SPI/I2C Protocol Emulator

REX-USB61

Product overview

REX-USB61 SPI/I2C Protocol Emulator converts PC USB transactions to the SPI/I2C Bus.
REX-USB61 enables you to easily control from a PC a variety of devices with SPI/I2C Bus.
This product includes SPI/I2C control utility software.
The SPI/I2C control utility can control SPI/I2C devices and GPO(General Purpose Output) signals.
It also can save setting parameter and logging data to the file.

This product is the Japanese version, but it is available in English version of Windows.
You can download User's Manual in English(pdf) and Sample programs in English.

Features

Supports both serial Bus interface SPI and I2C.
Supports SPI Bus master mode.
Supports both I2C Bus mode master and slave.
Can be supplied power to the products and devices connected by itself
Includes split Cable with Housing connector
Includes utility software for operating the SPI/I2C Bus protocol
Batch scripting capability with the REX-USB61 Batch Script language.
Includes library for supporting the application development.

System Requirements

Supportted Computer
Windows PC with Hi-Speed USB(480Mbps) ports
Supported Operationg System
Windows 8/7/Vista/XP
*Also works on 64bit version.

Specifications

Hardware specifications

Items	Specification
Host Interface	USB2.0 Full Speed Device
Connector	USB mini B connector
Voltage	5V (via USB bus power)
Consumption Current	100mA
Device Interface	SPI　Master　　　　　 Max. frequency 12MHz I2C　Master/Slave 　Frequency 47KHz～1MHz
Input/Output level	[Output] 3.3V/5V [Input] 1.8V/5.0V is enabled with external P/S
Dimension	57(W) x 75(D) x 18(H) mm
Weight	Approx.60g (except cable)
Operating environment	Temperature:5～55℃ Humidity:20～80% (non condensing)

* REX-USB61 can only use 1 device. On the other hand, REX-USB61M can use multiple devices.

Software List

Title	Name	Description
Setting file	usb61.inf	For Windows Vista/XP/XP x64/2000 Setting file for REX-USB61
Installer	Setup.exe	For Windows7/7 x64/Vista x64 Installer
Utility	Usb61Uty.exe	Utility to control SPI/I2C
Script file	I2C_scrupt.txt SPI_script.txt	REX-USB61 Batch Script file
Sample program	EEPROMRWUty I2CSlaveSample	Sample program to send/receive SPI/I2C Sample program for I2C slave (VC6.0/VB6.0/VB2005/C#)
Library	usb61api.dll usb61def.h usb61api.bas usb61api.vb	Library to control SPI/I2C devices Header file for Visual C Module for Visual Basic Code file for Visual Basic
ActiveX control	usb61api.ocx	ActiveX control
Uninstall utility	USB61_uninst.exe	For Windows XP/XP x64/2000 Utility to delete INF file

Comparison table for USB61 and USB61mk2

Product	USB61mk2	USB61
Product	High Grade model	Standard model
■SPI
Frequency (SCK)	762Hz～50MHz *1	1kHz～12MHz *1
Bus width	Single/Dual/Quad	Single
Device Mode	Master / Slave (Slave 2ch)	Master only
Transfer size	32bit(Max)	8bit
■I2C
Frequency (SCL)	100kHz, 400kHz, 1MHz, 3.4MHz, 5MHz 762Hz～5MHz *1	100kHz/400kHz/1MHz (5V only for over 400kHz), 47kHz～1MHz *1
Communication mode	Standard-Mode, Fast-Mode, Fast-Mode Plus, High-Speed, Ultra Fast-Mode	Standard-Mode, Fast-Mode
Device mode	Master / Slave (Slave 2ch)	Master / Slave
Address mode	10bit/7bit	10bit/7bit (Slave mode support 7bit only)
■Common specifications
Power supply for devices	1.8V, 2.5V, 3.3V, 5.0V (Max100mA)	3.3V, 5.0V(Max100mA)
DIO	8bit　（Each 1bit can switch IN/OUT)	DO 4bit（Only when I2C is used)
Script control function	Communication mode, setting for speed, Read/Write from/to each device, Read from files, Save to files, bit operation, branch/registers(16pcs)/ dialog display	Communication mode, setting for speed, Read/Write from/to each device, Read from files, Save to files
Virtual COM mode	Communication mode, setting for speed, Read/Write from/to each device/DIO control	non-support
Connection to PC	USB2.0 Hi-Speed Micro-B	USB2.0 Full-Speed Mini-B
Supported OS	Windows 10, 8.1, 8, 7, Vista ※Compatible with both 32bit・64bit	Windows 10, 8.1, 8, 7, Vista, XP(SP2), 2000(SP4) ※Compatible with both 32bit・64bit
Sample program	Visual C++ 2010, 2005, 6.0 Visual C# 2010, 2005 Visual Basic2010, 2005, 6.0
Dimension・Weight(except cable)	2.72[L] x 4.53[W] x 0.77[H] in (69[L]×115[W]×19.5[H] mm) Approx. 3.46oz (Approx. 98g)	2.25[L] x 2.96[W] x 0.71[H] in (57[L] x 75[W] x 18[H] mm) Approx. 2.12oz(Approx.60g)
Accessories	Body, USB cable（Approx. 3.28ft (Approx. 1m)), 20pin device cable 5.91in(15cm)), CD-ROM（Drivers, Software, User's manual), Warranty card

*1 Approximation calculated by controller inside of USB61/USB61mk2

Others

REX-USB61

SPI/I2C Protocol Emulator REX-USB61