General description

The ISP1102 Universal Serial Bus (USB) transceiver is fully compliant with the Universal Serial Bus Specification Rev. 2.0. The ISP1102 can transmit and receive USB data at full-speed (12 Mbit/s).

The transceiver allows USB Application Specific ICs (ASICs) and Programmable Logic Devices (PLDs) with power supply voltages from 1.65 to 3.6 V to interface with the physical layer of the USB. The transceiver has an integrated 5 V-to-3.3 V voltage regulator for direct powering via the USB supply line VBUS. The transceiver has an integrated voltage detector to detect the presence of the VBUSvoltage (VCC(5.0)). When VCC(5.0)or Vreg(3.3)is lost, the D+ and D?pins can be shared with other serial protocols.

特性 Features

■Complies withUniversal Serial Bus Specification Rev. 2.0

■Supports data transfer at full-speed (12 Mbit/s)

■Integrated 5 V-to-3.3 V voltage regulator for powering via USB line VBUS

■VBUSvoltage presence indication on pin VBUSDET

■VP and VM pins function in bi-directional mode allowing pin count saving for ASIC interface

■Used as USB device transceiver or USB host transceiver

■Stable RCV output during single-ended zero (SE0) condition

■Two single-ended receivers with hysteresis

■Low-power operation

■Supports I/O voltage range from 1.65 to 3.6 V

■±12 kV ESD protection (ISP1102W) at D+, D?, VCC(5.0)and GND pins

■Full industrial operating temperature range from?40 to +85 C

■Available in HBCC16 and HVQFN14 lead-free and halogen-free packages.

Applications

■Portable electronic devices, such as:

◆Mobile phone

◆Digital Still Camera (DSC)

◆Personal Digital Assistant (PDA)

◆Information Appliance (IA).