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ISP1130

Features: · Compound USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data ransceivers and 5 V to 3.3 V voltage regulator· Complies with Universal Serial Bus Specification Rev. 1.1 and Device Class Definition for Human Interface Devices (HID)· Complies wi...

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SeekIC No. : 004381070 Detail

ISP1130: Features: · Compound USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data ransceivers and 5 V to 3.3 V voltage regulator· Complies with Universal Serial B...

ISP1130 Data Sheet

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Part Number:
ISP1130
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:

·   Compound USB hub device with integrated hub repeater, hub controller, Serial Interface Engine (SIE), data  ransceivers and 5 V to 3.3 V voltage regulator
·   Complies with Universal Serial Bus Specification Rev. 1.1 and Device Class
    Definition for Human Interface Devices (HID)
·   Complies with ACPI, OnNow and USB power management requirements
·   Supports bus-powered and hybrid-powered application
·   1 to 2 downstream ports with automatic speed detection
·   1 to 3 non-removable embedded functions, 1 dedicated for keyboard operation
·   8 ×18 scan line matrix for HID compliant keyboard applications
·   Integrated 80C51 microcontroller core with 8 kbytes mask ROM and 256 bytes data RAM
·   On-chip watchdog timer for automatic fault recovery
·   Internal power-on reset and low-voltage reset circuit
·   Individual power switching for downstream ports
·   Individual port overcurrent protection with built-in sense circuits
·   6 MHz crystal oscillator with on-chip PLL for low EMI
·   Reduced power consumption by putting microcontroller in sleep mode or power-down mode
·   Visual USB traffic monitoring (GoodLink) for hub and downstream ports
·   I2C-bus interface to read vendor ID, product ID and configuration bits from  external EEPROM
·   Operation over the extended USB bus voltage range (4.0 to 5.5 V)
·   Operating temperature range -40 to +85 °C
·   Available in 56-pin SDIP and SSOP packages.


Pinout

Connection Diagram


Specifications

Symbol Parameter Conditions Min Max Unit
VCC supply voltage   -0.5 +6.0 V
VI input voltage   -0.5 - V
Ilatchup latch-up current VI < 0 or VI > VCC - 200 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 k resistor (Human Body Model).
[2] Values are given for device only; in-circuit Vesd(max) = ±8000 V.
[3] For open-drain pins Vesd(max) = ±2000 V.


Description

The ISP1130 integrates a Universal Serial Bus (USB) hub with a keyboard controller into a single chip, which complies with Universal Serial Bus Specification Rev. 1.1 and the USB Device Class Definition for Human Interface Devices (HID). The hub has 1 to 2 downstream ports and 1 to 3 non-removable embedded functions, one of which is dedicated to the keyboard operation. The hub controller is fully implemented in hardware, ensuring a fast response to host requests.

The integrated 5 V to 3.3 V regulator allows direct connection to the USB power supply VBUS. The downstream ports are either bus-powered or hybrid-powered and can interface low-power USB devices such as a joystick or a mouse. ISP1130 uses SoftConnect™ technology to connect to the USB host upon detection of VBUS. The low power consumption in 'suspend' mode allows easy design of equipment that is compliant with the ACPI™, OnNow™ and USB power management requirements.

The integrated keyboard controller is based on the 80C51 family and has 8 kbytes of mask ROM and 256 bytes of data RAM. The code memory is protected against reading by an external device. A built-in watchdog timer resets the device in case of a microcontroller hang-up. To reduce power consumption, the microcontroller can be put in sleep mode or power-down mode.

A serial I2C-bus interface is provided for optional access to an external EEPROM. This allows the user to program the vendor ID, product ID or activate the built-in keyboard matrix.

The ISP1130 has built-in overcurrent sense inputs, supporting individual and global overcurrent protection for downstream ports. All ports (including the hub) have GoodLink™ indicator outputs for easy visual monitoring of USB traffic. The ISP1130 has a reduced frequency (6 MHz) crystal oscillator to minimize Electro Magnetic Interference (EMI). These features allow significant cost savings in system design and easy implementation of advanced USB functionality into PC peripherals.




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