pef20320 Infineon Technologies Corporation, pef20320 Datasheet - Page 142

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

User’s Manual
2. Action request interrupts
If ARACK or ARF is set, all bits except INT and VN(3:1) are set to 0.
Note: An action request is forbidden during the time a preceding action has not been
3. Channel specific interrupts
HDLC
V.110/X.30
TMA
TMB/TMR
HDLC
V.110/X.30
TMA
TMB/TMR
INT
31
ARACK
ARACK: Action Request Acknowledge; MUNICH32 sets the ARACK bit to indicate
ARF:
These
‘Channel Number’ and receive or transmit direction indicated by RT (RT = ‘1’: receive
direction; RT = ‘1’: transmit direction).
The interpretation of these interrupts depends on the specification of the channel in
which they occur.
The following table shows which interrupts can occur in which mode (unused bits are
always 0).
1
1
1
1
G
G
G
G
15
finished by an ARACK or ARF interrupt or a pulse at the reset pin.
30
0
0
0
0
0
G
G
G
G
interrupts
VN3 VN2 VN1 FRC
that an action request has been serviced.
Action Request Fail; MUNICH32 aborts an ACTION REQUEST, if the
required configuration cannot be performed. An action request fail can occur
either when the TB buffer is initialized incorrectly or a bus cycle error
(BERR = 0) is detected during a configuration access.
29
ARF
14
F
F
F
F
TR
TR
TR
TR
28
13
HI
F
F
F
F
TR R
0
T
TR 0
indicate
27
12
FI
F
F
F
F
0
0
26
IFC
11
0
R
0
0
R
0
0
0
specific
E7
SF
25
10
0
R
0
0
TR
TR
TR
TR
ERR
E6
24
142
9
0
R
0
0
TR 0
TR 0
TR 0
TR 0
events
E5
23
FO 0 0 RT
0
R
0
0
8
E4
22
in
0
R
0
0
0
0
0
0
7 6
Detailed Register Description
the
E3
21
0
R
0
0
X
X
X
X
5
E2
20
channel
0
R
0
0
X
X
X
X
4
Channel Number
E1
19
0
R
0
0
X
X
X
X
3
SB SA
indicated
18
PEB 20320
0
R
0
0
X
X
X
X
2
17
0
R
0
0
X
X
X
X
01.2000
1
16
X
0
R
0
0
0
X
X
X
X
by