iC-MR 13-BIT S&H SIN/COS
INTERPOLATOR WITH CONTROLLER INTERFACES
Rev A1, Page 3/44
CONTENTS
PACKAGING INFORMATION
4
Acquiring position data . . . . . . . . . . . . . 28
EEPROM INTERFACE 29
PIN CONFIGURATION QFN48-7x7
(topview) . . . . . . . . . . . . . . . . .
4
5
5
6
Address range . . . . . . . . . . . . . . . . . 29
Accessing external memory banks . . . . . . 30
Startup and selection of I/O interface . . . . . 30
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
PARALLEL I/O INTERFACE
31
ELECTRICAL CHARACTERISTICS
Reading out registers . . . . . . . . . . . . . 31
Writing to registers . . . . . . . . . . . . . . . 31
Reading out position data . . . . . . . . . . . 31
OPERATING CONDITIONS:
PARALLEL I/O INTERFACE
11
OPERATING CONDITIONS:
SERIAL I/O INTERFACE
SERIAL I/O INTERFACE: BiSS C
34
12
14
15
18
Configuration . . . . . . . . . . . . . . . . . . 34
Register communication . . . . . . . . . . . . 35
Commands . . . . . . . . . . . . . . . . . . . 35
Configuration examples . . . . . . . . . . . . 35
CONFIGURATION PARAMETERS
REGISTER MAP
SERIAL I/O INTERFACE: SSI
36
OPERATING MODES
Configuration . . . . . . . . . . . . . . . . . . 36
Configuration examples . . . . . . . . . . . . 36
Calibration modes . . . . . . . . . . . . . . . 18
BIAS CURRENT SOURCE AND SIGNAL
FILTER
18
SERIAL I/O INTERFACE: SPI
37
Bias current source . . . . . . . . . . . . . . . 18
Signal filter . . . . . . . . . . . . . . . . . . . 18
Register access . . . . . . . . . . . . . . . . 37
Cyclic readout . . . . . . . . . . . . . . . . . 37
SIGNAL CONDITIONING
19
ABSOLUTE DATA INTERFACE (ADI)
SAFETY FEATURES
37
40
Input configuration . . . . . . . . . . . . . . . 19
Gain settings SIN and COS . . . . . . . . . . 20
Offset calibration SIN and COS . . . . . . . . 20
Phase correction SIN vs. COS . . . . . . . . 21
Diagnostic data . . . . . . . . . . . . . . . . . 22
CRC Verification . . . . . . . . . . . . . . . . 40
Safety register . . . . . . . . . . . . . . . . . 40
Status and command register . . . . . . . . . 41
Error mask . . . . . . . . . . . . . . . . . . . 41
Life counter . . . . . . . . . . . . . . . . . . . 42
AMPLITUDE CONTROL
23
12-BIT A/D CONVERTER
24 DESIGN REVIEW: Application notes
26 REVISION HISTORY
43
43
INTERPOLATOR AND CYCLE COUNTER
ICHAUS [ IC-HAUS GMBH ]
