MAX2850ITK+ Maxim Integrated Products, MAX2850ITK+ Datasheet - Page 22

• Manufacturer Part Number: MAX2850ITK+
• Description: RF Transmitter 5GHz, 4-Ch MIMO Tran smitter WLAN 802.11a
• Manufacturer: Maxim Integrated Products

Specifications of MAX2850ITK+

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

5GHz, 4-Channel MIMO Transmitter
Figure 1. 4-Wire SPI Serial-Interface Timing Diagram
(All values in the register summary table are typical numbers. The MAX2850 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
22
REGISTER
Main0
Main1
Main2
Main3
_____________________________________________________________________________________
Main0_
READ/WRITE AND ADDRESS
D0
0
0
0
0
A4:A0
00000
00001
00010
00011
(SPI WRITE)
SCLK
(SPI READ)
(SPI READ)
WRITE (W)/
CS
DOUT
READ (R)
DIN
DIN
Default
Default
Default
Default
W/R
W/R
W/R
W
R
t
CSO
t
CSS
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
R/W
R/W
D9
0
0
0
0
t
DON’T CARE
DS
A4
A4
RESERVED
RESERVED RESERVED
RESERVED
RESERVED
D8
1
0
1
0
TS_EN
D7
1
1
1
0
A0
A0
E_TX<4:1>
t
DH
LNA_GAIN<2:0>
t
D9
D9
D
TS_TRIG
t
LNA_BAND<1:0>
CH
D6
1
1
0
0
D9
t
CL
RESERVED RESERVED
RESERVED
D5
1
1
1
0
DATA
RESERVED
D4
D0
D0
0
1
0
0
t
CSH
SPI Register Definition
t
D0
CS1
MODE<2:0>
DON’T CARE
DON’T CARE
RESERVED
RESERVED
t
CSW
D3
0
1
0
0
DON’T CARE
TS_READ<4:0>
RX_VGA<4:0>
RESERVED
RESERVED
D2
0
1
0
0
RESERVED RESERVED
RESERVED RESERVED
RFBW
D1
1
1
0
0
M/L_SEL
D0
0
1
0
0