參數(shù)資料
型號： M25PE80-VMN6P
廠商： 意法半導(dǎo)體
英文描述： 2A Standard Fixed Output LDO Regulators with Shutdown Switch; Package: TO220FP-5; Constitution materials list: Packing style: Tube packaging; Package quantity: 50; Minimum package quantity: 500;
中文描述： 8兆位，低電壓，頁式可擦除的字節(jié)變性，50MHz的SPI總線，標(biāo)準(zhǔn)引腳串行閃存
文件頁數(shù)： 10/61頁
文件大?。?/td> 326K
代理商： M25PE80-VMN6P
SPI modes
M25PE80
10/61
3
SPI modes
These devices can be driven by a microcontroller with its SPI peripheral running in either of
the two following modes:
CPOL=0, CPHA=0
CPOL=1, CPHA=1
●
●
For these two modes, input data is latched in on the rising edge of Serial Clock (C), and
output data is available from the falling edge of Serial Clock (C).
The difference between the two modes, as shown in
Figure 5
, is the clock polarity when the
bus master is in Stand-by mode and not transferring data:
C remains at 0 for (CPOL=0, CPHA=0)
C remains at 1 for (CPOL=1, CPHA=1)
●
●
Figure 4.
Bus master and memory devices on the SPI bus
1.
The Top Sector Lock (TSL) signal in the T7Y process, or the Write Protect (W) signal in the T9HX process,
should be driven, High or Low as appropriate.
Figure 4
shows an example of three devices connected to an MCU, on an SPI bus. Only one
device is selected at a time, so only one device drives the Serial Data Output (Q) line at a
time, the other devices are high impedance. Resistors R (represented in
Figure 4
) ensure
that the M25PE80 is not selected if the Bus Master leaves the S line in the high impedance
state. As the Bus Master may enter a state where all inputs/outputs are in high impedance
at the same time (for example, when the Bus Master is reset), the clock line (C) must be
connected to an external pull-down resistor so that, when all inputs/outputs become high
impedance, the S line is pulled High while the C line is pulled Low (thus ensuring that S and
C do not become High at the same time, and so, that the t
SHCH
requirement is met). The
typical value of R is 100 k
, assuming that the time constant R*C
p
(C
p
= parasitic
capacitance of the bus line) is shorter than the time during which the Bus Master leaves the
SPI bus in high impedance.
AI13558
SPI Bus Master
SPI Memory
Device
SDO
SDI
SCK
C
Q
D
S
SPI Memory
Device
C
Q
D
S
SPI Memory
Device
C
Q
D
S
CS3
CS2 CS1
SPI Interface with
(CPOL, CPHA) =
(0, 0) or (1, 1)
W
or
TSL
HOLD
W
or
TSL
HOLD
W
or
TSL
HOLD
R
R
R
V
CC
V
CC
V
CC
V
CC
V
SS
V
SS
V
SS
V
SS
R
相關(guān)PDF資料
PDF描述
M25PE80-VMN6TG 4 Mbit Uniform Sector, Serial Flash Memory
M25PE80-VMN6TP 4 Mbit Uniform Sector, Serial Flash Memory
M25PX32 4 Mbit Uniform Sector, Serial Flash Memory
M25PX32-VMP6E 4 Mbit Uniform Sector, Serial Flash Memory
M25PX32-VMP6F 4 Mbit Uniform Sector, Serial Flash Memory
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M25PE80-VMN6TG 制造商:NUMONYX 制造商全稱:Numonyx B.V 功能描述:8-Mbit, page-erasable serial flash memory with byte alterability, 75 MHz SPI bus, standard pinout
M25PE80-VMN6TP 功能描述:閃存 SERIAL FLASH RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
M25PE80-VMN6TPBA 制造商:Micron Technology Inc 功能描述:NOR Flash Serial-SPI 3.3V 8Mbit 1M x 8bit 8ns T/R 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel 制造商:Micron Technology Inc 功能描述:IC FLASH 8MX1 PBF SOIC 3.0V
M25PE80-VMP6 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:8 Mbit, Low Voltage, Page-Erasable Serial Flash Memory with Byte-Alterability, 50MHz SPI Bus, Standard Pin-out
M25PE80-VMP6G 功能描述:閃存 8 Mbit Lo Vltg Page Erasable Seral 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
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