DSP56303 datasheet(210/292 Pages) FREESCALE

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DSP56303 데이터시트(PDF) 210 Page - Freescale Semiconductor, Inc

부품명	DSP56303

상세설명	DSP56303 USER?셎 MANUAL

PDF	292 Pages

Scroll/Zoom	100%

제조업체	FREESCALE [Freescale Semiconductor, Inc]

홈페이지	http://www.freescale.com

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210 / 292 page

DSP56303 User’s Manual, Rev. 2

9-18

Freescale Semiconductor

Triple Timer Module

Figure 9-17. Pulse Width Modulation Toggle Mode, TRM = 0

9.3.4 Watchdog Modes

The following watchdog timer modes are provided:

Watchdog Pulse

Watchdog Toggle

Mode 7 (internal clock): TRM = 0

N = write preload

M = write compare

Clock

(CLK/2 or prescale CLK)

TLR

TCPR

TCF (Compare Interrupt if TCIE = 1)

Counter (TCR)

first event

Period = $FFFFFF - TLR + 1

Duty cycle = ($FFFFFF - TCPR)

Ensure that TCPR > TLR for correct functionality

M + 1

TCF (Overflow Interrupt if TDIE = 1)

TIO pin (INV = 0)

TIO pin (INV = 1)

Pulse width

Period

NOTE: On overflow, TCR is loaded with the value of TLR.

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