iC-MSBSAFETY, iC-MSB2
SIN/COS SIGNAL CONDITIONER WITH 1Vpp DRIVER
Rev D2, Page 20/29
( not for safety applications )
EXTENDED SIGNAL PATH MULTIPLEXING: iC-MSB2
Figure 4: 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
EAZ
Code
0
Adr 0x03, bit 7
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.
Function
Comparator bypass
Comparator active
1
MUXIN
Code
00
0x03, bit 1:0
Table 28: Index Output
PCH1i
X4
NCH1i
X6
PCH2i
X3
NCH2i
X5
MUXOUT
Code
000
Adr 0x03, bit 6:4
01
X4
X6
X5
X5
PS_Out
NS_Out
PC_Out
NC_Out
10
X4
X5
X3
X6
Channel 1
Channel 2
11
X4
X3
X5
X6
010
Channel 1
Channel 1 inverted
Channel 1 inverted
Channel 2
Channel 2 inverted
Channel 2
Table 25: Input Multiplexer for INMODE = 0
100
110
Channel 2 inverted
Channel 1
001
MUXIN
0x03, bit 1:0
PCH1i
X4
011
Channel 2
Channel 1 inverted
Channel 1
Code
-0
NCH1i
X2
PCH2i
X3
NCH2i
X2
101
Channel 2 inverted
Channel 2 inverted
111
Channel 1 inverted
-1
X4
X2
X5
X2
Table 29: Output Multiplexer
Table 26: Input Multiplexer for INMODE = 1
INVZ
Code
0
Adr 0x03, bit 3
PZ_out
PCH0o
NCH0o
NZ_out
NCH0o
PCH0o
1
Table 27: Index Signal Inversion
ICHAUS [ IC-HAUS GMBH ]
