PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 217

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

5.2.7
The Read C/I-code from U Register (CIRU) reads the C/I-code from the transceiver core.
Reset value: 03
7., 6. bits
5.-2. bits
1., 0. bits
5.2.8
The Write C/I-code to U Register (CIWU) writes the C/I-code to the transceiver core.
Reset value: C3
SPU
6. bits
5.-2. bits
1., 0. bits
Semiconductor Group
SPU
CIRU-Register
Read
CIWU-Register
Write
7
7
Set to "0".
Contain the C/I-indication coming from the transceiver core.
Set to "1".
Software Power-Up Bit
Valid only in the NT mode.
1=
0=
Set to "1"
Contain the C/I-code going to the transceiver core
Set to "1"
H
H
Data on DIN will be transparently transmitted to the transceiver core
(default)
Data on DIN will be ignored and binary "0" will be continuously
transmitted to the transceiver core if the NT mode is selected (pin
LT="0")
6
6
1
Address C
Address C
C/I
C/I
5
5
C/I
C/I
4
4
H
H
217
C/I
C/I
3
3
C/I
C/I
2
2
1
1
1
Register Description
Data Sheet 01.99
0
0
1
PEB 2091
PEF 2091