Forward divider
2^N
VCO
feedback
divider
Fractional
PFD
CP
LPF
Reset
signal
SYNC
SDM
ΣΔ
Vtune
Comparator
LPF test
muxer
Test signal
muxers
To SPI: COARSEPLL_COMPO_SXT (0x0123[14])
To SPI: COARSE_STEPDONE_SXT (0x0123[15])
To SPI: VCO_CMPHO_SXT (0x0123[13])
To SPI: VCO_CMPLO_SXT (0x0123[12])
To SPI: SDM_TSTO_STX<13:0>
PD_CP_SXT (0x011C[5])
REVPH_PFD (0x0122[12])
IOFFSET_CP_SXT<5:0> (0x0122[11:6])
IPULSE_CP_SXT<5:0> (0x0122[5:0])
CP3_PLL_SXT<3:0> (0x0123[7:4])
EN_COARSEPLL_SXT (0x011C[12])
CPZ_PLL_SXT<3:0> (0x0123[3:0])
CP2_PLL_SXT<3:0> (0x0123[11:8])
From: XCLK_TX (XBUF TX)
RESET_N_SXT (0x011C[15])
EN_INTONLY_SDM_SXT (0x011C[9])
EN_SDM_TSTO_SXT (0x00A8[6])
SX_DITHER_EN_SXT (0x011F[1])
FRAC_SDM_SXT<19:0> (0x011D[15:0])+(0x011E[3:0])
INT
_
SDM
_
SXT
<9
:
0
>
(
0
x
011
E[
13
:
4
])
REV_SDMCLK_SXT (0x011F[0])
SEL_SDMCLK_SXT (0x011F[2])
EN_SDM_CLK_SXT (0x011C[8])
PD_SDM_SXT (0x011C[3])
PD_VCO _SXT (0x011C[1])
SEL_VCO_SXT<1:0> (0x0121[2:1])
SPDUP_VCO_SXT (0x011C[14])
BYPLDO_VCO_SXT (0x011C[13])
CURLIM_VCO_SXT (0x011C[11])
RSEL_LDO_VCO_SXT<4:0> (0x0121[15:11])
VDIV_VCO_SXT<7:0> (0x0120[15:8])
ICT_VCO_SXT<7:0> (0x0120[7:0])
CSW_VCO_SXT<7:0> (0x0121[10:3])
PD_FBDIV_SXT (0x011C[7])
COARSE_START_SXT (0x0121[0])
EN_DIV2_DIVPROG_SXT (0x011C[10])
DIV_LOCH_SXT<2:0> (0x011F[8:6])
PW_DIV2_LOCH_SXT<2:0> (0x011F[14:12])
PW_DIV4_LOCH_SXT<2:0> (0x011F[11:9])
PD_VCO_COMP_SXT (0x011C[2])
TST_SX_SXT<2:0> (0x011F[5:3])
Bias
blocks
Buffers
for SPI
signals
LMS7002M
SX_TOP TX
Analog signal lines
Signal input/output
RESET_N (XXXX)
IO control name (register adress)
EN_COARSEPLL_SXT (0x011C[12])
PD_VCO _SXT (0x011C[1])
PD_VCO _SXT (0x011C[1])
PD_CP_SXT (0x011C[5])
TST_SX_SXT<2:0> (0x011F[5:3])
TST_SX_SXT<2:0> (0x011F[5:3])
PD_FDIV_SXT (0x011C[4])
Control signal lines
TST_SX_SXT<2> (0x011F[5])
Mux+buffer
To: tstdo<1:0>
(PAD)
From: LOCH_OP_R (SXR)
From
:
LOCH
_
ON
_
R
(
SXR
)
Buffer Buffer
PD_LOCH_T2RBUF (0x011C[6])
To: tstao (PAD)
To: LOCH_IRP (RX RF)
To: LOCH_IRN (RX RF)
To: LOCH_ITP (TX RF)
To: LOCH_ITN (TX RF)
RZ_CTRL_SXR<1:0> (0x0122[15:14])
CMPLO_CTRL_SXT (0x0122[13])
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