iC-NQL

13-bit Sin/D CONVERTER WITH SSI INTERFACE

Rev D2, Page 10/24

PARAMETERS and REGISTERS

Register Description . . . . . . . . . . . . . . . . . . . . . . . Page 10

Signal Conditioning . . . . . . . . . . . . . . . . . . . . . . . Page 11

GAIN:

Gain Select

SINOFFS:

Offset Calibration Sine

COSOFFS:

Offset Calibration Cosine

REFOFFS:

Offset Calibration Reference

RATIO:

Amplitude Calibration

PHASE:

Phase Calibration

Converter Function . . . . . . . . . . . . . . . . . . . . . . . . Page 12

SELRES:

Resolution

HYS:

Hysteresis

FCTR:

Max. Permissible Converter Frequency

Incremental Signals . . . . . . . . . . . . . . . . . . . . . . . Page 15

CFGABZ:

Output A, B, Z

ROT:

Direction of Rotation

ENRESDEL: Output Turn-On Delay

ZPOS:

Zero Signal Position

CFGZ:

Zero Signal Length

CFGAB:

Zero Signal Logic

Signal Monitoring

and Error Messages . . . . . . . . . . . . . . . . . . . . . . . Page 17

SELAMPL:

Amplitude Monitoring, function

AMPL:

Amplitude Monitoring, thresholds

AERR:

Amplitude Error

FERR:

Frequency Error

Test Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 18

TMODE:

Test Mode

TMA:

Analog Test Mode

SSI Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 19

CFGTOS:

Interface Timeout

CFGSSI:

SSI Output Options

OVERVIEW

Adr

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

0x00

0

0

0

SELRES(4:0)

0x01

HYS(2:0)

ZPOS(4:0)

0x02

ENRESDEL

1

ROT

0

CFGABZ(1:0)

CFGZ(1:0)

0x03

CFGSSI(1:0)

CFGAB(1:0)

0

0

AERR

FERR

0x04

FCTR(7:0)

0x05

0

FCTR(14:8)

0x06

0

0

CFGTOS(1:0)

TMODE(2:0)

TMA

0x07

0

0

0

0

0

0

0

0

0x08

GAIN(3:0)

RATIO(3:0)

0x09

SINOFFS(7:0)

0x0A

COSOFFS(7:0)

0x0B

PHASE(5:0)

REFOFFS

RATIO(4)

0x0C

0

0

0

0

0

SELAMPL

AMPL(1:0)

0x0D

0

0

0

0

0

0

0

0

0x0E

0

0

0

0

0

0

0

0

0x0F

CRC_E2P(7:0) - check value read from the EEPROM for addresses 0x00 to 0x0E

Note

Registers not in use must be set to zero unless otherwise noted.

Table 5: Register layout