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AM29LV640D датащи(PDF) 14 Page - Advanced Micro Devices |
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AM29LV640D датащи(HTML) 14 Page - Advanced Micro Devices |
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14 / 57 page ![]() September 20, 2002 Am29LV640D/Am29LV641D 13 The RESET# pin may be tied to the system reset cir- cuitry. A system reset would thus also reset the Flash memory, enabling the system to read the boot-up firm- ware from the Flash memory. If RESET# is asserted during a program or erase op- eration, the RY/BY# pin remains a “0” (busy) until the internal reset operation is complete, which requires a time of t READY (during Embedded Algorithms). The system can th us mo nito r RY /BY# to de termin e whether the reset operation is complete. If RESET# is asserted when a program or erase operation is not ex- ecuting (RY/BY# pin is “1”), the reset operation is com- pleted within a time of t READY (not during Embedded Algorithms). The system can read data t RH after the RESET# pin returns to V IH. Refer to the AC Characteristics tables for RESET# pa- rameters and to Figure 14 for the timing diagram. Output Disable Mode When the OE# input is at V IH, output from the device is disabled. The output pins are placed in the high impedance state. Table 2. Sector Address Table Sector A21 A20 A19 A18 A17 A16 A15 16-bit Address Range (in hexadecimal) SA0 0 0000 00 000000–007FFF SA1 0 0000 01 008000–00FFFF SA2 0 0000 10 010000–017FFF SA3 0 0000 11 018000–01FFFF SA4 0 0001 00 020000–027FFF SA5 0 0001 01 028000–02FFFF SA6 0 0001 10 030000–037FFF SA7 0 0001 11 038000–03FFFF SA8 0 0010 00 040000–047FFF SA9 0 0010 01 048000–04FFFF SA10 0 0010 10 050000–057FFF SA11 0 0010 11 058000–05FFFF SA12 0 0011 00 060000–067FFF SA13 0 0011 01 068000–06FFFF SA14 0 0011 10 070000–077FFF SA15 0 0011 11 078000–07FFFF SA16 0 0100 00 080000–087FFF SA17 0 0100 01 088000–08FFFF SA18 0 0100 10 090000–097FFF SA19 0 0100 11 098000–09FFFF SA20 0 0101 00 0A0000–0A7FFF SA21 0 0101 01 0A8000–0AFFFF SA22 0 0101 10 0B0000–0B7FFF SA23 0 0101 11 0B8000–0BFFFF SA24 0 0110 00 0C0000–0C7FFF SA25 0 0110 01 0C8000–0CFFFF |
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