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參數(shù)資料
| 型號(hào)： | CAT5401BI-10-TE13 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Quad Digitally Programmable Potentiometers (DPP⑩) with 64 Taps and SPI Interface |
| 中文描述： | 四數(shù)字可編程電位計(jì)（民進(jìn)黨⑩）64絲錐和SPI接口 |
| 文件頁(yè)數(shù)： | 10/18頁(yè) |
| 文件大?。?/td> | 104K |
| 代理商： | CAT5401BI-10-TE13 |
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10
CAT5401
Document No. 2010, Rev. F
when set to "1" signifies a write cycle is in progress.
The basic sequence of the three byte instructions is
illustrated in Figure 8. These three-byte instructions
exchange data between the WCR and one of the Data
Registers. The WCR controls the position of the wiper.
The response of the wiper to this action will be delayed
by t
WRL
. A transfer from the WCR (current wiper position),
to a Data Register is a write to non-volatile memory and
takes a minimum of t
WR
to complete. The transfer can
occur between one of the four potentiometers and one
of its associated registers; or the transfer can occur
between all potentiometers and one associated register.
Four instructions require a two-byte sequence to
complete, as illustrated in Figure 7. These instructions
transfer data between the host/processor and the
CAT5401; either between the host and one of the data
registers or directly between the host and the Wiper
Control Register. These instructions are:
—
XFR Data Register to Wiper Control Register
This transfers the contents of one specified Data
Register to the associated Wiper Control Register.
—
XFR Wiper Control Register to Data Register
This transfers the contents of the specified Wiper
Control Register to the specified associated
Data Register.
—
Global XFR Data Register to Wiper
Control Register
This transfers the contents of all specified Data
Registers to the associated Wiper Control
Registers.
—
Global XFR Wiper Counter Register to
Data Register
This transfers the contents of all Wiper Control
Registers to the specified associated Data
Registers.
INCREMENT/DECREMENT COMMAND
The final command is Increment/Decrement (Figure 5
and 9). The Increment/Decrement command is different
from the other commands. Once the command is issued
the master can clock the selected wiper up and/or down
in one segment steps; thereby providing a fine tuning
capability to the host. For each SCK clock pulse (t
HIGH
)
while SI is HIGH, the selected wiper will move one
resistor segment towards the R
H
terminal. Similarly, for
each SCK clock pulse while SI is LOW, the selected
wiper will move one resistor segment towards the R
L
terminal.
See Instructions format for more detail.
Figure 7. Two-Byte Instruction Sequence
Figure 8. Three-Byte Instruction Sequence
Figure 9. Increment/Decrement Instruction Sequence
0
1
0
1
A2
A0
I2
I1
I0
R1 R0 P1
SI
ID3 ID2 ID1 ID0
P0
Device ID
Internal
Address
Instruction
Opcode
Register
Address
Pot/WCR
Address
A1
A3
I3
0
0
I3
I2
I1
I0
R1 R0
ID3 ID2
ID1
ID0
Device ID
Internal
Address
Instruction
Opcode
Data
Register
Address
Pot/WCR
Address
WCR[7:0]
or
Data Register D[7:0]
0
1
0
1
A2
A1
A0
P1 P0
SI
D7
D6 D5 D4
D3 D2
D1 D0
A3
I3
I2
I1
I0
ID3 ID2 ID1ID0
Device ID
Internal
Address
Instruction
Opcode
Data
Register
Address
Pot/WCR
Address
0
1
0
1
A2
A1
A0
R0 P1
P0
SI
I
N
C
1
I
N
C
2
I
N
C
n
D
E
C
1
D
E
C
n
R1
A3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CAT5401WI00 | 功能描述:數(shù)字電位計(jì) IC DPP NV Quad 64 taps SPI 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 |
| CAT5401WI-00-T1 | 功能描述:數(shù)字電位計(jì) IC DPP NV Quad 64 taps SPI 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 |
| CAT5401WI10 | 功能描述:數(shù)字電位計(jì) IC Ind Temp 10K Up/Dwn Quad 64-Tap SPI 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 |
| CAT5401WI-10 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Catalyst Semiconductor 功能描述: |
| CAT5401WI-10-T1 | 功能描述:數(shù)字電位計(jì) IC DPP NV QUAD 64 TAPS SPI 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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