PCD5096 datasheet(37/52 Pages) PHILIPS

37 / 52 page

1997 Jan 22

Philips Semiconductors

Preliminary speciﬁcation

Universal codec

PCD5096

Table 35 DSP parameters for two active channels

Table 36 IOM control table for two active channels

SDR

ADDRESS

(HEX)

PARAMETER NAME

VALUE

(HEX)

FUNCTION

LLa_IOM1

LLb_IOM1

484C

not used

LLa_LSW

LLb_LSW

FFFF

× analog line interface (LLx_IOM1 not used)

LLa_LEC

LLb_LEC

FFFF

× Local Echo Canceller ON

LLa_NES

LLb_NES

2D2D

× Network Echo Suppressor (9 dB attenuation)

LLa_AGC

LLb_AGC

FFFF

× Automatic Gain Control ON

LLa_TXV

LLb_TXV

2020

× Transmit Volume set to 0 dB

LLa_ISW

LLb_ISW

0000

× 8-bit A-law PCM data

LLa_IOM2

LLb_IOM2

4044

Codec 1 uses IOM buffer at address 40H

Codec 2 uses IOM buffer at address 44H

LLa_SMU2

LLb_SMU2

0000

× Soft Mute OFF

LLa_AVR

LLb_AVR

0000

× Automatic Volume Control OFF

LLa_RXV

LLb_RXV

2020

× Receive Volume set to 0 dB

LLa_PST

LLb_PST

0000

× Site Tone OFF

LLa_TST

LLb_TST

0000

× Tone Site Tone OFF (LLx_TOGx and LLx_TOVx not used)

LLa_TOV1

LLb_TOV1

4040

× Tone Volume for Tone 1 set to 0 dB

LLa_TOV2

LLb_TOV2

4040

× Tone Volume for Tone 2 set to 0 dB

LLa_TOG1

7ECE

Tone 1 to Codec 1

LLa_TOG2

7E8A

Tone 2 to Codec 1

LLb_TOG1

7E37

Tone 1 to Codec 2

LLb_TOG2

7DD2

Tone 2 to Codec 2

CCa_CNC

reserved

0000

no conference call (CCa_IOMx not used)

CCa_IOM3

CCa_IOM4

5054

not used

CCa_SMU3 CCa_SMU4

0000

not used

SDR

ADDRESS

(HEX)

PARAMETER NAME

VALUE

(HEX)

FUNCTION

slot 0 control

0070

IOM slot 0 uses buffer at address 40H

slot 1 control

0071

IOM slot 1 uses buffer at address 44H

22 to 3F

slot 2-slot 32

0000

slots 2 to 32 inactive

PCD5096 Datasheet(PDF) 37 Page - NXP Semiconductors

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