参数资料
型号: SST25WF040-40-5I-QAE-T
厂商: Microchip Technology
文件页数: 22/36页
文件大小: 0K
描述: IC FLASH SER 4MB 40MHZ SPI 8WSON
标准包装: 2,000
系列: SST25
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 4M (512K x 8)
速度: 40MHz
接口: SPI 串行
电源电压: 1.65 V ~ 1.95 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-WDFN 裸露焊盘
供应商设备封装: 8-WSON
包装: 带卷 (TR)
512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit 1.8V SPI Serial Flash
A Microchip Technology Company
SST25WF512 / SST25WF010 / SST25WF020 / SST25WF040
Data Sheet
gle WRSR instruction can set the BPL bit to ‘1’ to lock down the status register as well as altering the
BP0, and BP1 bits at the same time. See Table 3 for a summary description of WP# and BPL func-
tions.
CE#
SCK
MODE 3
MODE 0
0 1 2 3 4 5 6 7
MODE 3
MODE 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
STATUS
REGISTER IN
SI
SO
MSB
50 or 06
01
MSB
HIGH IMPEDANCE
7 6 5 4 3 2 1 0
MSB
1328 F20.0
Figure 20: Enable-Write-Status-Register (EWSR) or Write-Enable (WREN) and Write-Sta-
tus-Register (WRSR) Sequence
Enable-Hold (EHLD)
The 8-bit command, AAH, Enable-Hold instruction enables the HOLD functionality of the RST#/
HOLD# pin. CE# must remain active low for the duration of the Enable-Hold instruction sequence. CE#
must be driven high before the instruction is executed. See Figure 21 for the Enable-Hold instruction
sequence.
CE#
MODE 3
0 1 2 3 4 5 6 7
SCK
SI
SO
MODE 0
AA
MSB
HIGH IMPEDANCE
1328 F21.0
Figure 21: Enable-Hold Sequence
?2011 Silicon Storage Technology, Inc.
22
DS25016A
06/11
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