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23K256-E/ST データシート(PDF) 12 Page - Microchip Technology

部品番号 23K256-E/ST
部品情報  256-Kbit SPI Bus Low-Power Serial SRAM
PDF  27 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

23K256-E/ST データシート(HTML) 12 Page - Microchip Technology

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 2008-2022 Microchip Technology Inc. and its subsidiaries
DS20002100G-page 12
23A256/23K256
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
234
567
1
8
3



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