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TLE5010

Synchronous Serial Communication Interface (SSC)

Draft

Preliminary Data Sheet

V 0.9, 2007-05

The margin time in following table is the time between write access to the SSC Data Line

and the earliest possible sample read of the TLE5010 itself for read back.

It is useful to have a maximum distance between WRITE and subsequent READ. This

ensures a reliable read back of the written data for the Slave-Active Byte generation.

8.2

SSC Baud rate

The SSC Baud rate depends on the internal clock frequency.

12 internal digital clock cycles are necessary to ensure a reliable operation.

Therefore the maximum SSC Baud rate depends on the external CLK.

8.3

SSC Spike Filter

A SSC Spike Filter for all SSC lines can be selected via the SSC_FILT bit.

8.3.1

SSC Spike Filter Off

When the spike filter is disabled, each slope of a rising voltage is used to define a bit.

This is independent of the length of the sampled pulse.

For example a positive spike generates therefore a rising and a falling edge.

Table 14

Maximum Pull-up Time Margin with worst-case specified Timing

SSC_FILT

SSC_TIMING

Min.

tPU Margin

Calculation: Margin=tSCKl(min)+tDATwMAX-(tPU)-tDATrMIN.For Margin<50 ns no problems can occur.

Unit

Comment

don’t care

SSC

CLK

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