ST72521AR9TC View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72521AR9TC

8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC, FIVE TIMERS, SPI, SCI, I2C, CAN INTERFACE

STMicroelectronics 

ST72521

16 SUMMARY OF CHANGES

Revision

Main Changes

Added note to “Read-out Protection” on page 18 LVD not supported if ROP is enabled

Added note to “MULTI-OSCILLATOR (MO)” on page 25 External clock source not support-

ed if PLL is enabled

Modified “ACTIVE-HALT AND HALT MODES” on page 44: wakeup from active halt by reset

1.7 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 14.2 on page 201

Added “List of CAN Cell Limitations” on page 144

Added “IMPORTANT NOTES” on page 206

1.8 Not issued.

Changed document name from ST72521M/R/AR to ST72521

Removed External RC option from Section 6.2 on page 25 and throughout document

Added Caution ‘CSS function is not guaranteed’ to Section 6.4 on page 28 and Section

14.1 on page 199

Modified description of internal RC oscillator in Section 6.2.

Added Caution about disconnecting OSC pins in Section 6.2 on page 25

Updated limitations fixed in Rev “R” “List of CAN Cell Limitations” on page 144

Moved LVD startup behaviour diagram from Section 12.3.2 on page 165 to Section 15

Modified notes in table of Murata resonators in Section 12.5.3

1.9

Modified description of VAREF/VSSA pins in Section 12.12.1 on page 193

Added phrase “can be reprogrammed” in Section 4.3.1 on page 18 and Section 14.1 on

page 199

Added heading “Related Documentation” on page 20

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

Added FASTROM information to Section 14 on page 199

Added note under VD option bit table in Section 14.1 on page 199

Updated option list in Section 14.2

Please read carefully the “IMPORTANT NOTES” on page 206

Date

Mar 03

August 03

210/211

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