FIGURE 5-1: Timing Diagram for Writing Instructions or Data to a Digital Pot" />
參數(shù)資料
型號: MCP41100-E/P
廠商: Microchip Technology
文件頁數(shù): 10/28頁
文件大?。?/td> 0K
描述: IC POT DGTL 100K 1CH SPI 8DIP
標準包裝: 60
接片: 256
電阻(歐姆): 100k
電路數(shù): 1
溫度系數(shù): 標準值 800 ppm/°C
存儲器類型: 易失
接口: 3 線串行(芯片選擇)
電源電壓: 2.7 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應商設備封裝: 8-PDIP
包裝: 管件
MCP41XXX/42XXX
DS11195C-page 18
2003 Microchip Technology Inc.
FIGURE 5-1:
Timing Diagram for Writing Instructions or Data to a Digital Potentiometer.
FIGURE 5-2:
Command Byte Format.
SO
SI
SCK
CS
2345
67
8
9 10
1
New Register Data
D7 D6 D5 D4 D3 D2 D1 D0
P1* P0
11 12 13 14 15 16
X
C1 C0 X
X
Channel
Select
Bits
Data Registers are
loaded on rising
edge of CS. Shift
First 16 bits shifted out will always be zeros
Don’t
Care
Bits
Command
Bits
Don’t
Care
Bits
There must always be multiples of 16 clocks while CS is low or commands will abort.
The serial data out pin (SO) is only available on the MCP42XXX device.
* P1 is a ‘don’t care’ bit for the MCP41XXX.
COMMAND Byte
Data Byte
X
register is loaded
with zeros at this time.
Data is always latched
in on the rising edge
Data is always clocked out
of the SO pin after the
SO pin will always
drive low when CS
goes high.
of SCK.
falling edge of SCK.
P1* P0
Potentiometer Selections
0
Dummy Code: Neither Potentiometer
affected.
0
1
Command executed on
Potentiometer 0.
1
0
Command executed on
Potentiometer 1.
1
Command executed on both
Potentiometers.
P0
P1*
XX
X
XC1 C0
COMMAND BYTE
C1 C0 Command
Command Summary
0
None
No Command will be executed.
0
1
Write Data
Write the data contained in Data Byte to the
potentiometer(s) determined by the potenti-
ometer selection bits.
1
0
Shutdown
Potentiometer(s) determined by potentiome-
ter selection bits will enter Shutdown Mode.
Data bits for this command are ‘don’t cares’.
1
None
No Command will be executed.
Command
Selection
Bits
Potentiometer
Selection
Bits
相關PDF資料
PDF描述
VE-BWZ-MV-B1 CONVERTER MOD DC/DC 2V 60W
DS1501YE IC RTC WDOG Y2KC 5V 28-TSOP
M83723/82R2025N CONN RCPT 25POS WALL MT W/SCKT
MCP4241-502E/P IC DGTL POT DL 5K 2CH 14-DIP
M83723/76A20169 CONN PLUG 16POS STRAIGHT W/PINS
相關代理商/技術(shù)參數(shù)
參數(shù)描述
MCP41100-I 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface
MCP41100I/P 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface
MCP41100-I/P 功能描述:數(shù)字電位計 IC 256 Step SPI 100kOhm 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 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
MCP41100-I/P 制造商:Microchip Technology Inc 功能描述:Digital Potentiometer (Pots) IC
MCP41100I/SL 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Single/Dual Digital Potentiometer with SPI Interface