CS6422 Cirrus Logic, Inc., CS6422 Datasheet - Page 26

• Manufacturer Part Number: CS6422
• Description: Evaluation board
• Manufacturer: Cirrus Logic, Inc.

3.8
26
HwlD
b15
Bits
0
7-6
5-4
15
14
13
12
11
10
9
8
Register 5
b14
TD
0
* Denotes reset value
APCD
NPCD
AECD
NECD
Name
APFD
NPFD
0
HwlD
NSdt
ASdt
TD
APCD NPCD APFD NPFD AECD NECD
b13
0
b12
0
Acoustic Path Change detector Disable
Network Path Change detector Disable
Acoustic Pre-emphasis Filter Disable
Network Pre-emphasis Filter Disable
Acoustic Echo Canceller Disable
Network Echo Canceller Disable
b11
0
Acoustic Sidetone level
Network Sidetone level
Howl detector Disable
Tone detector Disable
Table 8. Register 5 Bit Definitions
b10
Function
0
0
b9
0
b8
0
b7
0
ASdt
b6
0
Word
0
00*
00*
01
10
01
10
0*
0*
0*
0*
0*
0*
0*
0*
11
11
1
1
1
1
1
1
1
1
b5
0
NSdt
b4
0
disable howl detector
disable tone detector
enable howl detector
enable tone detector
disable PC detector
disable PC detector
enable PC detector
enable PC detector
b3 b2 b1 b0
disable NEC
disable AEC
disable filter
disable filter
enable AEC
enable NEC
1
enable filter
enable filter
Operation
-24 dB
-18 dB
-12 dB
-24 dB
-18 dB
-12 dB
none
none
CS6422
0
A
1
0