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T25S16AFEPR 데이터시트(PDF) 12 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

부품명 T25S16AFEPR
상세설명  3V 128M-BIT SERIAL NOR FLASH WITH DUAL AND QUAD SPI&QPI
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제조업체  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
홈페이지  http://www.hmsemi.com/
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5. MEMORY ORGANIZATION
5.1. Flash Memory Array
The memory is organized as:
- 16,777,216bytes
- Uniform Sector Architecture 256 blocks of 64-Kbyte
- 4096 sectors of 4-Kbyte
- 65, 536 pages (256 bytes each)
Each page can be individually programmed (bits are programmed from 1 to 0). The device is Sector,
Block or Chip Erasable but not Page Erasable.
Table 5.1(1) Memory Organization
Block/ Security
Register/SFDP
Sector
Address range
Security Register 3
-
003000H
0030FFH
Security Register 2
-
002000H
0020FFH
Security Register 1
-
001000H
0010FFH
Security Register 0
(SFDP)
-
000000H
0000FFH
Block 255
4095
FFF000H
FFFFFFH
......
......
......
4080
FF0000H
FF0FFFH
Block 254
4079
FEF000H
FEFFFFH
......
......
......
4064
FE0000H
FE0FFFH
......
......
......
......
......
......
......
......
......
......
......
......
......
......
......
......
......
......
......
......
Block 2
47
02F000H
02FFFFH
......
......
......
32
020000H
020FFFH
Block 1
31
01F000H
01FFFFH
......
......
......
16
010000H
010FFFH
Block 0
15
00F000H
00FFFFH
......
......
......
0
000000H
000FFFH
Notes:
(1)These are condensed tables that use a couple of sectors as references. There are address ranges that are not explicitly
listed. All 4-kB sectors have the pattern XXX000h-XXXFFFh.
5.2. Security Registers
The
HM25Q128A provides four 256-byte Security Registers. Each register can be used to store
information that can be permanently protected by programming One Time Programmable (OTP) lock bits in
Status Register-2.
Register 0 is used byFSRKto store and protect the Serial Flash Discoverable Parameters (SFDP)
information that is also accessed by the Read SFDP command. See Table 5.1.
The three additional Security Registers can be erased, programmed, and protected individually. These
HM25Q128A



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