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AM29LV800DB120ED Datasheet(PDF) 14 Page - SPANSION |
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AM29LV800DB120ED Datasheet(HTML) 14 Page - SPANSION |
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14 / 46 page  12 Am29LV800D Am29LV800D_00_A7 December 4, 2006 D A TA SH EET 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 de- vice identification, and sector protection verification, through identifier codes output on DQ7–DQ0. This mode is primarily intended for programming equip- ment to automatically match a device to be pro- gramme d with its corresponding programm ing algorithm. However, the autoselect codes can also be accessed in-system through the command register. When using programming equipment, the autoselect mode requires V ID (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 re- quired, 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 V ID. See “Command 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 000000 X 16/8 00000h–03FFFh 00000h–01FFFh SA1 0000010 8/4 04000h–05FFFh 02000h–02FFFh SA2 0000011 8/4 06000h–07FFFh 03000h–03FFFh SA3 00001 X X 32/16 08000h–0FFFFh 04000h–07FFFh SA4 0001 X X X 64/32 10000h–1FFFFh 08000h–0FFFFh SA5 0010 X X X 64/32 20000h–2FFFFh 10000h–17FFFh SA6 0011 X X X 64/32 30000h–3FFFFh 18000h–1FFFFh SA7 0100 X X X 64/32 40000h–4FFFFh 20000h–27FFFh SA8 0101 X X X 64/32 50000h–5FFFFh 28000h–2FFFFh SA9 0110 X X X 64/32 60000h–6FFFFh 30000h–37FFFh SA10 0111 X X X 64/32 70000h–7FFFFh 38000h–3FFFFh SA11 1000 X X X 64/32 80000h–8FFFFh 40000h–47FFFh SA12 1001 X X X 64/32 90000h–9FFFFh 48000h–4FFFFh SA13 1010 X X X 64/32 A0000h–AFFFFh 50000h–57FFFh SA14 1011 X X X 64/32 B0000h–BFFFFh 58000h–5FFFFh SA15 1100 X X X 64/32 C0000h–CFFFFh 60000h–67FFFh SA16 1101 X X X 64/32 D0000h–DFFFFh 68000h–6FFFFh SA17 1110 X X X 64/32 E0000h–EFFFFh 70000h–77FFFh SA18 1111 X X X 64/32 F0000h–FFFFFh 78000h–7FFFFh |
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