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參數(shù)資料
| 型號： | LP55281TLX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | Quad RGB Driver |
| 中文描述： | LED DISPLAY DRIVER, PBGA36 |
| 封裝： | 3 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, MICRO SMD-36 |
| 文件頁數(shù)： | 19/28頁 |
| 文件大?。?/td> | 1313K |
| 代理商： | LP55281TLX |
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Control Interface
The LP55281 supports two different interface modes:
SPI interface (4 wire, serial)
I
2
C compatible (2 wire, serial)
User can define the serial interface by IF_SEL pin. If IF_SEL
= 0, I
2
C mode is selected.
SPI INTERFACE
LP55281 is compatible with SPI serial bus specification and
it operates as a slave. The transmission consists of 16-bit
Write and Read Cycles. One cycle consists of a 7 Address
bits, 1 Read/Write (RW) bit and 8 Data bits. RW bit high state
defines a Write Cycle and low a Read Cycle. SO output is
normally in high-impedance state and it is active only when
Data is sent out during a Read Cycle. A pull-up resistor may
be needed in SO line if a floating logic signal can cause un-
intended current consumption in the input circuits where SO
is connected. The Address and Data are transmitted MSB
first. The Slave Select signal (SS) must be low during the Cy-
cle transmission. SS resets the interface when high and it has
to be taken high between successive Cycles. Data is clocked
in on the rising edge of the clock signal (SCK), while data is
clocked out on the falling edge of SCK.
20201123
SPI Write Cycle
20201124
SPI Read Cycle
20201125
SPI Timing Diagram
19
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP55281TLX/NOPB | 功能描述:LED照明驅(qū)動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP-554770-2S-4M | 制造商:Alpha 3 Manufacturing 功能描述: |
| LP5550 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PowerWise Technology Compliant Energy Management Unit |
| LP5550SQ | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
| LP5550SQ/NOPB | 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel |
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