empty HDLC frame or incorrect HDLC frame,
nothing stored in memory)
Protocol Error
e.g. CRC error, frame aborted,
loss of sync. MFL exceeded
Internal buffer overflow/underflow
Detailed Register Description
Overflow/Underflow
Internal buffer not available
0 0
Direction
0 Transmit Interrupt
1 Receive Interrupt
4
Identifies the channel
Channel Number
where the interrupt
3
Channel
Number
2
PEB 20320
ITS08222
occured.
1
0
01.2000