TDA5230 Datasheet, PDF (35/186 Pages) Infineon Technologies AG – Universal Low Power ASK/FSK Single Conversion Multi-Channel Image-Reject Receiver

TDA523x
Functional Description
Dual: ARFPLL1 and BRFPLL1:Conf.A RF PLL setting, channel 1 (Slave Mode
& Self Polling Mode)
ADDR: 0x22 and 0x43
Bit R/W Description
6:5 W RFPLLA: band selection
00 : select 315 MHz band, A=3
01 : select 434 MHz band, A=2
10 : select 868 MHz band, A=1
4:2 W RFPLLR1: channel 1, PLL divider factor R¹⁾
000 : R = 8
001 : R = 1
010 : R = 2
011 : R = 3
100 : R = 4
101 : R = 5
110 : R = 6
111 : R = 7
1:0 W RFPLLS1: channel 1, PLL divider factor S¹⁾
00 : S = 1
01 : S = 0
10 : S = -1
11 : S = 0
Reset Value: 0x29
1) Channels with receive frequencies close to the harmonics of the reference crystal frequency should not be
used in applications.
Data Sheet
31
Version 4.0, 2007-06-01