tda5235 Infineon Technologies Corporation, tda5235 Datasheet - Page 211

• Manufacturer Part Number: tda5235
• Description: Enhanced Sensitivity Double-configuration Receiver With Digital Baseband Processing
• Manufacturer: Infineon Technologies Corporation

FSK Noise Detector Configuration Register
A_NDCONFIG
FSK Noise Detector Configuration Register
Field
NDRSEL
NDSEL
NDTL
NDPDSR
Clock and Data Recovery P Configuration Register
A_CDRP
Clock and Data Recovery P Configuration
Register
Data Sheet
Bits
7:6
5:4
3:2
1:0
Type
w
w
w
w
Description
FSK Noise Detector Range Selection
00
01
10
11
Reset: 0
Signal and Noise Detector Selection
00
01
10
11
Reset: 0
FSK Noise Detector Threshold Level
00
01
10
11
Reset: 1
FSK Noise Detector - Peak Detector Slew Rate
00
01
10
11
Reset: 3
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
ASK.
detect signal is valid only if the SIGDETLO threshold is exceeded.
This is the recommended mode for FSK.
2^7
2^6
2^5
2^4
Signal detection (=Squelch) only. This mode is recommended for
Noise detection only
Signal and noise detection simultaneously
Signal and noise detection simultaneously, but the FSK noise
1/2
3/8
1/4
1/8
1/256
1/128
1/64
1/32
H
H
H
H
Offset
Offset
045
046
211
H
H
Register Description
V1.0, 2010-02-19
Reset Value
Reset Value
Appendix
TDA5235
E6
07
H
H