IC-MR3 datasheet(3/63 Pages) ICHAUS

3 / 63 page

iC-MR3 13-BIT S&H SIN/COS INTERPOLATOR

WITH 2.5 V / 5 V CONTROLLER INTERFACES

Rev C1, Page 3/63

CONTENTS

PACKAGING INFORMATION

PIN CONFIGURATION QFN48-7x7

(topview) . . . . . . . . . . . . . . . . .

PACKAGE DIMENSIONS . . . . . . . . . . .

ABSOLUTE MAXIMUM RATINGS

THERMAL DATA

ELECTRICAL CHARACTERISTICS

OPERATING REQUIREMENTS

Absolute Data Interface (ADI)

. . . . . . . .

Parallel I/O Interface

. . . . . . . . . . . . .

Serial I/O Interface: BiSS/SSI Protocol

. . .

Serial I/O Interface: SPI Protocol . . . . . . .

CONFIGURATION PARAMETERS

OPERATING MODES

Calibration modes . . . . . . . . . . . . . . .

Extended test modes . . . . . . . . . . . . .

BIAS CURRENT SOURCE

SIGNAL CONDITIONING

Input configuration . . . . . . . . . . . . . . .

Current signals . . . . . . . . . . . . . . . . .

Voltage signals . . . . . . . . . . . . . . . . .

Input reference voltage . . . . . . . . . . . .

Sine/cosine gain settings . . . . . . . . . . .

Sine/cosine offset calibration . . . . . . . . .

Sine to cosine phase correction . . . . . . . .

AMPLITUDE CONTROL

Sum control mode . . . . . . . . . . . . . . .

Square control mode . . . . . . . . . . . . . .

Combined control mode . . . . . . . . . . . .

Constant current source . . . . . . . . . . . .

Signal level monitoring . . . . . . . . . . . . .

SIGNAL MONITORING

SIGNAL FILTERING AND SIN/COS OUTPUT

DRIVERS

Signal filtering . . . . . . . . . . . . . . . . .

Sin/Cos output drivers . . . . . . . . . . . . .

12-BIT A/D CONVERTER

INTERPOLATION AND CYCLE COUNTING

Adjustment of data direction . . . . . . . . . .

Position preset by offset correction . . . . . .

Multiturn data length . . . . . . . . . . . . . .

Singleturn data length . . . . . . . . . . . . .

Position data acquisition modes . . . . . . .

ABSOLUTE DATA INTERFACE (ADI)

Direct communication with the sensor at ADI

STARTUP AND I/O INTERFACE SELECTION

Startup with EEPROM

. . . . . . . . . . . .

Startup without EEPROM . . . . . . . . . . .

I/O Interface selection . . . . . . . . . . . . .

PARALLEL I/O INTERFACE

Reading from registers . . . . . . . . . . . . .

Writing to registers . . . . . . . . . . . . . . .

Reading position data . . . . . . . . . . . . .

SERIAL I/O INTERFACE: BiSS C

Configuration . . . . . . . . . . . . . . . . . .

Adaptive Timeout . . . . . . . . . . . . . . . .

BiSS commands . . . . . . . . . . . . . . . .

Configuration examples . . . . . . . . . . . .

SERIAL I/O INTERFACE: SSI

Configuration . . . . . . . . . . . . . . . . . .

Configuration examples . . . . . . . . . . . .

SERIAL I/O INTERFACE: SPI

Command execution . . . . . . . . . . . . . .

Cyclic read . . . . . . . . . . . . . . . . . . .

EEPROM INTERFACE

Basic interface features . . . . . . . . . . . .

EEPROM device requirements . . . . . . . .

I2C slave addressing . . . . . . . . . . . . . .

Memory sections . . . . . . . . . . . . . . . .

Accessing external memory banks . . . . . .

Configuration data checksum . . . . . . . . .

ACCESSING EXTERNAL MEMORY

COMMAND AND STATUS REGISTER

Command register . . . . . . . . . . . . . . .

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