84
A2.5
AFE Control Diagram
LMS7002M
AFE
AFE mux
DAC
core
ISEL_DAC_AFE
(0x0082[15:13])
MUX_AFE_1
(0x0082[11:10])
MUX_AFE_2
(0x0082[9:8])
PD_AFE
(0x0082[5])
PD_RX_AFE_1
(0x0082[4])
PD_RX_AFE_2
(0x0082[3])
PD_TX_AFE_1
(0x0082[2])
PD_TX_AFE_2
(0x0082[1])
From: DTXQ_AFE1<11:0> (TX TSP)
From: DTXI_AFE1<11:0> (TX TSP)
From: CLKDAC (CLKGEN)
To: CLKTX_OUT_A (CLK delay)
To: tbbii(p/n)_1 (TX BB)
To: tbbiq(p/n)_1 (TX BB)
ADC
core
From: rbboi(p/n)_1 (RX BB, external in)
From: rbboq(p/n)_1 (RX BB, external in)
From: pdeto(p/n)_1 (TX RF)
From: bias_top_adcin<1:0> (TOP BIAS)
From: out_rssi_rfe_1
and
vrefout_rssi_rfe_1 (RX RF)
From: CLKADC (CLKGEN)
To: CLKRX_OUT_A (CLK delay)
To: DRXI_AFE1<11:0> (TX TSP)
To: DRXQ_AFE1<11:0> (TX TSP)
Top bias
block
AFE mux
DAC
core
From: DTXQ_AFE2<11:0> (TX TSP)
From: DTXI_AFE2<11:0> (TX TSP)
From: CLKDAC (CLKGEN)
To: CLKTX_OUT_B (CLK delay)
To: tbbii(p/n)_2 (TX BB)
To: tbbiq(p/n)_2 (TX BB)
ADC
core
From: rbboi(p/n)_2 (RX BB, external in)
From: rbboq(p/n)_2 (RX BB, external in)
From: pdeto(p/n)_2 (TX RF)
From: out_rssi_rfe_2
and
vrefout_rssi_rfe_2 (RX RF)
From: CLKADC (CLKGEN)
To: CLKRX_OUT_B (CLK delay)
To: DRXI_AFE2<11:0> (TX TSP)
To: DRXQ_AFE2<11:0> (TX TSP)
From: out_rssi_rfe_1
and
vrefout_rssi_rfe_1 (RX RF)
ISEL_DAC_AFE
(0x0082[15:13])
MODE_INTERLEAVE_AFE
(0x0082[12])
MODE_INTERLEAVE_AFE
(0x0082[12])
Analog signal lines
Signal input/output
RESET_N
(XXXX)
IO control name (register adress)
Control signal lines
Figure 13 AFE control structure
Содержание LMS7002M Series
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