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23K640T-I/P Datasheet(PDF) 12 Page - Microchip Technology

Part # 23K640T-I/P
Description  64K SPI Bus Low-Power Serial SRAM
Download  28 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

23K640T-I/P Datasheet(HTML) 12 Page - Microchip Technology

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23X640
DS22126D-page 12
 2010 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 23X640 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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