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AM29LV002T-120FCB データシート(PDF) 9 Page - Advanced Micro Devices |
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AM29LV002T-120FCB データシート(HTML) 9 Page - Advanced Micro Devices |
9 / 34 page Am29LV002 9 PR EL I M I NAR Y Table 2. Sector Address Tables (Am29LV002T) Table 3. Sector Address Tables (Am29LV002B) Autoselect Mode The autoselect mode provides manufacturer and de- vice identification, and sector protection verification, through identifier codes output on DQ7–DQ0. This mode is primarily intended for programming equipment to automatically match a device to be programmed with its corresponding programming algorithm. However, the autoselect codes can also be accessed in-system through the command register. When using programming equipment, the autoselect mode requires VID (11.5 V to 12.5 V) on address pin A9. Address pins A6, A1, and A0 must be as shown in Table 4. In addition, when verifying sector protection, the sector address must appear on the appropriate highest order address bits (see Tables 2 and 3). Table 4 shows the remaining address bits that are don’t care. When all necessary bits have been set as required, the programming equipment may then read the corre- sponding identifier code on DQ7–DQ0. To access the autoselect codes in-system, the host system can issue the autoselect command via the command register, as shown in Table 5. This method does not require VID. See “Command Definitions” for details on using the autoselect mode. Sector A17 A16 A15 A14 A13 Sector Size Address Range SA0 0 0 X X X 64 Kbytes 00000h–0FFFFh SA1 0 1 X X X 64 Kbytes 10000h–1FFFFh SA2 1 0 X X X 64 Kbytes 20000h–2FFFFh SA3 1 1 0 X X 32 Kbytes 30000h–37FFFh SA4 11100 8 Kbytes 38000h–39FFFh SA5 11101 8 Kbytes 3A000h–3BFFFh SA6 1111 X 16 Kbytes 3C000h–3FFFFh Sector A17 A16 A15 A14 A13 Sector Size Address Range SA0 0000 X 16 Kbytes 00000h–03FFFh SA1 00010 8 Kbytes 04000h–05FFFh SA2 00011 8 Kbytes 06000h–07FFFh SA3 0 0 1 X X 32 Kbytes 08000h–0FFFFh SA4 0 1 X X X 64 Kbytes 10000h–1FFFFh SA5 1 0 X X X 64 Kbytes 20000h–2FFFFh SA6 1 1 X X X 64 Kbytes 30000h–3FFFFh |
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同様の説明 - AM29LV002T-120FCB |
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