參數(shù)資料
型號(hào)： DS1991
廠商： Maxim Integrated Products, Inc.
英文描述： MultiKey iButton(多鍵按鈕)
中文描述： 多密鑰iButton
文件頁(yè)數(shù)： 1/74頁(yè)
文件大小： 299K
代理商： DS1991
a
REV 2.1 - Information Subject to Change
Analog Devices Inc., Proprietary & Confidential
6/5/98
Page 1 of 74
a
Single-Chip, DSP-Based
High Performance Motor Controller
P
RELIMINARY
T
ECHNICAL
I
NFORMATION
ADMC401
F
EATURES
26 MIPS Fixed Point DSP Core
Single Cycle Instruction Execution (38.5 ns).
External 14-bit Address and 24-bit Data Bus.
ADSP-21xx Family Code Compatible.
16-bit Arithmetic & Logic Unit (ALU).
Hardware Multiply & Accumulate Unit (MAC).
Single Cycle 16-bit x 16-bit Multiply &
Accumulate into 40-bit Accumulator.
32-bit Shifter (Logical & Arithmetic).
Multifunction Instructions.
Single Cycle Context Switch.
Powerful Program Sequencer:
Zero Overhead Looping.
Conditional Instruction Execution.
Two Independent Data Address Generators.
Memory Configuration
2k x 24-bit Internal Program Memory RAM.
2k x 24-bit Internal Program Memory ROM.
1k x 16-bit Internal Data Memory RAM.
Address & Data Buses permit External Memory
Expansion.
High-Resolution Multichannel ADC System
12-bit Analog to Digital Converter.
Pipeline Flash Architecture.
8 Dedicated Analog Inputs.
All 8 Channels Converted in <2
μ
s.
Channels Sampled at 120 ns Intervals.
8 Dedicated, Memory-Mapped, 16-bit, 2’s
Complement Data Registers.
4.0 V peak-peak Input Voltage Range.
Ability to Synchronize Conversions to PWM.
Internal or External Convert Start.
Differential Non Linearity < 1 LSB.
Integral Non Linearity < 2 LSB.
Dedicated ADC Interrupt on end of Conversion.
Operation from Internal or External Reference.
Voltage Reference
Internal 2.5 V
±
1.0 % Voltage Reference.
Dedicated VREF pin.
Three-Phase PWM Generation Subsystem
16-bit Dedicated PWM Generator.
Edge Resolution to 38.5 ns.
Programmable Dead Time.
Programmable Minimum Pulse Width.
Double Update Mode Allows Duty Cycle & Period
Adjustment on Half Cycle Boundaries.
Special Features for Brushless DC & Switched
Reluctance Motors.
Hardware Polarity Control.
External Dedicated Asynchronous Shutdown Pin
(
PWMTRIP
).
Additional Shutdown Pins in I/O System.
Individual Enable/Disable of Each Output.
High-Frequency Chopping Mode.
Transparent Transition to Over-Modulation Range
with Duty Cycles of 100%.
Capability to Drive Optocouplers Directly (10 mA
Sink & Source Capability).
Flexible Encoder Interface Subsystem
Incremental Encoder Interface.
Dedicated Interface (Quadrature and Index Signals).
Alternative Frequency and Direction Inputs.
Programmable Filtering of Encoder Input Signals.
Glitch Detection.
16-bit Quadrature Counter.
Input Encoder Signals to 3.25 MHz.
Programmable MAXCNT Register.
Two Inputs Permit Latching of Encoder Counter
Value on External Triggers.
Optional Hardware Reset of Counter.
相關(guān)PDF資料
PDF描述
DS1992 1Kbit Memory iButton(1K位存儲(chǔ)器按鈕)
DS1993 4Kbit Memory iButton(4K位存儲(chǔ)器按鈕)
DS1994 4Kbit Plus Time Memory iButton(4K位+定時(shí)存儲(chǔ)器電子按鈕)
DS1995 16Kbit Memory iButton(4K位存儲(chǔ)器按鈕)
DS1996 64Kbit Memory iButton(16K位存儲(chǔ)器按鈕)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1991L 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
DS1991L+F5 制造商:Maxim Integrated Products 功能描述:IC MEMORY I BUTTON 1991
DS1991L-004-000+ 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1991L-702-00B+ 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1991L-F5 功能描述:iButton RoHS:否 存儲(chǔ)類型:SRAM 存儲(chǔ)容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*