TLE5014 datasheet(32/45 Pages) INFINEON

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Final Datasheet

Rev. 1.0

2018-04-04

TLE5014

Interfaces

4.4

SENT

Synchronisation

Frame

56 UT

12 … 27 UT

Status Nibble

Data Nibble 1

Data Nibble 3

Data Nibble 2

CRC

12 … 27 UT

Inverted

Data Nibble 1

Rolling Counter Rolling Counter

12 … 27 UT

SENT Interface: A standardized, uni-directional digital protocol. The information is coded in nibbles with

different length. One nibble contains 4 bit of information. Beside the angle information also a status

information and a CRC is transmitted.

The SENT protocol is implemented according to the standard SAE J2716 JAN2010. The unit time UT is

configurable according to Table 4-9.

Two different sensor configurations are possible:

Single Secure Sensor:

The protocol consists of following nibbles

• A synchronization period (56UT)

• A status nibble of 12-27 UT

• 3 data nibbles of 12-27 UT, transmitting a 12bit angle value

• 2 nibbles with a 8bit rolling counter information

• 1 nibble as the inverted 1st data nibble

• A CRC nibble of 12-27 UT

• A pause pulse, this is optional and can be deactivated

• A short serial message, this is optional and can be deactivated

Standard Sensor:

The protocol consists of following nibbles

• A synchronization period (56UT)

• A status nibble of 12-27 UT

• 3 data nibbles of 12-27 UT, transmitting a 12bit angle value

• A CRC nibble of 12-27 UT

• A pause pulse, this is optional and can be deactivated

• A short serial message, this is optional and can be deactivated

Figure 4-8 SENT frame example, implementation: single secure sensor without pause pulse

Table 4-9

SENT unit times

Parameter

Symbol

Values

Unit

Note / Test Condition

Min.

Typ.

Max.

SENT unit time

1.5

3.0

µs

configurable in steps of 0.5µs.

tolerance given by clock

tolerance

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