23K256 MICROCHIP [Microchip Technology], 23K256 Datasheet - Page 12
23K256
Manufacturer Part Number
23K256
Description
256K SPI Bus Low-Power Serial SRAM
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.23K256.pdf
(28 pages)
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23X256
2.6
The Write Status Register instruction (WRSR) allows the
user to write to the bits in the STATUS register as
shown in
operating mode. Several of the bits in the STATUS
register must be cleared to ‘0’. See
WRSR timing sequence.
FIGURE 2-8:
2.7
The 23X256 powers on in the following state:
• The device is in low-power Standby mode
• A high-to-low-level transition on CS is required to
DS22100E-page 12
(CS = 1)
enter active state
CS
SI
SO
SCK
Write Status Register Instruction
(WRSR)
Power-On State
Table
2-2. This allows for setting of the Device
0
0
WRITE STATUS REGISTER TIMING SEQUENCE (WRSR)
0
1
0
Instruction
2
0
3
Figure 2-8
0
4
0
5
for the
High-Impedance
0
6
1
7
7
8
6
9
Data to STATUS Register
10
5
11
4
2010 Microchip Technology Inc.
12
3
13
2
14
1
15
0