PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 221
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PEF2091
Manufacturer Part Number
PEF2091
Description
ICs for Communications(ISDN Echocancellation Circuit)
Manufacturer
Siemens Semiconductor Group
Datasheet
1.PEF2091.pdf
(298 pages)
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BS
SGL
5.2.13
Register
WB1U
RB1U
WB1I
RB1I
WB2U
RB2U
WB2I
RB2I
5.2.14
Register
DWU
DRU
DWI
DRI
Semiconductor Group
BS Bit
Operates in combination with SWST:SGL and ADF:CBAC bits to control the
S/G bit and the BAC bit. For the functional description see "Indication of S/G
Bit Status on Pin SG", page 205
Stop/Go
Operates in combination with SWST:BS and ADF:CBAC bits to control the S/G
bit and the BAC bit. For the functional description see "Indication of S/G Bit
Status on Pin SG", page 205
B-Channel Access Registers
D-Channel Access Registers
Value after
Reset (hex)
FF
FF
FF
FF
Value after
reset (hex)
00
00
00
00
00
00
00
00
Function
write B1-channel data to transceiver core
read B1-channel data from transceiver core 6
write B1-channel data to IOM
read B1-channel data from IOM
write B2-channel data to transceiver core
read B2-channel data from transceiver core 7
write B2-channel data to IOM
read B2-channel data from IOM
Function
write D-channel data to transceiver core
read D-channel data from transceiver core
write D-channel data to IOM
read D-channel data from IOM
221
®
®
®
-2
-2
-2
®
®
®
-2
-2
-2
Register Description
Data Sheet 01.99
Address
(hex)
6
8
8
7
9
9
Address
(hex)
3
B
B
3
PEB 2091
PEF 2091
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