ISP1161A Datasheet, PDF(34/134 Page) NXP Semiconductors – Full-speed Universal Serial Bus single-chip host and device controller

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ISP1161A Datasheet, PDF (34/134 Pages) NXP Semiconductors – Full-speed Universal Serial Bus single-chip host and device controller

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Philips Semiconductors

ISP1161A

Full-speed USB single-chip host and device controller

9397 750 13962

Product data

However, if communication with a peripheral USB device is desired, the device should

be connected to the downstream port and pass enumeration.

// The example program for writing ATL buffer RAM

#include <conio.h>

#include <stdio.h>

#include <dos.h>

// Define register commands

#define wHcTransferCounter 0x22

#define wHcuPInterrupt 0x24

#define wHcATLBufferLength 0x2b

#define wHcBufferStatus 0x2c

// Define I/O Port Address for HC

#define HcDataPort 0x290

#define HcCmdPort 0x292

// Declare external functions to be used

unsigned int HcRegRead(unsigned int wIndex);

void HcRegWrite(unsigned int wIndex,unsigned int wValue);

void main(void)

{

unsigned int i;

unsigned int wCount,wData;

// Prepare PTD data to be written into HC ATL buffer RAM:

unsigned int PTDData[0x28]=

{

0x0800,0x1010,0x0810,0x0005, // PTD header for IN token #1

// Reserved space for payload data of IN token #1

0x0000,0x0000,0x0000,0x0000, 0x0000,0x0000,0x0000,0x0000,

0x0800,0x1008,0x0808,0x0005, // PTD header for IN token #2

// Reserved space for payload data of IN token #2

0x0000,0x0000,0x0000,0x0000,

0x0800,0x1010,0x0410,0x0005, // PTD header for OUT token #1

0x0100,0x0302,0x0504,0x0706, // Payload data for OUT token #1

0x0908,0x0b0a,0x0d0c,0x0f0e,

0x0800,0x1808,0x0408,0x0005, // PTD header for OUT token #2

0x0200,0x0604,0x0a08,0x0e0c // Payload data for OUT token #2

};

HcRegWrite(wHcuPInterrupt,0x04); // Clear EOT interrupt bit

// HcRegWrite(wHcITLBufferLength,0x0);

HcRegWrite(wHcATLBufferLength,0x1000); // RAM full use for ATL

// Set the number of bytes to be transferred

HcRegWrite(wHcTransferCounter,0x50);

wCount = 0x28; // Get word count outport

(HcCmdPort,0x00c1); // Command for ATL buffer write

Rev. 03 â 23 December 2004

34 of 134

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