PEF2015 datasheet(49/84 Pages) INFINEON

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PEF 2015

Registers Summary

Semiconductor Group

12.97

1. Writing data to the upstream DM-data field (e.g. PCM-idle code).

Reading data from the upstream or downstream DM-data field.

MOC3..0

defines the bandwidth and the position of the subchannel as shown below:

Note: When reading a DM-data field location, all 8 bits are read regardless of the

bandwidth selected by the MOC-bits.

2. Writing to the upstream DM-code (tristate) field.

Control-reading the upstream DM-code (tristate).

MOC = 1100

Read/write tristate info from/to single PCM time slot

MOC = 1101

Write tristate info to all PCM time slots

Note: The tristate field is exchanged with the 4 least significant bits (LSBs) of the MADR.

MADR:MD3 controls the PCM interface function of the bits 7 and 6, MD2 of bits 5

and 4, MD1 of bits 3 and 2, MD0 of bits 1 and 0 (0 = high impedance, 1 = low

impedance).

3. Writing data to the upstream or downstream CM-data field (e.g. signaling code).

Reading data from the upstream or downstream CM-data field.

MACR:

RWS

MOC3

MOC2

MOC1

MOC0

MOC3..0

Transferred Bits

Channel Bandwidth

0000

0001

0011

0010

0111

0110

0101

0100

–

bits 7..0

bits 7..4

bits 3..0

bits 7..6

bits 5..4

bits 3..2

bits 1..0

–

64 kbit/s

32 kbit/s

16 kbit/s

MACR:

RWS

MOC3

MOC2

MOC1

MOC0

MACR:

RWS

010

PEF2015 Datasheet(PDF) 49 Page - Infineon Technologies AG

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