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UPSD3312D Datasheet(PDF) 31 Page - STMicroelectronics |
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UPSD3312D Datasheet(HTML) 31 Page - STMicroelectronics |
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31 / 272 page ![]() Obsolete Product(s) - Obsolete Product(s) Obsolete Product(s) - Obsolete Product(s) UPSD33xx Memory organization Doc ID 9685 Rev 7 31/272 Standard 8032 MCU architecture cannot write to its own program memory space to prevent accidental corruption of firmware. However, this becomes an obstacle in typical 8032 systems when a remote update to firmware in Flash memory is required using IAP. The PSD module provides a solution for remote updates by allowing 8032 firmware to temporarily “reclassify” Flash memory to reside in data space during a remote update, then returning Flash memory back to program space when finished. See the VM register (Table 115 on page 178) in the PSD module section of this document for more details. |
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