PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 212

• Manufacturer Part Number: PEF2091
• Description: ICs for Communications(ISDN Echocancellation Circuit)
• Manufacturer: Siemens Semiconductor Group

Semiconductor Group
MDR
B1
B2
MDA
5.2.3
The Status Control Register (STCR) selects the operating modes of the IEC-Q as given
in Table 2, "Setting Modes of Operation (Stand-Alone and µP Mode)", on page 51.
Note 64: The STCR-register is only reset after a power-on. Please refer also to
Reset value: 04
BURST
LT
Monitor data receive mask
1=
0=
B1-channel mask
1=
0=
B2-channel mask
1=
0=
Monitor data transmit mask
1=
0=
BURST
"Reset Behavior", page 94.
STCR-Register
Write
Selection of burst modes
1=
0=
Selection of LT modes
1=
0=
7
H
Prevents an interrupt ISTA:MDR to influence the INT pin
Disables the function described above
Prevents an interrupt ISTA:B1 to influence the INT pin
Disables the function described above
Prevents an interrupt ISTA:B2 to influence the INT pin
Disables the function described above
Prevents an interrupt ISTA:MDA to influence the INT pin
Disables the function described above
Selects the burst modes (LT, NT-PBX)
Selects the non-burst modes (NT, TE, COT-512/1536, LT/NT-RP)
Selects the LT modes (LT,COT-512/1536, LT-RP)
Selects the non LT modes (NT, TE, NT-PBX, NT-RP)
LT
6
Address 1
TS2
5
TS1
H
4
212
TS0
3
TM1
2
TM2
Register Description
1
Data Sheet 01.99
AUTO
0
PEB 2091
PEF 2091