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參數(shù)資料
| 型號(hào)： | AT25F1024A |
| 廠商： | Atmel Corp. |
| 英文描述： | High Speed CMOS Logic Hex Buffers/Line Drivers with Inverting 3-State Outputs 16-PDIP -55 to 125 |
| 中文描述： | SPI串行存儲(chǔ)器 |
| 文件頁(yè)數(shù)： | 8/18頁(yè) |
| 文件大小： | 299K |
| 代理商： | AT25F1024A |
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8
3346C–SEEPR–7/04
READ PRODUCT ID (RDID):
The RDID instruction allows the user to read the manufac-
turer and product ID of the device. The first byte after the instruction will be the
manufacturer code (1FH = ATMEL), followed by the device code, 60H.
WRITE STATUS REGISTER (WRSR):
The WRSR instruction allows the user to select
one of four levels of protection for the AT25F1024A. The AT25F1024A is divided into
four sectors where the top quarter (1/4), top half (1/2), or all of the memory sectors can
be protected (locked out) from write. Any of the locked-out sectors will therefore be
READ only. The locked-out sector and the corresponding status register control bits are
shown in Table 4.
The three bits, BP0, BP1, and WPEN, are nonvolatile cells that have the same proper-
ties and functions as the regular memory cells (e.g., WREN, t
WC
, RDSR).
Table 3.
Read Status Register Bit Definition
Bit
Definition
Bit 0 (RDY)
Bit 0 = 0 (RDY) indicates the device is READY. Bit 0 = 1 indicates the
write cycle is in progress.
Bit 1 (WEN)
Bit 1 = 0 indicates the device is notWRITE ENABLED. Bit 1 = 1 indicates
the device is WRITE ENABLED.
Bit 2 (BP0)
See Table 4.
Bit 3 (BP1)
See Table 4.
Bits 4-6 are 0s when device is not in an internal write cycle.
Bit 7 (WPEN)
See Table 5.
Bits 0-7 are 1s during an internal write cycle.
Table 4.
Block Write Protect Bits
Level
Status Register Bits
AT25F1024A
BP1
BP0
Array Addresses
Locked Out
Locked-out
Sector(s)
0
0
0
None
None
1(1/4)
0
1
018000 - 01FFFF
Sector 4
2(1/2)
1
0
010000 - 01FFFF
Sector 3, 4
3(All)
1
1
000000 - 01FFFF
All sectors
(1 - 4)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT25F1024 | High Speed CMOS Logic Hex Buffers/Line Drivers with Non-Inverting 3-State Outputs 16-SOIC -55 to 125 |
| AT25F512 | SPI Serial Memory |
| AT25F512N-10SI-2.7 | SPI Serial Memory |
| AT25F1024N-10SI-2.7 | High Speed CMOS Logic Hex Buffers/Line Drivers with Inverting 3-State Outputs 16-PDIP -55 to 125 |
| AT25F2048N-10SU-2.7 | 24 Characters x 2 Lines, 5x7 Dot Matrix Character and Cursor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT25F1024A_07 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1Mbit High Speed SPI Serial Flash Memory 1M (131,072 x 8) |
| AT25F1024AN-10SU-2.7 | 功能描述:IC FLASH 1MBIT 33MHZ 8SOIC RoHS:是 類別:集成電路 (IC) >> 存儲(chǔ)器 系列:- 標(biāo)準(zhǔn)包裝:96 系列:- 格式 - 存儲(chǔ)器:閃存 存儲(chǔ)器類型:FLASH 存儲(chǔ)容量:16M（2M x 8，1M x 16） 速度:70ns 接口:并聯(lián) 電源電壓:2.65 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP 包裝:托盤 |
| AT25F1024AY4-10YU-2.7 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1Mbit High Speed SPI Serial Flash Memory 1M (131,072 x 8) |
| AT25F1024C1-10CC-2.7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
| AT25F1024C1-10CI-2.7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:SPI Serial EEPROM |
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