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23K256-E/P 数据表(PDF) 12 Page - Microchip Technology

部件名 23K256-E/P
功能描述  256K SPI Bus Low-Power Serial SRAM
PDF  28 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

23K256-E/P 数据表(HTML) 12 Page - Microchip Technology

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23A256/23K256
DS22100F-page 12
 2008-2011 Microchip Technology Inc.
2.6
Write Status Register Instruction
(WRSR)
The Write Status Register instruction (WRSR) allows the
user to write to the bits in the STATUS register as
shown in Table 2-2. This allows for setting of the Device
operating mode. Several of the bits in the STATUS
register must be cleared to ‘0’. See Figure 2-8 for the
WRSR timing sequence.
FIGURE 2-8:
WRITE STATUS REGISTER TIMING SEQUENCE (WRSR)
2.7
Power-On State
The 23X256 powers on in the following state:
• The device is in low-power Standby mode
(CS = 1)
• A high-to-low-level transition on CS is required to
enter active state
SO
SI
CS
9
1011
12131415
01
0
0
0
0
00
76
5
4
21
0
Instruction
Data to STATUS Register
High-Impedance
SCK
0
2
34
56
7
18
3



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