PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 207

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

Table 36
Reg
Name
ISTA
MASK
STCR
MOR
MOX
DRU
DWU
ADF2
RB1U
WB1U
RB2U
WB2U
RB1I
WB1I
RB2I
WB2I
MOSR
MOCR
DRI
DWI
CIRU
CIWU
CIRI
CIWI
ADF
SWST
Semiconductor Group
Access
Read
Write
Write
Read
Write
Read
Write
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Read
Write
Write
Write
Register Overview
Address
(hex)
0
0
1
2
2
3
3
4
5
5
6
6
7
7
8
8
9
9
A
A
B
B
C
C
D
D
E
F
04
18
00
00
Reset
Value
00
FF
FF
FF
FF
FF
Reserved for the test mode
(must not be used in normal operation)
00
00
00
00
00
00
00
00
00
FF
FF
03
C3
03
C7
14
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
207
Comment
Interrupt Status Register
Interrupt Mask register
Status Control Register
Read Monitor data
Write Monitor data
Read D from U
Write D to U
Additional Features Reg. 2
Read B1 from U
Write B1 to U
Read B2 from U
Write B2 to U
Read B1 from IOM
Write B1 to IOM
Read B2 from IOM
Write B2 to IOM
Monitor Status Register
Monitor Control Register
Read D from IOM
Write D to IOM
Read C/I-code from U
Write C/I-code to U
Read C/I-code from IOM
Write C/I-code to IOM
Additional Features Reg.
Switch Status Register
®
®
®
-2
Register Description
-2
-2
®
®
®
-2
-2
-2
®
-2
Data Sheet 01.99
®
-2
PEB 2091
PEF 2091
No.
210
211
212
222
222
221
221
214
221
221
221
221
221
221
221
221
215
216
221
221
217
217
218
218
219
220
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