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參數(shù)資料
| 型號(hào)： | CAT5269UI-25TE13 |
| 元件分類(lèi)： | 數(shù)字電位計(jì) |
| 英文描述： | Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and 2-wire Interface |
| 中文描述： | 雙數(shù)字可編程電位計(jì)（民進(jìn)黨）與64個(gè)龍頭和2線接口 |
| 文件頁(yè)數(shù)： | 8/18頁(yè) |
| 文件大?。?/td> | 95K |
| 代理商： | CAT5269UI-25TE13 |
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8
CAT5419
Document No. 2115, Rev. F
INSTRUCTION AND REGISTER
DESCRIPTION
Instructions
SLAVE ADDRESS BYTE
The first byte sent to the CAT5419 from the master/
processor is called the Slave/DPP Address Byte. The
most significant four bits of the slave address are a
device type identifier. These bits for the CAT5419 are
fixed at 0101[B] (refer to Table 1).
The next four bits, A3 - A0, are the internal slave address
and must match the physical device address which is
defined by the state of the A3 - A0 input pins for the
CAT5419 to successfully continue the command
sequence. Only the device which slave address matches
the incoming device address sent by the master executes
the instruction. The A3 - A0 inputs can be actively driven
by CMOS input signals or tied to V
CC
or V
SS
.
INSTRUCTION BYTE
The next byte sent to the CAT5419 contains the instruction
and register pointer information. The four most significant
bits used provide the instruction opcode I [3:0]. The R1
and R0 bits point to one of the four data registers of each
associated potentiometer. The least two significant bits
point to one of two Wiper Control Registers. The format
is shown in Table 2.
Table 1. Identification Byte Format
ID3
0
(MSB)
ID2
1
ID1
0
ID0
1
A3
A2
A1
A0
(LSB)
Device Type
Identifier
Slave Address
Table 2. Instruction Byte Format
I3
I2
I1
I0
R1
R0
0
P0
(MSB)
(LSB)
Instruction
Opcode
Data Register
Selection
WCR/Pot Selection
Data Register Selected
R1
R0
DR0
0
0
DR1
0
1
DR2
1
0
DR3
1
1
Data Register Selection
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT5269WI00 | 制造商:ON Semiconductor 功能描述:DPP, NV, DUAL 256 TAPS, I2C - Rail/Tube |
| CAT5269WI-00-T1 | 功能描述:數(shù)字電位計(jì) IC DPP NV DUAL 256 TAP I2C RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5269WI50 | 功能描述:數(shù)字電位計(jì) IC Ind Temp 50K Up/Dwn RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5269WI-50 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5269WI-50-T1 | 功能描述:數(shù)字電位計(jì) IC DPP NV DUAL 256 TAP I2C RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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