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参数资料
| 型号： | MAX3421EEHJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC USB PERIPH/HOST CNTRL 32TQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 控制器类型： | USB 外设控制器 |
| 接口： | USB/串行 |
| 电源电压： | 3 V ~ 3.6 V |
| 电流 - 电源： | 15mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-TQFP |
| 供应商设备封装： | 32-TQFP（5x5） |
| 包装： | 带卷 (TR) |
| 配用： | MAX3421EVKIT-1+-ND - EVAL KIT FOR MAX3421E |
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19-3953; Rev 4; 7/13
MAX3421E
USB Peripheral/Host Controller
with SPI Interface
EVALUATION KIT AVAILABLE
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX3421E USB peripheral/host controller contains
the digital logic and analog circuitry necessary to
implement a full-speed USB peripheral or a full-/low-
speed host compliant to USB specification rev 2.0. A
built-in transceiver features ±15kV ESD protection and
programmable USB connect and disconnect. An inter-
nal serial interface engine (SIE) handles low-level USB
protocol details such as error checking and bus retries.
The MAX3421E operates using a register set accessed
by an SPI interface that operates up to 26MHz. Any SPI
master (microprocessor, ASIC, DSP, etc.) can add USB
peripheral or host functionality using the simple 3- or 4-
wire SPI interface.
The MAX3421E makes the vast collection of USB
peripherals available to any microprocessor, ASIC, or
DSP when it operates as a USB host. For point-to-point
solutions, for example, a USB keyboard or mouse inter-
faced to an embedded system, the firmware that oper-
ates the MAX3421E can be simple since only a
targeted device is supported.
Internal level translators allow the SPI interface to run at
a system voltage between 1.4V and 3.6V. USB-timed
operations are done inside the MAX3421E with inter-
rupts provided at completion so an SPI master does not
need timers to meet USB timing requirements. The
MAX3421E includes eight general-purpose inputs and
outputs so any microprocessor that uses I/O pins to
implement the SPI interface can reclaim the I/O pins
and gain additional ones.
The MAX3421E operates over the extended -40°C to
+85°C temperature range and is available in a 32-pin
TQFP package (5mm x 5mm) and a 32-pin TQFN pack-
age (5mm x 5mm).
Applications
Features
o Microprocessor-Independent USB Solution
o Software Compatible with the MAX3420E USB
Peripheral Controller with SPI Interface
o Complies with USB Specification Revision 2.0
(Full-Speed 12Mbps Peripheral, Full-/Low-Speed
12Mbps/1.5Mbps Host)
o Integrated USB Transceiver
o Firmware/Hardware Control of an Internal D+
Pullup Resistor (Peripheral Mode) and D+/D-
Pulldown Resistors (Host Mode)
o Programmable 3- or 4-Wire, 26MHz SPI Interface
o Level Translators and VL Input Allow Independent
System Interface Voltage
o Internal Comparator Detects VBUS for Self-
Powered Peripheral Applications
o ESD Protection on D+, D-, and VBCOMP
o Interrupt Output Pin (Level- or Programmable-
Edge) Allows Polled or Interrupt-Driven SPI
Interface
o Eight General-Purpose Inputs and Eight General-
Purpose Outputs
o Interrupt Signal for General-Purpose Input Pins,
Programmable Edge Polarity
o Intelligent USB SIE
o Automatically Handles USB Flow Control and
Double Buffering
o Handles Low-Level USB Signaling Details
o Contains Timers for USB Time-Sensitive
Operations so SPI Master Does Not Need to Time
Events
o Space-Saving Lead-Free TQFP and TQFN
Packages (5mm x 5mm)
Embedded Systems
Medical Devices
Microprocessors and
DSPs
Custom USB Devices
Cameras
Desktop Routers
PLCs
Set-Top Boxes
PDAs
MP3 Players
Instrumentation
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX3421EEHJ+
-40°C to +85°C
32 TQFP
—
MAX3421EETJ+
-40°C to +85°C
32 TQFN-EP*BTBG
Ordering Information
*
EP = Exposed pad.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3421EETJ+ | 功能描述:外围驱动器与原件 - PCI USB Peripheral Controller w/SPI RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX3421EETJ+T | 功能描述:外围驱动器与原件 - PCI USB Peripheral Controller w/SPI RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| MAX3421EVKIT-1+ | 功能描述:界面开发工具 MAX3421E/20E Eval Kit RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| MAX3430CPA | 功能描述:RS-485接口IC RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX3430CPA+ | 功能描述:RS-485接口IC Fail-Safe 1/4-Unit 3.3V Transceiver RoHS:否 制造商:Texas Instruments 数据速率:250 Kbps 工作电源电压:3.3 V 电源电流:750 uA 工作温度范围:- 40 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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