IC-PI datasheet(22/49 Pages) ICHAUS

22 / 49 page

preliminary

iC-PI PROGRAMMABLE 12-BIT

Sin/Cos INTERPOLATION IC WITH RS422 DRIVER

Rev B1, Page 22/48

OPERATING MODES

The iC-PI has several operating modes, for which the

functions of outputs PA, NA, PB, NB, PZ, NZ and ERR

are different.

Three operating modes are available for the output of

the angle position in normal operation. Mode 191/193

provides control signals for devices compatible with

74HC191 or 74HC193. Mode ABZ provides incre-

mental position as encoder quadrature signals with

a zero pulse. Mode UVW provides both incremental

encoder quadrature (ABZ) and commutation outputs

as single-ended signals. Only in these modes are the

line drivers and the reverse polarity protection feature

active.

In order to condition the input signals and to calibrate

and test the iC-PI, various Calibration and Test modes

are also available. Digital and analog test signals are

provided; the latter must always be measured at high

load impedance. The output drivers and the reverse po-

larity protection feature are not active during Calibration

and Test modes.

MODE(3:0)

Addr. 0x02; bit 3:0

Code

Operating Mode

Pin PA

Pin NA

Pin PB

Pin NB

Pin PZ

Pin NZ

Pin ERR

0x00

ABZ

A+

A-

B+

B-

Z+

Z-

ERR/ ZIn**

0x0E

UVW

A+

B+

Z+

ERR

0x0F

191/193

CPD

CPU

nU/D

nPL

ERR

0x01

Calibration 1

res.

IBN

PCH0

NCH0

res.

0x02

Calibration 2

PCH1

NCH1

PCH2

NCH2

VDC1

VDC2

res.

0x03

res. *

res.

0x04

res. *

res.

0x05

Test 5

PSIN

NSIN

PCOS

NCOS

PZO

NZO

IERR

0x06

Test 6 (MUX=0x40)

res.

0x07

Calibration 3

VTs

VTth

res.

VTTFE

VTTSE

ERR

0x08

res. *

res.

0x09

res. *

res.

0x0A

res. *

res.

0x0B

System Test

ZIn

TP1

ERR

0x0C

res. *

res.

0x0D

res. *

res.

Hints

*) Test function for iC-Haus device test only. **) Requires EMASKA = 0x010 and EMTD = 0x00.

Table 18: Operating Modes

ABZ Mode

The angle position is output incrementally as en-

coder quadrature signals with a zero pulse.

All

output drivers are active and output complementary

RS422-compatible signals at PA and NA, PB and NB,

and PZ and NZ. The P prefix indicates a positive-go-

ing signal, the N prefix an inverted and negative-going

signal.

UVW Mode

This mode outputs encoder quadrature signals and

brushless motor commutation signals. All output drivers

are active and output single-ended signals for A, B, Z

(at the Px pins), and U, V, W (at the Nx pins).

IC-PI Datasheet(PDF) 22 Page - IC-Haus GmbH

IC-PI Datasheet(HTML) 22 Page - IC-Haus GmbH

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

Datasheet Download

Link URL