IC-MR Datasheet, PDF(34/44 Page) IC-Haus GmbH – 13-BIT S&H SIN/COS INTERPOLATOR WITH CONTROLLER INTERFACES

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IC-MR Datasheet, PDF (34/44 Pages) IC-Haus GmbH – 13-BIT S&H SIN/COS INTERPOLATOR WITH CONTROLLER INTERFACES

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iC-MR 13-BIT S&H SIN/COS

preliminary

INTERPOLATOR WITH CONTROLLER INTERFACES

SERIAL I/O INTERFACE: BiSS C

Rev A1, Page 34/44

Conï¬guration

The serial I/O interface operates in BiSS C proto-

col and allows sensor data to be output in repeated

cycles without any termination (data channels POS

and TMP). At the same time parameters can be ex-

changed through bidirectional register communication

(data channel CD).

Depending on the conï¬guration, the sensor data sup-

plied by iC-MR contains the cycle counter and interpo-

lation data (MT + ST) of up to 50 bits, a life counter

of up to 6 bits, two error bits (ERR and WARN), and

6 or 16 CRC bits (CRC). Another data channel can be

switched in to transmit the temperature data from the

12-bit A/D converter at a length of 16 bits. Registers

PROFILE and DEV_ID can be programmed separately

for the data channels.

Single-cycle data channel: POS

Bits

Type

Label

0/12/24

DATA

Multiturn data MT

24/26

DATA

Singleturn data ST

ERROR Error bit nE (see ERR)

(inverted bit output)

ERROR Error bit nW (see WARN)

(inverted bit output)

0/6

DATA

Life counter LC

6/16

CRC

Polynomial 0x43 or 0x190D9

(inverted bit output)

Single-cycle data channel: TMP

Bits

Type

Label

DATA

Temperature data TEMP

CRC

Polynomial 0x25 = x5 + x2 + 1

(inverted bit output)

Table 52: BiSS data channels

The following parameters deï¬ne the serial interface in

BiSS C protocol:

NESSI

Code

Addr 0x19, bit 4

Protocol

Information

SSI

BiSS C

www.biss-interface.com

Table 53: BiSS/SSI protocol selection

ENLC

Addr. 0x19; bit 5

R/W

Code

Function

No transmission of life counter

Transmission of 6-bit life counter

Table 54: Life counter enable

TMPSCD

Addr. 0x19; bit 2

R/W

Code

Function

No cyclic output of temperature value

Cyclic output of temperature value

Table 55: Temperature data enable (BiSS)

ENXCRC

Code

Addr. 0x19; bit 3

R/W

Function

6-bit CRC with polynomial

0x43 = x6 + x1 + 1

16-bit CRC with polynomial

0x190D9 = x16 + x15 + x12 + x7 + x6 + x4 + x3 + 1

Table 56: Selecting extended CRC

Figure 23: Example of line signals (BiSS C)

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