AT90PWM2 datasheet(352/361 Pages) ATMEL

352 / 361 page

352

4317J–AVR–08/10

AT90PWM2/3/2B/3B

33. Datasheet Revision History for AT90PWM2/2B/3/3B

Please note that the referring page numbers in this section are referred to this document. The

referring revision in this section are referring to the document revision.

33.1

Changes from 4317A- to 4317B

PSC section has been rewritten.

Suppression of description of RAMPZ which does not exist.

33.2

Changes from 4317B- to 4317C

Added AT90PWM2B/3B Advance Information.

Various updates throughout the document.

33.3

Changes from 4317C- to 4317D

Update of Electrical and Typical Characteristics.

33.4

Changes from 4317D to 4317E

Changed product status from “Advanced Information” to “Preliminary”.

33.5

Changes from 4317E to 4317F

Remove JMP and CALL instruction in the Instruction Set Summary

Daisy chain of PSC input is only done in mode 7 - See “Fault events in Autorun mode”

on page 159.

Updated “Output Compare SA Register – OCRnSAH and OCRnSAL” on page 162

Updated “Output Compare RA Register – OCRnRAH and OCRnRAL” on page 162

Updated “Output Compare SB Register – OCRnSBH and OCRnSBL” on page 162

Updated “Output Compare RB Register – OCRnRBH and OCRnRBL” on page 163

Specify the “Analog Comparator Propagation Delay” - See “DC Characteristics” on

page 299.

Specify the “Reset Characteristics” - See “Reset Characteristics(1)” on page 46.

Specify the “Brown-out Characteristics” - See “Brown-out Characteristics(1)” on page

48.

10. Specify the “Internal Voltage Reference Characteristics - See “Internal Voltage Refer-

ence Characteristics(1)” on page 50.

33.6

Changes from 4317F to 4317G

Describe the amplifier operation for Rev B.

Clarify the fact that the DAC load given is the worst case.

Specify the ADC Min and Max clock frequency.

Describe the retrigger mode 8 in one ramp mode.

Specify that the amplifier only provides a 8 bits accuracy.

33.7

Changes from 4317G to 4317H

Updated “History” on page 2

Specify the “AREF Voltage vs. Temperature” on page 328

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