PEB 20571 F V3.1 Infineon Technologies, PEB 20571 F V3.1 Datasheet - Page 128

• Manufacturer Part Number: PEB 20571 F V3.1
• Description: IC LINE CARD CTRLR DSP TQFP-100
• Manufacturer: Infineon Technologies

Specifications of PEB 20571 F V3.1

• Function: PBX Controller with DSP
• 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: PEB20571FV3.1X; PEB20571FV31XP; SP000007539

4.5
The A-/µ-law Unit performs a bi-directional conversion between a linear representation
of voice data and its companded representation (according to A-law or µ-law). The
conversion is applicable on all B-channels via IOM-2, IOM-2000 or PCM.
Figure 43
Data Sheet
A-/µ-law Conversion Unit
IOM-2000
PCMU
IOMU
A/µ-law Unit Integration
A/µ-law Unit
A -law
to
Linear
to
Linear
-law
16
ROM
256
256
Conversion
111
Output FF
Input FF
Linear
to
A/µ-law
Logic
Circuit
Functional Description
DSP
PEB 20570
PEB 20571
2003-07-31