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TE28F008S3-150 Datasheet(PDF) 11 Page - Intel Corporation |
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TE28F008S3-150 Datasheet(HTML) 11 Page - Intel Corporation |
11 / 41 page E BYTE-WIDE SMART 3 FlashFile™ MEMORY FAMILY 11 PRELIMINARY 2.0 PRINCIPLES OF OPERATION The byte-wide Smart 3 FlashFile memories include an on-chip WSM to manage block erase, program, and lock-bit configuration functions. It allows for: 100% TTL-level control inputs, fixed power supplies during block erasure, program, and lock-bit configuration, and minimal processor overhead with RAM-like interface timings. After initial device power-up or return from deep power-down mode (see Bus Operations), the device defaults to read array mode. Manipulation of external memory control pins allow array read, standby, and output disable operations. Status register and identifier codes can be accessed through the CUI independent of the VPP voltage. High voltage on VPP enables successful block erasure, program, and lock-bit configuration. All functions associated with altering memory contents—block erase, program, lock-bit configuration, status, and identifier codes—are accessed via the CUI and verified through the status register. Commands are written using standard micro- processor write timings. The CUI contents serve as input to the WSM that controls block erase, program, and lock-bit configuration operations. The internal algorithms are regulated by the WSM, including pulse repetition, internal verification, and margining of data. Addresses and data are internally latched during write cycles. Writing the appropriate command outputs array data, accesses the identifier codes, or outputs status register data. Interface software that initiates and polls progress of block erase, program, and lock-bit configuration can be stored in any block. This code is copied to and executed from system RAM during flash memory updates. After successful completion, reads are again possible via the Read Array command. Block erase suspend allows system software to suspend a block erase to read data from or program data to any other block. Program suspend allows system software to suspend a program to read data from any other flash memory array location. 64-Kbyte Block 1FFFFF 31 1F0000 1EFFFF 1E0000 1DFFFF 1D0000 1CFFFF 1C0000 1BFFFF 30 29 28 27 1B0000 1AFFFF 1A0000 19FFFF 190000 18FFFF 180000 17FFFF 26 25 24 23 170000 16FFFF 160000 15FFFF 150000 14FFFF 140000 13FFFF 22 21 20 19 130000 12FFFF 120000 11FFFF 110000 10FFFF 100000 0FFFFF 18 17 16 15 0F0000 0EFFFF 0E0000 0DFFFF 0D0000 0CFFFF 0C0000 0BFFFF 14 13 12 11 0B0000 0AFFFF 0A0000 09FFFF 090000 08FFFF 080000 07FFFF 10 9 8 7 070000 06FFFF 060000 05FFFF 050000 04FFFF 040000 03FFFF 6 5 4 3 030000 02FFFF 020000 01FFFF 010000 00FFFF 000000 2 1 0 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 64-Kbyte Block 8-Mbit 16-Mbit 4-Mbit Figure 5. Memory Map |
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