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5GHz Receiver
t CSW
CS
SCLK
t CSO
t CSS
t CSH
t CS1
t DS
t DH
t CH
t CL
DIN
(SPI WRITE)
DIN
R/W
R/W
A4
A4
A0
A0
D9
D9
D0
D0
DON’T CARE
DON’T CARE
(SPI READ)
t D
DOUT
(SPI READ)
DON’T CARE
D9
D0
DON’T CARE
Figure 1. 4-Wire SPI Serial-Interface Timing Diagram
SPI Register Definition
(All values in the register summary table are typical numbers. The MAX2852 SPI does not have a power-on-default self-
reset feature; the user must program all SPI addresses for normal operation. Prior to use of any untested settings, contact
the factory.)
Table 2. Register Summary
READ/WRITE AND ADDRESS
DATA
REGISTER
Main0_
D0
A4:A0
WRITE (W)/
READ (R)
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Main0
0
00000
W/R
RESERVED
RESERVED
RESERVED RESERVED RESERVED
MODE<2:0>
RFBW
M/L_SEL
Default
0
1
0
0
0
0
0
0
1
0
Main1
0
00001
W/R
Default
RESERVED
0
RESERVED
0
1
LNA_GAIN<2:0>
1
1
1
1
RX_VGA<4:0>
1
1
1
Main2
0
00010
W/R
Default
RESERVED
0
RESERVED RESERVED
1 1
LNA_BAND<1:0>
0 1
RESERVED
0
RESERVED
0
RESERVED
0
RESERVED
0
RESERVED
0
Main3
0
00011
W
R
Default
RESERVED
RESERVED
0
RESERVED
RESERVED
0
TS_EN
0
TS_TRIG
0
RESERVED RESERVED
RESERVED
0
0
RESERVED
0
RESERVED
TS_READ<4:0>
0
RESERVED
0
RESERVED
0
______________________________________________________________________________________
19
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