peb20560 Infineon Technologies Corporation, peb20560 Datasheet - Page 265

• Manufacturer Part Number: peb20560
• Description: Dsp Oriented Pbx Controller Doc
• Manufacturer: Infineon Technologies Corporation

Semiconductor Group
5.1.1
5.1.1.1
5.1.1.1.1
Access: read
Reset value: 00
IWD
IDA
IEP
EXB
ICB
EXA
ICA
IWD and IDA are reset when reading ISTA. The other bits are reset when reading the
corresponding local ISTA- or EXIR-register.
bit 7
IWD
Interrupt Watchdog Timer (ELIC0 only).
The watchdog timer is expired and an external reset (RESIN) was generated.
The software failed to program the bits WTC1 and WTC2 in WTC register in the
correct sequence.
Interrupt D-channel Arbiter.
The suspend counter expired while the arbiter was in the state “expect frame”.
The affected D-channel can be determined by reading register ASTATE.
Interrupt EPIC-1,
detailed information is indicated in register ISTA_E.
Extended interrupt SACCO-B,
detailed information is indicated in register EXIR_B.
Interrupt SACCO-B,
detailed information is indicated in register ISTA_B.
Extended interrupt SACCO-A,
detailed information is indicated in register EXIR_A.
Interrupt SACCO-A,
detailed information is indicated in register ISTA_A.
ELIC0 and ELIC1 Registers Description
Interrupt Top Level
Interrupt Status Register (ISTA)
IDA
H
IEP
EXB
5-22
ICB
EXA
Description of Registers
ICA
PEB 20560
bit 0
2003-08
0