IC-MU datasheet(10/59 Pages) ICHAUS

10 / 59 page

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iC-MU OFF-AXIS NONIUS ENCODER

WITH INTEGRATED HALL SENSORS

Rev B1, Page 10/59

OPERATING CONDITIONS: I/O Interface

Item

Symbol

Parameter

Conditions

Unit

No.

Min.

Max.

SPI-Interface (Figure 2)

I101

TSCK

Permissible Clock Period

see Elec. Char. No.: 906

1/f()

I102

tNCS

Setup Time:

NCS lo before SCK hi → lo

I103

tp1

Propagation Delay:

MISO hi after NCS lo → hi

I104

tIS

Setup Time:

MOSI stable before SCK lo → hi

I105

tSI

Hold Time:

MOSI stable after SCK lo → hi

I106

tp2

Propagation Delay:

MISO stable after SCK hi → lo

I107

tCC

Wait Time:

between NCS lo → hi and NCS hi → lo

500

BiSS-Interface (Figure 3)

I108

ttos

Timeout

20000

I109

tMAS

Permissible Clock Period

100

2 x ttos

I110

tMASh

Clock Signal Hi Level Duration

ttos

I111

tMASl

Clock Signal Lo Level Duration

SSI-Interface (Figure 4)

I112

ttos

Timeout

20000

I113

tMAS

Permissible Clock Period

250

2 x ttos

I114

tMASh

Clock Signal Hi Level Duration

125

ttos

I115

tMASl

Clock Signal Lo Level Duration

125

PA1: SCK

PA0: NCS

PA2: MOSI

PA3: MISO

NCS

tp1

tp2

SCK

Figure 2: Timing SPI interface

PA1:MA

PA3:SLO

MASl

START

DATA

MAS

MASh

DATA

tos

Figure 3: Timing BiSS interface

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