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AM29DL322GT90EI Datasheet(PDF) 26 Page - SPANSION |
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AM29DL322GT90EI Datasheet(HTML) 26 Page - SPANSION |
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26 / 58 page  24 Am29DL32xG 25686B10 December 4, 2006 D A TA SH EET Table 13. Primary Vendor-Specific Extended Query Note: The number of sectors in Bank 2 is device dependent. Am29DL322 = 38h, Am29DL323 = 30h, Am29DL324 = 20h COMMAND DEFINITIONS Writing specific address and data commands or se- quences into the command register initiates device op- erations. Table 14 defines the valid register command sequences. Writing incorrect address and data values or writing them in the improper sequence may place the device in an unknown state. A reset command is then required to return the device to reading array data. All addresses are latched on the falling edge of WE# or CE#, whichever happens later. All data is latched on the rising edge of WE# or CE#, whichever happens first. Refer to the AC Characteristics section for timing diagrams. Reading Array Data The device is automatically set to reading array data after device power-up. No commands are required to retrieve data. Each bank is ready to read array data after completing an Embedded Program or Embedded Erase algorithm. After the device accepts an Erase Suspend command, the corresp onding ban k ente rs the erase-sus- pend-read mode, after which the system can read data from any non-erase-suspended sector within the same bank. After completing a programming operation in the Erase Suspend mode, the system may once Addresses (Word Mode) Addresses (Byte Mode) Data Description 40h 41h 42h 80h 82h 84h 0050h 0052h 0049h Query-unique ASCII string “PRI” 43h 86h 0031h Major version number, ASCII 44h 88h 0033h Minor version number, ASCII 45h 8Ah 0004h Address Sensitive Unlock (Bits 1-0) 0 = Required, 1 = Not Required Silicon Revision Number (Bits 7-2) 46h 8Ch 0002h Erase Suspend 0 = Not Supported, 1 = To Read Only, 2 = To Read & Write 47h 8Eh 0001h Sector Protect 0 = Not Supported, X = Number of sectors per group 48h 90h 0001h Sector Temporary Unprotect 00 = Not Supported, 01 = Supported 49h 92h 0004h Sector Protect/Unprotect scheme 04 = 29LV800 mode 4Ah 94h 00XXh (See Note) Simultaneous Operation 00 = Not Supported, X = Number of Sectors in Bank 2 (Uniform Bank) 4Bh 96h 0000h Burst Mode Type 00 = Not Supported, 01 = Supported 4Ch 98h 0000h Page Mode Type 00 = Not Supported, 01 = 4 Word Page, 02 = 8 Word Page 4Dh 9Ah 0085h ACC (Acceleration) Supply Minimum 00h = Not Supported, D7-D4: Volt, D3-D0: 100 mV 4Eh 9Ch 0095h ACC (Acceleration) Supply Maximum 00h = Not Supported, D7-D4: Volt, D3-D0: 100 mV 4Fh 9Eh 000Xh Top/Bottom Boot Sector Flag 02h = Bottom Boot Device, 03h = Top Boot Device |
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