Product Descriptions

The ISP1761 is a single-chip Hi-Speed Universal Serial Bus (USB) On-The-Go (OTG) Controller integrated with advanced NXP slave host controller and the NXP ISP1582 peripheral controller.

Product Features

■ Integrated Transaction Translator (TT) for Original USB (full-speed and low-speed) peripheral support

■ Three USB ports that support three operational modes:

◆ Mode 1: Port 1 is an OTG controller port, and ports 2 and 3 are host controller ports

◆ Mode 2: Ports 1, 2 and 3 are host controller ports

◆ Mode 3: Port 1 is a peripheral controller port, and ports 2 and 3 are host controller ports

■ Supports OTG Host Negotiation Protocol (HNP) and Session Request Protocol (SRP)

■ Multitasking support with virtual segmentation feature (up to four banks)

■ High-speed memory controller (variable latency and SRAM external interface)

■ Directly addressable memory architecture

■ Generic processor interface to most CPUs, such as Hitachi SH-3 and SH-4, NXP XA, Intel StrongARM, NEC and Toshiba MIPS, Freescale DragonBall and PowerPC Reduced Instruction Set Computer (RISC) processors

■ Configurable 32-bit and 16-bit external memory data bus

■ Supports Programmed I/O (PIO) and Direct Memory Access (DMA)

■ Slave DMA implementation on CPU interface to reduce the host system’s CPU load

Product Photos

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