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MC68HC08AS32A/D Datasheet(PDF) 49 Page - NXP Semiconductors |
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MC68HC08AS32A/D Datasheet(HTML) 49 Page - NXP Semiconductors |
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49 / 296 page  MC68HC08AS32A — Rev. 1.1 Data Sheet Freescale Semiconductor 49 2.5.2.3 EEPROM Non-Volatile Register The contents of this register is loaded into the EEPROM array configuration register (EEACR) after a reset. This register is erased and programmed in the same way as an EEPROM byte. See 2.5.2.1 EEPROM Control Register for individual bit descriptions. NOTE: The EENVR will leave the factory programmed with $F0 such that the full array is available and unprotected. Table 2-5. EEPROM Block Protect and Security Summary Address Range EEBPx EEPRTCT = 1 EEPRTCT = 0 $0800—$087F EEBP0 = 0 Byte programming available Bulk, block, and byte erasing available Byte programming available Only byte erasing available EEBP0 = 1 Protected Protected $0880–$08EF EEBP1 = 0 Byte programming available Bulk, block, and byte erasing available Byte programming available Only byte erasing available EEBP1 = 1 Protected Protected $08F0—$08FF EEBP1 = 0 Byte programming available Bulk, block, and byte erasing available Secured (no programming or erasing) EEBP1 = 1 Protected $0900–$097F EEBP2 = 0 Byte programming available Bulk, block, and byte erasing available Byte programming available Only byte erasing available EEBP2 = 1 Protected Protected $0980–$09FF EEBP3 = 0 Byte programming available Bulk, block, and byte erasing available Byte programming available Only byte erasing available EEBP3 = 1 Protected Protected Address: $FE1C Bit 7 6 5 4 3 2 1 Bit 0 Read: UNUSED UNUSED UNUSED EEPRTCT EEBP3 EEBP2 EEBP1 EEBP0 Write: Reset: Programmed value or 1 in the erased state Figure 2-5. EEPROM Non-Volatile Register (EENVR) |
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