參數(shù)資料
型號(hào)： X25080V
英文描述： SPI Serial E2PROM With Block LockTM Protection
中文描述： SPI串行E2PROM的保護(hù)帶座LockTM
文件頁(yè)數(shù)： 2/15頁(yè)
文件大?。?/td> 70K
代理商： X25080V
X25080
2
Hold (
HOLD
)
HOLD
is used in conjunction with the
CS
pin to select the
device. Once the part is selected and a serial sequence
is underway,
HOLD
may be used to pause the serial
communication with the controller without resetting the
serial sequence. To pause,
HOLD
must be brought
LOW while SCK is LOW. To resume communication,
HOLD
is brought HIGH, again while SCK is LOW. If the
pause feature is not used,
HOLD
should be held HIGH
at all times.
PIN CONFIGURATION
PIN DESCRIPTIONS
Serial Output (SO)
SO is a push/pull serial data output pin. During a read
cycle, data is shifted out on this pin. Data is clocked out
by the falling edge of the serial clock.
Serial Input (SI)
SI is the serial data input pin. All opcodes, byte
addresses, and data to be written to the memory are
input on this pin. Data is latched by the rising edge of the
serial clock.
Serial Clock (SCK)
The Serial Clock controls the serial bus timing for data
input and output. Opcodes, addresses, or data present
on the SI pin are latched on the rising edge of the clock
input, while data on the SO pin change after the falling
edge of the clock input.
Chip Select (
CS
)
When
CS
is HIGH, the X25080 is deselected and the SO
output pin is at high impedance and unless an internal
write operation is underway, the X25080 will be in the
standby power mode.
CS
LOW enables the X25080,
placing it in the active power mode. It should be noted
that after power-up, a HIGH to LOW transition on
CS
is
required prior to the start of any operation.
Write Protect (
WP
)
When
WP
is LOW and the nonvolatile bit WPEN is “1”,
nonvolatile writes to the X25080 status register are
disabled, but the part otherwise functions normally.
When
WP
is held HIGH, all functions, including nonvola-
tile writes operate normally.
WP
going LOW while
CS
is
still LOW will interrupt a write to the X25080 status
register. If the internal write cycle has already been
initiated,
WP
going LOW will have no effect on a write.
The
WP
pin function is blocked when the WPEN bit in
the status register is “0”. This allows the user to install the
X25080 in a system with
WP
pin grounded and still be
able to write to the status register. The
WP
pin functions
will be enabled when the WPEN bit is set “1”.
PIN NAMES
SYMBOL
DESCRIPTION
CS
SO
SI
SCK
WP
V
SS
V
CC
HOLD
NC
Chip Select Input
Serial Output
Serial Input
Serial Clock Input
Write Protect Input
Ground
Supply Voltage
Hold Input
No Connect
DIP/SOIC
TSSOP
3090 ILL F02.2
CS
SO
WP
VSS
1
2
3
4
8
7
6
5
VCC
HOLD
SCK
SI
CS
SO
NC
NC
NC
WP
VSS
1
2
3
4
5
6
7
VCC
HOLD
NC
NC
NC
SCK
SI
14
13
12
11
10
9
8
X25080
X25080
3090 PGM T01
相關(guān)PDF資料
PDF描述
X25080PM-2.7 SPI Serial E2PROM With Block LockTM Protection
X25080VI-2.7 SPI Serial E2PROM With Block LockTM Protection
X25080VM-2.7 SPI Serial E2PROM With Block LockTM Protection
X25097M-2.7 2-Phase Dual Synchronous PWM Controller with Oscillator Synchronization and Pre-Bias Startup; A IR3621 packaged in a 28-Pin TSSOP on Tape and Reel
X25097MI-2.7 2-Phase Dual Synchronous PWM Controller with Oscillator Synchronization and Pre-Bias Startup; Similar to IR3621M with Lead-Free packaging.
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X25080V-2.7 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SPI Serial E2PROM With Block LockTM Protection
X25080VI 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SPI Serial E2PROM With Block LockTM Protection
X25080VI-2.7 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SPI Serial E2PROM With Block LockTM Protection
X25080VM 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SPI Serial E2PROM With Block LockTM Protection
X25080VM-2.7 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:SPI Serial E2PROM With Block LockTM Protection
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