PSB7230 Datasheet, PDF (126/179 Pages) Siemens Semiconductor Group – Joint Audio Decoder-Encoder for Analog Videophone JADE AN

PSB 7230
Value after reset: 00_H
(MSB)
MODE EM3
EM2
EM1
EM0
DM3
Firmware Features
Mailbox Address 04_H
DM2
DM1
(LSB)
DM0
EM(3-0),
DM(3-0)
Audio modes for encoder (EM(3-0)) and decoder (DM(3-0)).
0_H Neutral mode, no compressed audio data is exchanged
1_H Pass-through 8 kHz sampled data, not available when Host/Host
is selected as interface combination for compressed/
uncompressed data.
2_H G.711 8 kHz sample rate A-law encoding/decoding
3_H G.711 8 kHz sample rate µ-law encoding/decoding
4_H Reserved.
5_H Reserved.
6_H G.723 8 kHz sample rate MP-MLQ (6.3 Kbit/s) or ACELP
(5.3 Kbit/s) coding
Value after reset: 00_H
(MSB)
OPT1
I
0
Mailbox Address 05_H
(LSB)
0
P1
P0
L2
L1
L0
Data is invalid. If I is set then the compressed data in this packet was
missing or had errors. The data words in this packet are still sent to
avoid buffer problems.
0 Data is valid
1 Data is invalid
Semiconductor Group
126
Data Sheet 1998-07-01