si3019-x-fs Silicon Laboratories, si3019-x-fs Datasheet - Page 43

• Manufacturer Part Number: si3019-x-fs
• Description: Global Serial Interface Direct Access Arrangement
• Manufacturer: Silicon Laboratories

Master
Slave 1
Master FSYNC
Master FSD/
Slave1 FSYNC
SDI [0]
SDI [15..1]
SDO [0]
SDO[15..1]
Comments
FSYNC
FSYNC
SDI
SDO
(mode 0)
(mode 1)
Serial Mode 1
Reg 14: NSLV = 1, SSEL = 2, FSD = 0, DCE = 1
Serial Mode 2
Reg 14 Reset values: NSLV = 1, SSEL = 3, FSD = 1, DCE = 1
32 SCLKs
Figure 30. Secondary Communication Data Format—Write Cycle
Primary frames with secondary frame requested via SDI[0] = 1
Master
Master
1
1
Figure 31. Daisy Chaining of a Single Slave (Pulse FSD)
Prim ary Frame (Data)
Slave1
Slave1
1
0
128 SCLKs
R/W
D15 D14 D13 D12 D11 D10 D9
0
A
A
A
Rev. 1.05
A
A
A
A
D8
32 SCLKs
Master
Master
Master
Master
D
D7
D
D6
D
D5
Secondary Frame (Control)
D
D4 D3
Slave1
Slave1
Slave1
Slave1
D
128 SCLKs
Si3018/19/10
D
D2
D
D1 D0
D
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