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ISP1181

Features: ` Complies with Universal Serial Bus Specification Rev. 1.1 and most Device Class specifications` High performance USB interface device with integrated Serial Interface Engine (SIE), FIFO memory, transceiver and 3.3 V voltage regulator` Interrupt endpoint can be configured in 'rate feedb...

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SeekIC No. : 004381076 Detail

ISP1181: Features: ` Complies with Universal Serial Bus Specification Rev. 1.1 and most Device Class specifications` High performance USB interface device with integrated Serial Interface Engine (SIE), FIFO ...

ISP1181 Data Sheet

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Part Number:
ISP1181
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 `  Complies with Universal Serial Bus Specification Rev. 1.1 and most Device Class specifications
 `  High performance USB interface device with integrated Serial Interface Engine (SIE), FIFO memory, transceiver and 3.3 V voltage regulator
 ` Interrupt endpoint can be configured in 'rate feedback' mode
 `  High speed (11.1 Mbyte/s or 90 ns read/write cycle) parallel interface
 `  Fully autonomous and multi-configuration DMA operation
 `  Up to 14 programmable USB endpoints with 2 fixed control IN/OUT endpoints
 `  Integrated physical 2462 bytes of multi-configuration FIFO memory
 `  Endpoints with double buffering to increase throughput and ease real-time data transfer
 `  Seamless interface with most microcontrollers/microprocessors
 `  Bus-powered capability with low power consumption and low 'suspend' current
 `  6 MHz crystal oscillator with integrated PLL for low EMI
 `  Controllable LazyClock (24 kHz) output during 'suspend'
 `  Software controlled connection to the USB bus (SoftConnect™)
 `  Good USB connection indicator that blinks with traffic (GoodLink™)
 `  Clock output with programmable frequency (up to 48 MHz)
 ` Complies with the ACPI™, OnNow™ and USB power management requirements
 `  Internal power-on and low-voltage reset circuit, with possibility of a software reset
 `  Operation over the extended USB bus voltage range (4.0 to 5.5 V) with 5 V tolerant I/O pads
 `  Operating temperature range -40 to +85 °C
 `  8 kV in-circuit ESD protection for lower cost of external components
 `  Full-scan design with high fault coverage
 `  Available in a TSSOP48 package.


Application

 ·  Personal digital assistant (PDA)
 ·  Digital camera
 ·  Communication device, e.g.
    ·  router
    ·  modem
 ·  Printer
 ·  Scanner.


Pinout

Connection Diagram


Specifications

Symbol Parameter Conditions Min Max Unit
VCC supply voltage   -0.5 +6.0 V
VI input voltage   -0.5 VCC+0.5 V
Ilatchup latch-up current VI < 0 or VI > VCC - 500 mA
Vesd electrostatic discharge voltage ILI < 15 A      [1][2] - ±4000 [3] V
Tstg storage temperature   -60 +150
Ptot total power dissipation   - <tbf> mW
[1] Equivalent to discharging a 100 pF capacitor via a 1.5 kW resistor.
[2] Values are given for device only; in-circuit Vesd(max) = ±8000 V.
[3] For open-drain pins Vesd(max) = ±2000 V.


Description

The ISP1181 is a Universal Serial Bus (USB) interface device which complies with Universal Serial Bus Specification Rev. 1.1. ISP1181 provides full-speed USB communication capacity to microcontroller or microprocessor-based systems. The ISP1181 communicates with the system's microcontroller or microprocessor through a high-speed general-purpose parallel interface.

The fully autonomous Direct Memory Access (DMA) operation - auto download, auto repeat, auto execution - removes the need for the device to re-enable or re-initialize the DMA operation every time.

The modular approach to implementing a USB interface device allows the designer to select the optimum system microcontroller from the wide variety available. The ability to re-use existing architecture and firmware investments shortens development time, eliminates risks and reduces costs. The result is fast and efficient development of the most cost-effective USB peripheral solution.

The ISP1181 is ideally suited for application in many personal computer peripherals, such as printers, scanners, external mass storage (zip drive) devices and digital still cameras. It offers an immediate cost reduction for applications that currently use SCSI implementations.




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