AN2577 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

AN2577

Application note Using the eTPU angle clock

STMicroelectronics 

AN2577

eTPU angle clock hardware

Figure 3. eTPU angle clock tick generator

Filtered Pin Level

Programmable Window

from Channel 0 in Angle Mode

To Channel 0 Edge Detection (override its digital filter)

TCRCLK

PIN

TCR2 Filtering

Clock System &

Count

Edge Detect

TCR2 Clock

Angle Tick Generator

24

Tick Rate Register

Integer Fraction

TDL assertion

on channel 0

Microengine A-Bus

24

24

15

9

9

Carry

+

Din Hold

Tick Prescaler

H.Rate

TCR1

Clock

Load

9

Fraction

Accumulator

9

Angle Tick

10

Ticks

Tooth Program Register

10

2 Dummy Tooth Count

Last Tooth

Tooth

Tooth: Advance, Reset

Angle Tick Inc/Hold

Angle Tick Reset

Count Contol &

High Rate Logic

Angle Tick Count

10

AM (ETPUTBCR)

Angle Mode

TCR2

2

24

Angle Counter Logic

Angle Mode

AM (ETPUTBCR)

TCR2 Time Base

7/34

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