AN2577 datasheet(7/34 Pages) STMICROELECTRONICS

Part #	AN2577

Description	Using the eTPU angle clock

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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7 / 34 page

AN2577

eTPU angle clock hardware

7/34

Figure 3.

eTPU angle clock tick generator

TCR2 Filtering

TCR2 Clock

TCR2

Microengine A-Bus

Tooth: Advance, Reset

Tooth

Angle Tick Count

Tick Rate Register

Clock System &

Dummy Tooth Count

Count Contol &

High Rate Logic

Programmable Window

from Channel 0 in Angle Mode

Angle Mode

Tooth Program Register

Integer

Fraction

Carry

Tick Prescaler

Angle Tick

TCR1

Clock

Hold

Din

Angle Tick Generator

Angle Counter Logic

H.Rate

Load

Angle Tick Inc/Hold

Angle Mode

Ticks

Angle Tick Reset

Last Tooth

AM (ETPUTBCR)

To Channel 0 Edge Detection (override its digital filter)

Edge Detect

Count

Filtered Pin Level

TCRCLK

TDL assertion

on channel 0

TCR2 Time Base

Accumulator

AN2577 Datasheet(PDF) 7 Page - STMicroelectronics

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