iC-MSBSAFETY, iC-MSB2
SIN/COS SIGNAL CONDITIONER WITH 1Vpp DRIVER
Rev D2, Page 19/29
SIGNAL PATH MULTIPLEXING: iC-MSBSAFETY
Figure 3: Multiplexer Schematics
The signals for index channel CH0 are connected up to EAZ permits the activation of an analog comparator for
pins X1 and X2. Pins X3 to X6 are allocated to internal index channel CH0.
channels CH1 and CH2 via MUXIN. INMODE can be
INVZ
Code
0
Adr 0x03, bit 3
activated for referenced input signals; this then selects
X2 as the reference input. For output purposes INVZ
allows the index signal phase to be inverted.
PZ_out
NZ_out
NCH0o
PCH0o
PCH0o
1
NCH0o
MUXIN
Code
00
0x03, bit 1:0
Table 24: Index Signal Inversion
PCH1i
X4
NCH1i
X6
PCH2i
X3
NCH2i
X5
01
X4
X6
X5
X5
10
X4
X5
X3
X6
11
X4
X3
X5
X6
Table 21: Input Multiplexer for INMODE = 0
MUXIN
0x03, bit 1:0
PCH1i
X4
Code
-0
NCH1i
X2
PCH2i
X3
NCH2i
X2
-1
X4
X2
X5
X2
Table 22: Input Multiplexer for INMODE = 1
EAZ
Code
0
Adr 0x03, bit 7
Function
Comparator bypass
Comparator active
1
Table 23: Index Output