TDA5235
Appendix
Register Description
Field
Bits
Type
Description
UNUSED
7:5
-
UNUSED
Reset: 0H
XTALSWC
4:0
w
Xtal Trim Capacitor Value
Min 00h: 0pF
Value 01h: 1pF
Max 18h: 24pF
higher values than 18h are automatically mapped to 24pF
Reset: 10H
XTAL Fine Calibration Register
XTALCAL1
Offset
08DH
Reset Value
00H
XTAL Fine Calibration Register
ꢀ
ꢄ
ꢅ
ꢆ
ꢇ
ꢁ
;7$/6:) ;7$/6:) ;7$/6:) ;7$/6:)
8186('
ꢃ
ꢂ
ꢁ
ꢀ
ꢂ
Z
Z
Z
Z
Field
Bits
Type
Description
UNUSED
7:4
-
UNUSED
Reset: 0H
XTALSWF3
XTALSWF2
XTALSWF1
XTALSWF0
3
2
1
0
w
w
w
w
Connect 500 fF XTAL Trim capacitor
0B
1B
not connected
connected
Reset: 0H
Connect 250 fF XTAL Trim capacitor
0B
1B
not connected
connected
Reset: 0H
Connect 125 fF XTAL Trim capacitor
0B
1B
not connected
connected
Reset: 0H
Connect 62.5 fF XTAL Trim capacitor
0B
1B
not connected
connected
Reset: 0H
RSSI Monitor Configuration Register
Data Sheet
235
V1.0, 2010-02-19