SI3019-F-FM View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
Manufacturer
SI3019-F-FM Datasheet PDF : 128 Pages
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Si3050 + Si3011/18/19
SDO
SCLK
CPU CS
SDI
SCLK SDI
CS
Channel 0
SDO
SDITHRU
Si3050 #1
SCLK SDI
CS
Channel 1
SDO
SDITHRU
Si3050 #2
SDI0
SDI1
SDI2
SDI3
SDI14
SDI15
48
SCLK SDI
CS
Channel 15
SDO
Si3050 #16
SDITHRU
Figure 36. SPI Daisy Chain Control Architecture
BRCT
0
0
0
0
R/W
0 or 1
0 or 1
0 or 1
0 or 1
SPI Control Byte
1
0
CID[0]
1
0
0
1
0
1
1
0
0
1
0
1
CID[1]
0
0
1
1
CID[2]
0
0
0
0
CID[3]
0
0
0
0
0
0 or 1
1
0
0
1
1
1
0
0 or 1
1
0
1
1
1
1
Figure 37. Sample SPI Control Byte to Access Channel 0
Rev. 1.5
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