Si3210/Si3211/Si3212
Register 0. SPI Mode Select
Bit
D7
D6
D5
D4
D3
D2
D1
D0
Name
Type
SPIDC
R/W
SPIM
R/W
PNI[1:0]
R
RNI[3:0]
R
Reset settings = 00xx_xxxx
Bit
Name
Function
7
SPIDC
SPI Daisy Chain Mode Enable.
0 = Disable SPI daisy chain mode.
1 = Enable SPI daisy chain mode.
6
SPIM
SPI Mode.
0 = Causes SDO to tri-state on rising edge of SCLK of LSB.
1 = Normal operation; SDO tri-states on rising edge of CS.
5:4
PNI[1:0]
Part Number Identification.
00 = Si3210
01 = Si3211
10 = Si3212
11 = Si3210M
3:0
RNI[3:0]
Revision Number Identification.
0001 = Revision A, 0010 = Revision B, 0011 = Revision C, etc.
Preliminary Rev. 1.11
55