PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 142
![no-image](/images/no-image-200.jpg)
PSB7238
Manufacturer Part Number
PSB7238
Description
Joint Audio Decoder-Encoder - Multimode
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.PSB7238.pdf
(190 pages)
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Semiconductor Group
e
Value after reset: 00
EVOL
EV(7-0)
Value after reset: 00
DVOL
DV(7-0)
The whole control/status block is usually only written once in the beginning of
communication.
(MSB)
(MSB)
EV7
DV7
Encoder Volume
Encoding mute enable. After switching, a ramping function is
implemented to avoid audible clicks.
0
1
00
FF
Decoder Volume
00
FF
H
H
H
H
-
-
DV6
EV6
H
H
Encoding Mute disabled
Encoding Mute enabled
Adjusts the gain on the analog input. Realized by multiplying the
encoder input samples with (EV(7-0) + 1)/256, i.e. 00
minimum and FF
Adjusts the gain on the analog output. Realized by multiplying
the decoder output samples with (DV(7-0) + 1)/256, i.e. 00
the minimum and FF
DV5
EV5
EV4
DV4
H
the maximum volume.
142
H
the maximum volume.
DV3
EV3
DV2
EV2
EV1
DV1
Mailbox Address 07
Mailbox Address 08
Data Sheet 1998-07-01
Firmware Features
(LSB)
(LSB)
DV0
EV0
PSB 7238
H
is the
H
is
H
H
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