TLE4943C datasheet(22/48 Pages) INFINEON

tên linh kiện	TLE4943C

Giải thích chi tiết về linh kiện	Hall Based Differential Wheel Speed Sensor with AK protocol

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TLE4943C

Data Sheet

V 1.2, July 2018

3rd case: several bits of the preceding protocol are cut off

Figure 16

Case 3 - several bits of the preceding protocol are cut off

A new increment of the encoder occurs while, for example, bit #6 of the preceding protocol is still being transferred.

At this moment the new protocol begins again with the constant time output offset of the length tp. It is realized in

the sensor that a bit transfer is still running. Bit #6 of the preceding protocol is completely transmitted within the

current running output time-offset. In addition, the bits #7 and #8 (parity) still missing are suppressed and no longer

transmitted. As a result, the line is clean again and following the end of the output offset the initial bit follows with

tp/2, then the speed pulse, etc.

Zero crossing

Subsequent

protocol

Preceding protocol

Initial bit

bit0

bit5

bit4

bit3

bit2

bit1

bit7

bit6

bit0

bit3

bit2

bit1

Time output offset

bit5

bit6

bit4

bit7

Parity

Bits #7 and #8 are no

longer transmitted

Bits #6 is completely

transmitted

tp/2

Parity

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