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参数资料
| 型号： | R1EX25032ATA00A#S0 |
| 厂商： | Renesas Electronics America |
| 文件页数： | 15/24页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 32K 5MHZ 8TSSOP |
| 标准包装： | 1 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 32K (4K x 8) |
| 速度： | 3MHz，5MHz |
| 接口： | SPI 串行 |
| 电源电压： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-TSSOP |
| 包装： | 标准包装 |
| 其它名称： | R1EX25032ATA00A#S0DKR |
R1EX25032Axx00A/R1EX25064Axx00A
Write Status Register (WRSR):
The Write Status Register (WRSR) instruction allows new values to be written to the Status Register. Before it can be
accepted, a Write Enable (WREN) instruction must previously have been executed. After the Write Enable (WREN)
instruction has been decoded and executed, the device sets the Write Enable Latch(WEL). The instruction sequence is
shown in the following figure. The Write Status Register (WRSR) instruction has no effect on b6, b5, b4, b1 and b0 of
the Status Register. b6, b5 and b4 are always read as 0. Chip select ( S ) must be driven high after the rising edge of
serial clock (C) that latches in the eighth bit of the data byte, and before the next rising edge of serial clock (C).
Otherwise, the Write Status Register (WRSR) instruction is not executed. As soon as chip select ( S ) is driven high, the
self-timed Write Status Register cycle (whose duration is t W ) is initiated. While the Write Status Register cycle is in
progress, the Status Register may still be read to check the value of the Write In Progress (WIP) bit. The Write In
Progress (WIP) bit is 1 during the self-timed Write Status Register cycle, and is 0 when it is completed. When the
cycle is completed, Write Enable Latch (WEL) is reset. The Write Status Register (WRSR) instruction allows the user
to change the values of the Block Protect (BP1, BP0) bits, to define the size of the area that is to be treated as read-only,
as defined in the Status Register Format table.
The Write Status Register (WRSR) instruction also allows the user to set or reset the Status Register Write Disable
(SRWD) bit in accordance with the write protect ( W ) signal. The Status Register Write Disable (SRWD) bit and write
protect ( W ) signal allows the device to be put in the Hardware Protected Mode (HPM). The Write Status Register
(WRSR) instruction is not executed once the Hardware Protected Mode (HPM) is entered.
The contents of the Status Register Write Disable (SRWD) and Block Protect (BP1, BP0) bits are frozen at their current
values just before the start of the execution of the Write Status Register (WRSR) instruction. The new, updated values
take effect at the moment of completion of the execution of Write Status Register (WRSR) instruction.
Write Status Register (WRSR) Sequence
S
W
V IH
V IL
V IH
V IL
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14
15
C
V IH
V IL
Status Register In
D
V IH
V IL
7
MSB
6
5
4
3
2
1
0
Q
REJ03C0358-0002.Rev.0.02 Jan.14.2009
page 13 of 20
High-Z
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R1EX25032ATA00G | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Serial Peripheral Interface 32k EEPROM 64k EEPROM |
| R1EX25032ATA00I | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Serial Peripheral Interface Electrically Erasable and Programmable Read Only Memory |
| R1EX25032ATA00I#S0 | 制造商:Renesas Electronics Corporation 功能描述:SERIAL EEPROM 32K, SPI, TSSOP8, I-GRADE - Tape and Reel 制造商:Renesas Electronics Corporation 功能描述:IC EEPROM 32KBIT 5MHZ 8TSSOP 制造商:Renesas Electronics Corporation 功能描述:SPI 32KB EEPROM |
| R1EX25064ASA00A | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:Serial Peripheral Interface Electrically Erasable and Programmable Read Only Memory |
| R1EX25064ASA00A#S0 | 功能描述:IC EEPROM 64K 5MHZ 8SOP RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1 系列:- 格式 - 存储器:闪存 存储器类型:闪存 - NAND 存储容量:4G（256M x 16） 速度:- 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:48-TFSOP（0.724"，18.40mm 宽） 供应商设备封装:48-TSOP I 包装:Digi-Reel® 其它名称:557-1461-6 |
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