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PDF IS25CQ032 Data sheet ( Hoja de datos )
| Número de pieza | IS25CQ032 | |
| Descripción | 32M-BIT 3V- QUAD SERIAL FLASH MEMORY | |
| Fabricantes | ISSI | |
| Logotipo |  |
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IS25CQ032
32M-BIT
3V- QUAD SERIAL FLASH MEMORY WITH
MULTI-I/O SPI
DATA SHEET
Integrated Silicon Solution, Inc.- www.issi.com
Rev. B
2/13/2014
1 page  
BLOCK DIAGRAM
IS25CQ032
CE#
SCK
SI (IO0)
SO (IO1)
WP# (IO2)
HOLD#(IO3)
Figure 1. Flash Block Diagram
Integrated Silicon Solution, Inc.- www.issi.com
Rev. B
2/13/2014
5
5 Page 
HOLD OPERATION
The HOLD# pin In SPI and Dual SPI mode allow an
operation to be paused while it is actively selected
(CE# is low).
The HOLD function may be useful in cases where
the SPI data and clock signals are shared with
other devices. See example below, Configuring
Multiple SPI Devices and Modes (0 or 3).
The HOLD function is only available for SPI and
Dual SPI operations. To initiate a HOLD operation,
the device must be selected (CE# set low) and
IS25CQ032
HOLD# pin pulled low. The HOLD operation will
activate on the falling edge of the HOLD# signal if
SCK is already low. If the SCK is not already low
the HOLD condition will begin at the next falling
edge of SCK. Inputs to SI will be ignored and SO
will be in a high impedance state. The HOLD
condition will terminate on the rising edge of the
HOLD# signal if SCK signal is already low, if not,
HOLD condition will terminate at the next SCK
falling edge. The paused operation can now
continue.
CE#
SCK
SO
tCHHL
tHLCH
tCHHH
tHZ
tHHCH
tLZ
SI
HOLD#
Figure 2. HOLD Timing Diagram
Integrated Silicon Solution, Inc.- www.issi.com
Rev. B
2/13/2014
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet IS25CQ032.PDF ] | |
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