PEB 20570 F V3.1 Infineon Technologies, PEB 20570 F V3.1 Datasheet - Page 204
PEB 20570 F V3.1
Manufacturer Part Number
PEB 20570 F V3.1
Description
IC LINE CARD CTRLR HDLC TQFP-100
Manufacturer
Infineon Technologies
Datasheet
1.PEB_20570_F_V3.1.pdf
(308 pages)
Specifications of PEB 20570 F V3.1
Function
Line Card Controller
Interface
ISDN
Voltage - Supply
3.13 V ~ 3.47 V
Current - Supply
272.6mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
100-LFQFP
Includes
Layer-1 Control, Signaling Control, Signal Processing, Voice Channel Handling
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Number Of Circuits
-
Other names
PEB20570FV3.1X
PEB20570FV31XP
SP000007243
PEB20570FV31XP
SP000007243
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6.2.3.4
PDPR Register
Reset value: E0
PDP(7:0) PCMU Data Prefix
Note: (x) unused bits read as ’0’
Data Sheet
15
7
x
PCMU Data Prefix Register
The data written to this register is read as the most significant byte of every
time slot read by the DSP from the PCMU frame buffers. Can be used for
quick access to the a/µ-law ROM, for conversion of compressed data
(received via the PCM interface) into linear value.
After reset this register contains the MSB of the base address of the a-law-
to-linear ROM table: E0
the PCMU Data Prefix Register should be programmed to E1
H
14
6
x
13
5
x
H
. To enable quick conversion from µ-law to linear,
12
4
x
read/write
PDP(7:0)
187
11
3
x
10
2
x
Register Description
Address: D072
9
1
x
H
.
PEB 20570
PEB 20571
2003-07-31
8
0
x
H
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