TDA5235
Appendix
Register Description
Field
Bits
Type
Description
SDLOTHR
7:0
w
Signal Detector Threshold Low Level. This threshold level is
only valid, if the FSK Noise detector selection in the A_NDCONFIG
register is
set to 11b
Reset: 00H
Signal Detector Range Selection Register
A_SIGDETSEL
Offset
042H
Reset Value
7FH
Signal Detector Range Selection Register
ꢀ
ꢃ
ꢈ
ꢄ
ꢅ
ꢆ
ꢇ
ꢁ
5HV
6'56(/$6.
6'56(/)6.
6'/256(/
Z
Z
Z
Field
Bits
Type
Description
SDRSELASK 5:4
w
A_SIGDET0/1 range selection factor for ASK. The selected signal
detector value is multiplied by the 2^range selection factor. Use the
right setting to fit the measured SPWR value.
00B
01B
6
7
10B 7+6
11B
8
Reset: 3H
SDRSELFSK 3:2
w
A_SIGDET0/1 range selection factor for FSK. The selected signal
detector value is multiplied by the 2^range selection factor. Use the
right setting to fit the measured SPWR value.
00B
01B
10B
11B
2
4
6
8
Reset: 3H
SDLORSEL
1:0
w
SIGDETLO range selection factor. The selected signal detector
value is multiplied by the 2^range selection factor. Use the right
setting to fit the measured SPWR value.
00B
01B
10B
11B
2
4
6
8
Reset: 3H
Data Sheet
209
V1.0, 2010-02-19
INFINEON [ Infineon ]
