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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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M28F101 数据表(PDF) 4 Page - STMicroelectronics |
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M28F101 数据表(HTML) 4 Page - STMicroelectronics |
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4 / 23 page  Command Cycles 1st Cycle 2nd Cycle Operation A0-A16 DQ0-DQ7 Operation A0-A16 DQ0-DQ7 Read 1 Write X 00h Electronic Signature (2) 2 Write X 90h Read 00000h 20h Read 00001h 07h Setup Erase/ 2 Write X 20h Erase Write X 20h Erase Verify 2 Write A0-A16 A0h Read X Data Output Setup Program/ 2 Write X 40h Program Write A0-A16 Data Input Program Verify 2 Write X C0h Read X Data Output Reset 2 Write X FFh Write X FFh Notes: 1. X = VIL or VIH. 2. Refer also to the Electronic Signature table. Table 5. Commands (1) Identifier A0 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 Hex Data Manufacturer’s Code VIL 001 00 00 0 20h Device Code VIH 000 00 11 1 07h Table 4. Electronic Signature VPP Operation E G W A9 DQ0 - DQ7 Read Only VPPL Read VIL VIL VIH A9 Data Output Output Disable VIL VIH VIH X Hi-Z Standby VIH X X X Hi-Z Electronic Signature VIL VIL VIH VID Codes Read/Write (2) VPPH Read VIL VIL VIH A9 Data Output Write VIL VIH VIL Pulse A9 Data Input Output Disable VIL VIH VIH X Hi-Z Standby VIH X X X Hi-Z Notes: 1. X = VIL or VIH. 2. Refer also to the Command table. Table 3. Operations (1) 4/23 M28F101 |
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