pef82902 Infineon Technologies Corporation, pef82902 Datasheet - Page 148

• Manufacturer Part Number: pef82902
• Description: 4b3t Second Generation Modular Isdn Nt Intelligent Extended
• Manufacturer: Infineon Technologies Corporation

4.2
Special events in the T-SMINT
which requests the host to read status information from the T-SMINT
from/to the T-SMINT
Since only one INT request output is provided, the cause of an interrupt must be
determined by the host reading the interrupt status registers of the T-SMINT
The structure of the interrupt status registers is shown in
Figure 68
Data Sheet
MASK
HDLC
WOV
MOS
CIC
TIN
INT
ST
S
U
Interrupts
T-SMINT
HDLC
WOV
ISTA
MOS
TIN
CIC
ST
U
S
MASKU
â
RDS
1ms
IX.
CI
1
1
1
1
1
â
IX Interrupt Status Registers
ISTAU
â
RDS
1ms
IX are indicated by means of a single interrupt output,
CI
CI1E
CIX1
0
0
0
0
0
MASKH
RME
XMR
XDU
RPF
RFO
XPR
134
STOV20
STOV11
STOV21
STOV10
MSTI
STI21
STI20
STI11
STI10
CIC0
CIC1
CIR0
ISTAH
RME
RPF
RFO
XPR
XMR
XDU
STOV20
Figure
STOV21
STOV11
STOV10
STI11
STI10
STI21
STI20
MASKS
STI
MOCR
MRE
SQC
SQW
MIE
RIC
LD
68.
Register Description
â
IX or transfer data
ACK10
ACK11
ACK21
ACK20
ISTAS
ASTI
MOSR
SQW
MDR
MER
MDA
MAB
SQC
PEF 81902
RIC
LD
â
2001-11-12
IX.