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AM29LV001BB-5EK Datasheet(PDF) 11 Page - Advanced Micro Devices |
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AM29LV001BB-5EK Datasheet(HTML) 11 Page - Advanced Micro Devices |
11 / 43 page May 5, 2006 21557F4 Am29LV001B 9 DATA SHEE T Table 2. Am29LV001B Top Boot Sector Architecture Table 3. Am29LV001B Bottom Boot Sector Architecture Autoselect Mode The autoselect mode provides manufacturer and device 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 Table 2 on page 9). Table 4 shows the remaining address bits that are don’t care. When all necessary bits are 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 on page 17. This method does not require VID. See “Command Def- initions” on page 13 for details on using the autoselect mode. Sector A16 A15 A14 A13 A12 Sector Size (Kbytes) Address Range (in hexadecimal) SA0 0 0 0 X X 16 Kbytes 00000h–03FFFh SA1 0 0 1 X X 16 Kbytes 04000h–07FFFh SA2 0 1 0 X X 16 Kbytes 08000h–0BFFFh SA3 0 1 1 X X 16 Kbytes 0C000h–0FFFFh SA4 1 0 0 X X 16 Kbytes 10000h–13FFFh SA5 1 0 1 X X 16 Kbytes 14000h–17FFFh SA6 1 1 0 X X 16 Kbytes 18000h–1BFFFh SA7 1 1 1 0 0 4 Kbytes 1C000h–1CFFFh SA8 1 1 1 0 1 4 Kbytes 1D000h–1DFFFh SA9 1 1 1 1 X 8 Kbytes 1E000h–1FFFFh Sector A16 A15 A14 A13 A12 Sector Size (Kbytes) Address Range (in hexadecimal) SA0 0 0 0 0 X 8 Kbytes 00000h–01FFFh SA1 0 0010 4 Kbytes 02000h–02FFFh SA2 0 0011 4 Kbytes 03000h–03FFFh SA3 0 0 1 X X 16 Kbytes 04000h–07FFFh SA4 0 1 0 X X 16 Kbytes 08000h–0BFFFh SA5 0 1 1 X X 16 Kbytes 0C000h–0FFFFh SA6 1 0 0 X X 16 Kbytes 10000h–13FFFh SA7 1 0 1 X X 16 Kbytes 14000h–17FFFh SA8 1 1 0 X X 16 Kbytes 18000h–1BFFFh SA9 1 1 1 X X 16 Kbytes 1C000h–1FFFFh |
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