IC-LNB_13 Datasheet, PDF (34/35 Pages) IC-Haus GmbH – 18-BIT OPTO ENCODER WITH SPI AND SER/PAR INTERFACES

iC-LNB 18-BIT OPTO ENCODER ^preliminary
WITH SPI AND SER/PAR INTERFACES
DESIGN REVIEW: Notes On Chip Functions
Rev A1, Page 34/35
iC-LNB X
No.
1
2
3
4
5
Function, Parameter/Code
FlexCount outputs low:
NOUTLO = 1
Permissible interpolator resolutions:
RESIPO = 0x0 (8 bit) or
RESIPO = 0x3 (deactivated)
Default value of address 0x11 is 0x50
LCMOD not available
LCTYP (address 0x06):
reset value is 0x30
Description and Application Notes
Due to potential malfunction this parameter must not be used.
Interpolator resolution 6/7 bit:
If the rotation alters its direction, incremental and parallel outputs may switch
wrong.
For configuration of iC-LNB first program address 0x11 to 0xA0, then follow
sequence in figure 4.
standard control active
For configuration of iC-LNB first program address 0x06 to 0x60, then follow
sequence in Figure 4.
Table 53: Notes on chip functions regarding iC-LNB chip release X
iC-LNB X1
No.
1
2
3
Function, Parameter/Code
Interpolation without angle hysteresis
(Elec. Char. No. 703)
LCMOD not available
LCTYP (address 0x06):
reset value is 0x30
Description and Application Notes
Use FlexCount (NENFLEX=0) with hysteresis of at least 1 LSB configured by
HYS.
standard control active
For configuration of iC-LNB first program address 0x06 to 0x60, then follow
sequence in Figure 4.
Table 54: Notes on chip functions regarding iC-LNB chip release X1
iC-LNB W1
No.
Function, Parameter/Code
1
LCTYP (address 0x06):
reset value is 0x30
Description and Application Notes
For configuration of iC-LNB first program address 0x06 to 0x60, then follow
sequence in Figure 4.
Table 55: Notes on chip functions regarding iC-LNB chip release W1
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