TDA5235
Appendix
Register Description
ꢀ
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Z
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Field
Bits
Type
Description
UNUSED
7:5
-
UNUSED
Reset: 0H
RFOFF
4
w
Switch off RF-path (for RSSI trimming)
0B
1B
RF path enabled
RF path disabled
Reset: 0H
IFATT
3:0
w
Adjust IF attenuation from LNA_IN to IF_OUT (Double-Down
Conversion / Single-Down Conversion)
Used to trim out external component tolerances.
0000B 0 dB / n.u.
0001B 0.8 dB / n.u.
0010B 1.6 dB / n.u.
0011B 2.4 dB / n.u.
0100B 3.2 dB / 0 dB
0101B 4.0 dB / 0.8 dB
0110B 4.8 dB / 1.6 dB
0111B 5.6 dB / 2.4 dB
1000B 6.4 dB / 3.2 dB
1001B 7.2 dB / 4.0 dB
1010B 8.0 dB / 4.8 dB
1011B 8.8 dB / n.u.
1100B 9.6 dB / n.u.
1101B 10.4 dB / n.u.
1110B 11.2 dB / n.u.
1111B 12.0 dB / n.u.
Reset: 7H
BPF Calibration Configuration Register 0
BPFCALCFG0
Offset
08AH
Reset Value
07H
BPF Calibration Configuration Register 0
ꢀ
ꢈ
ꢄ
ꢅ
ꢁ
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ꢂ
Z
Data Sheet
233
V1.0, 2010-02-19
INFINEON [ Infineon ]
