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AMC008DFLKA Datasheet(PDF) 10 Page - Advanced Micro Devices |
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AMC008DFLKA Datasheet(HTML) 10 Page - Advanced Micro Devices |
10 / 46 page 10 AmC0XXDFLKA Table 3. Even Byte Command Definitions (Note 5) * Address for Memory Segment 0 (S0) only. Address for the higher even memory segments (S2–S14) = (Addr) + (N/2)* 400000H where N = Memory Segment number (0) for 4 Mbyte, N = (0, 2) for 8 Mbyte, N = (0, 2, 4) for 12 Mbyte, N = (0…8) for 20 Mbyte, N = (0...14) for 32 Mbyte. Notes: 1. Address bits = X = Don’t Care for all address commands except for Program Address (PA), Read Address (RA) and Sector Address (SA). 2. Bus operations are defined in Table 1. 3. RA = Address of the memory location to be read. PA = Address of the memory location to be programmed. Addresses are latched on the falling edge of the WEpulse. SA = Address of the sector to be erased. The combination of A17, A18, A19, A20, A21 will uniquely select any sector of a segment. To select the memory segment: 4 Mbyte: Use CE1 8 Mbyte: Use CE1 and A22 20 and 32 Mbyte: Use CE1 and A22-A24. 4. RD = Data read from location RA during read operation. PD = Data to be programmed at location PA. Data is latched on the rising edge of WE pulse. 5. A0 = 0 and CE1 = 0. Embedded Command Sequence Bus Write Cycles Req’d First Bus Write Cycle Second Bus Write Cycle Third Bus Write Cycle Fourth Bus Read/Write Cycle Fifth Bus Write Cycle Sixth Bus Write Cycle Addr* Data Addr* Data Addr* Data Addr* Data Addr* Data Addr* Data Reset/Read 1 XXXXH F0 Reset/Read 4 XXXXH AA XXXXH 55 XXXXH F0 RA RD Autoselect 4 XXXXH AA XXXXH 55 XXXXH 90 00H 01 02H 3D Byte Write 4 XXXXH AA XXXXH 55 XXXXH A0 PA PD Segment Erase 6 XXXXH AA XXXXH 55 XXXXH 80 XXXXH AA XXXXH 55 XXXXH 10 Sector Erase 6 XXXXH AA XXXXH 55 XXXXH 80 XXXXH AA XXXXH 55 SA 30 Sector Erase Suspend XXXXH B0 Erase can be suspended during sector erase with Addr (don’t care), Data (B0H) Sector Erase Resume XXXXH 30 Erase can be resumed after suspend with Addr (don’t care), Data (30H) |
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