ST723217 datasheet(184/185 Pages) STMICROELECTRONICS

184 / 185 page

ST72321

184/185

16 SUMMARY OF CHANGES

Revision

Main Changes

Date

1.7

Added note to “Read-out Protection” on page 17 LVD not supported if ROP is enabled

Added note to “MULTI-OSCILLATOR (MO)” on page 24 External clock source not support-

ed if PLL is enabled

Modified “ACTIVE-HALT AND HALT MODES” on page 43: wakeup from active halt by reset

or MCC/RTC interrupt only

Reset pin IINJMAX for changed to 2 mA in Section 12.9.1 and Section 12.2

Updated ordering information Section 18.2 on page 230

Added “IMPORTANT NOTES” on page 180

Mar 03

1.8

Added Errata sheet

July 03

1.9

Added 44-pin package throughout document (merged ST72321AR/R with ST72321J da-

tasheet )

Removed External RC option from Section 6.2 on page 24 and throughout document

Added Caution ‘CSS function is not guaranteed’ to Section 6.4 on page 27 and Section 14.1

on page 172

Modified description of internal RC oscillator in Section 6.2.

Added Caution about disconnecting OSC pins in Section 6.2 on page 24

Moved LVD startup behaviour diagram from Section 12.3.2 on page 139 to Section 15

Modified notes in table of Murata resonators in Section 12.5.3

Modified description of VAREF/VSSA pins in Section 12.12.1 on page 166

Added phrase “can be reprogrammed” in Section 4.3.1 on page 17 and

Section 14.1 on

page 172

Added heading “Related Documentation” on page 19

Modified description of TLI (maskable instead of non maskable) in Section 7

Updated “EMC CHARACTERISTICS” on page 152

Added FASTROM information to Section 14 on page 172

Added note under VD option bit table in

Section 14.1 on page 172

Updated option list in Section 14.2

Removed Errata sheet and put information in “IMPORTANT NOTES” on page 180

Please read carefully the “IMPORTANT NOTES” on page 180

August 03

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