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AM29LV800DB-120ED Datasheet(PDF) 15 Page - Advanced Micro Devices |
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AM29LV800DB-120ED Datasheet(HTML) 15 Page - Advanced Micro Devices |
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15 / 51 page  January 21, 2005 Am29LV800D_00_A4_E Am29LV800D 13 P R E L I M I NARY Table 3. Am29LV800DB Bottom Boot Block Sector Addresses Note for Tables 2 and 3: Address range is A18:A-1 in byte mode and A18:A0 in word mode. See “Word/Byte Configuration” section. 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 cor- responding 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 corresponding 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 “Com- mand Definitions” for details on using the autoselect mode. Sector A18 A17 A16 A15 A14 A13 A12 Sector Size (Kbytes/ Kwords) Address Range (in hexadecimal) (x8) Address Range (x16) Address Range SA0 0 0 0 0 0 0 X 16/8 00000h–03FFFh 00000h–01FFFh SA1 0 0 0 0 0 1 0 8/4 04000h–05FFFh 02000h–02FFFh SA2 0 0 0 0 0 1 1 8/4 06000h–07FFFh 03000h–03FFFh SA3 0 0 0 0 1 X X 32/16 08000h–0FFFFh 04000h–07FFFh SA4 0 0 0 1 X X X 64/32 10000h–1FFFFh 08000h–0FFFFh SA5 0 0 1 0 X X X 64/32 20000h–2FFFFh 10000h–17FFFh SA6 0 0 1 1 X X X 64/32 30000h–3FFFFh 18000h–1FFFFh SA7 0 1 0 0 X X X 64/32 40000h–4FFFFh 20000h–27FFFh SA8 0 1 0 1 X X X 64/32 50000h–5FFFFh 28000h–2FFFFh SA9 0 1 1 0 X X X 64/32 60000h–6FFFFh 30000h–37FFFh SA10 0 1 1 1 X X X 64/32 70000h–7FFFFh 38000h–3FFFFh SA11 1 0 0 0 X X X 64/32 80000h–8FFFFh 40000h–47FFFh SA12 1 0 0 1 X X X 64/32 90000h–9FFFFh 48000h–4FFFFh SA13 1 0 1 0 X X X 64/32 A0000h–AFFFFh 50000h–57FFFh SA14 1 0 1 1 X X X 64/32 B0000h–BFFFFh 58000h–5FFFFh SA15 1 1 0 0 X X X 64/32 C0000h–CFFFFh 60000h–67FFFh SA16 1 1 0 1 X X X 64/32 D0000h–DFFFFh 68000h–6FFFFh SA17 1 1 1 0 X X X 64/32 E0000h–EFFFFh 70000h–77FFFh SA18 1 1 1 1 X X X 64/32 F0000h–FFFFFh 78000h–7FFFFh |
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