PSB4860HV4.1 Lantiq, PSB4860HV4.1 Datasheet - Page 69

• Manufacturer Part Number: PSB4860HV4.1
• Manufacturer: Lantiq

Specifications of PSB4860HV4.1

• Lead Free Status / Rohs Status: Supplier Unconfirmed

2.1.15
There are two identical interface channels to the analog frontend as shown in figure 36.
The interface is described in chapter 2.4.3 and must be connected to the double codec
PSB 4851.
Figure 36 Analog Front End Interface - Block Diagram
For each signal an amplifier is provided for level adjustment. The incoming signals can
be passed through an optional high-pass (HP). This high-pass (f
blocking DC offsets and should be enabled by default. Furthermore, up to three signals
can be mixed in order to generate the outgoing signals (S
associated registers.
Table 38
Register # of Bits
IFG1
IFG2
IFS1
IFS1
IFS1
IFS1
IFG3
IFG4
IFS2
IFS2
IFS2
IFS2
Data Sheet
line out
line in
16
16
1
5
5
5
16
16
1
5
5
5
Analog Front End Interface
Analog Front End Interface Registers
S
2
IG1
IG2
Channel 1
Name
IG1
IG2
HP
I1
I2
I3
IG3
IG4
HP
I1
I2
I3
HP
I
I
I
1
2
3
S
Comment
Gain for IG1
Gain for IG2
High-pass for S
Input signal 1 for IG2
Input signal 2 for IG2
Input signal 3 for IG2
Gain for IG3
Gain for IG4
High-pass for S
Input signal 1 for IG4
Input signal 2 for IG4
Input signal 3 for IG4
1
loudspeaker
microphone
69
1
3
S
4
Channel 2
IG3
2
IG4
,S
4
). Table 38 shows the
g
=20 Hz) is useful for
HP
PSB 4860
2000-01-14
I
I
I
1
2
3
S
3