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ZUSBOPTSC01ZACG 数据表(PDF) 164 Page - Zilog, Inc. |
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ZUSBOPTSC01ZACG 数据表(HTML) 164 Page - Zilog, Inc. |
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164 / 282 page ![]() PS022827-1212 P R E L I M I N A R Y Flash Information Area Z8 Encore! XP® F082A Series Product Specification 147 Flash Information Area The Flash information area is separate from Program Memory and is mapped to the address range FE00H to FFFFH. This area is readable but cannot be erased or overwritten. Factory trim values for the analog peripherals are stored here. Factory calibration data for the ADC is also stored here. Operation The Flash Controller programs and erases Flash memory. The Flash Controller provides the proper Flash controls and timing for Byte Programming, Page Erase and Mass Erase of Flash memory. The Flash Controller contains several protection mechanisms to prevent accidental program- ming or erasure. These mechanism operate on the page, sector and full-memory levels. Figure 21. Flash Memory Arrangement 4KB Flash Program Memory 0000 01FF 0200 0FFF Addresses (hex) 03FF 0400 05FF 0600 07FF 0800 09FF 0A00 0BFF 0C00 0DFF 0E00 2KB Flash Program Memory 0000 Addresses (hex) 07FF 05FF 0600 03FF 0400 01FF 0200 1KB Flash Program Memory 0000 Addresses (hex) 03FF 01FF 0200 Sector 7 Sector 6 Sector 5 Sector 4 Sector 3 Sector 2 Sector 1 Sector 0 Sector 0 Sector 1 Sector 0 Sector 1 Sector 2 Sector 3 8KB Flash Program Memory 0000 03FF 0400 1FFF Addresses (hex) 07FF 0800 0BFF 0C00 0FFF 1000 13FF 1400 17FF 1800 1BFF 1C00 Sector 7 Sector 6 Sector 5 Sector 4 Sector 3 Sector 2 Sector 1 Sector 0 |
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