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參數(shù)資料
| 型號： | R1EX25004ATA00A |
| 元件分類： | PROM |
| 英文描述： | 512 X 8 SPI BUS SERIAL EEPROM, PDSO8 |
| 封裝： | 4.40 X 3 MM, 0.65 MM PITCH, LEAD FREE, PLASTIC, TSSOP-8 |
| 文件頁數(shù)： | 22/22頁 |
| 文件大?。?/td> | 622K |
| 代理商： | R1EX25004ATA00A |
R1EX25002Axx00A/R1EX25004Axx00A
REJ03C0357-0002 Rev. 0.02 Jan.14 .2009
page 9 of 20
Functional Description
Status Register
The following figure shows the Status Register Format. The Status Register contains a number of status and control
bits that can be read or set (as appropriate) by specific instructions.
Status Register Format
1
BP1
BP0
WEL
WIP
Block Protect Bits
Write Enable Latch Bits
Write In Progress Bits
b0
b7
WIP bit: The Write In Progress (WIP) bit indicates whether the memory is busy with a Write or Write Status Register
cycle.
WEL bit: The Write Enable Latch (WEL) bit indicates the status of the internal Write Enable Latch.
BP1, BP0 bits: The Block Protect (BP1, BP0) bits are non-volatile. They define the size of the area to be protected
against Write instructions.
Instructions
Each instruction starts with a single-byte code, as summarized in the following table . If an invalid instruction is sent
(one not contained in the following table), the device automatically deselects itself.
Instruction Set
Instruction
Description
Instruction Format
WREN
Write Enable
0000
×110
WRDI
Write Disable
0000
×100
RDSR
Read Status Register
0000
×101
WRSR
Write Status Register
0000
×001
READ
Read from Memory Array
0000 A011
WRITE
Write to Memory Array
0000 A010
Notes: 1. “
×” is Don’t care.
2. “A” is A8 address on the R1EX25004A, and Don’t care on the R1EX25002A.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1EX25004ATA00A#S0 | 功能描述:IC EEPROM 4K 5MHZ 8TSSOP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1 系列:- 格式 - 存儲器:閃存 存儲器類型:閃存 - NAND 存儲容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱:557-1461-6 |
| R1EX25004ATA00G | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Serial Peripheral Interface 2k EEPROM 4k EEPROM |
| R1EX25004ATA00I | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Serial Peripheral Interface Electrically Erasable and Programmable Read Only Memory |
| R1EX25004ATA00I#S0 | 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 4K, SPI, TSSOP8, 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 4K, SPI, TSSOP8, I-GRADE - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:IC EEPROM 4KBIT 5MHZ 8TSSOP |
| R1EX25008ASA00A#S0 | 功能描述:IC EEPROM 8K 5MHZ 8SOP RoHS:是 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:1 系列:- 格式 - 存儲器:閃存 存儲器類型:閃存 - NAND 存儲容量:4G（256M x 16） 速度:- 接口:并聯(lián) 電源電壓:2.7 V ~ 3.6 V 工作溫度:0°C ~ 70°C 封裝/外殼:48-TFSOP（0.724"，18.40mm 寬） 供應(yīng)商設(shè)備封裝:48-TSOP I 包裝:Digi-Reel® 其它名稱:557-1461-6 |
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