SA58646 Datasheet, PDF (15/42 Pages) NXP Semiconductors – UHF 900 MHz transceiver IC

Table 7.
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Data registers including preset values at power-on
Addr D15 D14 D13
D12
D11 D10 D9 D8 D7
D6
D5
D4
D3
D2
D1
D0
000 SBS EARP_VOL[1:0] EARP
RX_GAIN[4:0]
SFS D_PHASE
FM_PLL_VCO[4:0]
0
11
0
0 1111
1
0
0 1111
001
RX_PRE[5:0]
RX_MDIV[9:0]
XX XXXX
XX XXXX XXXX
010
[1]
REF_DIV[9:0]
00 0000
XX XXXX XXXX
011
TX_PRE[5:0]
TX_MDIV[9:0]
XX XXXX
XX XXXX XXXX
100 TM2 CLKO TM1 DOUBLER
TX_GAIN[4:0]
TX_MU HD_LIM ALC
XTAL RX_MU DEM_FIL ^[1]
0
0
0
0
01111
1
0
0
1
1
0
0
101 REG
MODE[1:0]
XTAL_H
CAR_DET_LEV[4:0]
L_BAT_DET[2:0]
BAT_DET
CLK_DIV[2:0]
1
00
1
0 0000
000
1
100
110
PA_OUT[2:0]
TX_CP RX_CP REG_ADJ[2:0]
EXP[1:0]
TM0
[1]
XTAL_TUN[3:0]
010
0
0
011
00
0
0
0111
[1] Undefined zone should always be programmed with logic 0.