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M50LPW116 数据表(PDF) 7 Page - STMicroelectronics |
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M50LPW116 数据表(HTML) 7 Page - STMicroelectronics |
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7 / 36 page  7/36 M50LPW116 LAD3. On the following Clock cycles the Host will send the Cycle Type + Dir, Address, other control bits, Data0-Data3 and Data4-Data7 on LAD0- LAD3. The memory outputs Sync data until the wait-states have elapsed. See Table 7, and to Figure 5, for a description of the Field definitions for each clock cycle of the transfer. See Table 22, and Figure 9, for details on the timings of the signals. Bus Abort. The Bus Abort operation can be used to immediately abort the current bus operation. A Bus Abort occurs when LFRAME is driven Low, VIL, during the bus operation; the memory will tri- state the Input/Output Communication pins, LAD0-LAD3. Table 5. Block Addresses Size (Kbytes) Address Range Block Number Block Type 16 1FC000h-1FFFFFh 49 Boot (Top) 8 1FA000h-1FBFFFh 48 Parameter 8 1F8000h-1F9FFFh 47 Parameter 32 1F0000h-1F7FFFh 46 Main 64 1E0000h-1EFFFFh 45 Main 64 1D0000h-1DFFFFh 44 Main 64 1C0000h-1CFFFFh 43 Main 64 1B0000h-1BFFFFh 42 Main 64 1A0000h-1AFFFFh 41 Main 64 190000h-19FFFFh 40 Main 64 180000h-18FFFFh 39 Main 64 170000h-17FFFFh 38 Main 64 160000h-16FFFFh 37 Main 64 150000h-15FFFFh 36 Main 64 140000h-14FFFFh 35 Main 64 130000h-13FFFFh 34 Main 64 120000h-12FFFFh 33 Main 64 110000h-11FFFFh 32 Main 64 100000h-10FFFFh 31 Main 64 0F0000h-0FFFFFh 30 Main 64 0E0000h-0EFFFFh 29 Main 64 0D0000h-0DFFFFh 28 Main 64 0C0000h-0CFFFFh 27 Main 64 0B0000h-0BFFFFh 26 Main Note: For A21 and A23, refer to Table 2. A22 is set to 1. 64 0A0000h-0AFFFFh 25 Main 64 090000h-09FFFFh 24 Main 64 080000h-08FFFFh 23 Main 64 070000h-07FFFFh 22 Main 64 060000h-06FFFFh 21 Main 64 050000h-05FFFFh 20 Main 64 040000h-04FFFFh 19 Main 64 030000h-03FFFFh 18 Main 64 020000h-02FFFFh 17 Main 64 010000h-01FFFFh 16 Main 4 00F000h-00FFFFh 15 Parameter 4 00E000h-00EFFFh 14 Parameter 4 00D000h-00DFFFh 13 Parameter 4 00C000h-00CFFFh 12 Parameter 4 00B000h-00BFFFh 11 Parameter 4 00A000h-00AFFFh 10 Parameter 4 009000h-009FFFh 9 Parameter 4 008000h-008FFFh 8 Parameter 4 007000h-007FFFh 7 Parameter 4 006000h-006FFFh 6 Parameter 4 005000h-005FFFh 5 Parameter 4 004000h-004FFFh 4 Parameter 4 003000h-003FFFh 3 Parameter 4 002000h-002FFFh 2 Parameter 4 001000h-001FFFh 1 Parameter 4 000000h-000FFFh 0 Parameter Note that, during a Bus Write operation, the Command Interface starts executing the command as soon as the data is fully received; a Bus Abort during the final TAR cycles is not guaranteed to abort the command; the bus, however, will be released immediately. Standby. When LFRAME is High, VIH, the memory is put into Standby mode where LAD0- LAD3 are put into a high-impedance state and the Supply Current is reduced to the Standby level, ICC1. Reset. During Reset mode all internal circuits are switched off, the memory is deselected and the outputs are put in high-impedance. The memory is in Reset mode when Interface Reset, RP, or CPU Reset, INIT, is Low, VIL. RP or INIT must be held |
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