This is the chip used in the Salae logic analyzer, and some open source stuff:

http://www.geeetech.com/wiki/index.php/CY7C68013

[ http://www.cypress.com/file/138911/download | Datasheet ]

[ http://www.cypress.com/file/126446/download | TRM ]

==== Cypress Stuff —-

EZ-USB FX2LP Manual

CY3684 EZ-USB FX2LP Development Kit

1. Install Cypress Dev Kit (CY3684Setup.exe)
   • Install inf file from C:\Cypress\USB\CY3684_EZ-USB_FX2LP_DVK\1.1\Drivers\Win8.1\x64 (Choose version for your OS)
2. Install CY7C68013 Dev tools fx2lp.exe
   • Plug in Device
3. Install sdcc
4. Install make
5. Install TortoiseSVN
6. Install Eclipse (Install for C/C++ Development)
7. Edit system path
   • “C:\WINDOWS\System32\control.exe system”
   • → Advanced system settings → Environment Variables
   • Edit 'Path'; Add:
   • C:\Program Files\SDCC\bin
   • C:\Program Files (x86)\GnuWin32\bin
   • C:\Cypress\USB\bin
8. Download gtfx2lplib.zip
   • Extract it somewhere
   • Most up to date source available from NewioIT WebSVN
9. Import gtfx2lplib into Eclipse
   • New → Makefile project with existing code
   • If dont exist, create build targets 'all' and 'clean'
   • (Right click gtfx2lplib, goto 'Build Targets' → Create, name one 'all', then create a 'clean' one)
10. Review Led and Lights
11. Run make
12. Run CyConsole EZ-USB (Start menu or “C:\Cypress\USB\bin\CyConsole.exe EZ”)
13. Download or Lg EEPROM to kit

http://www.geeetech.com/wiki/images/e/ed/CY7C68013Adevelopment_board.rar

http://www.triplespark.net/elec/periph/USB-FX2/software/index.html

https://gnosia.anu.edu.au/wiki/CY7C68013

http://allmybrain.com/2008/10/24/a-few-open-source-tips-for-the-cypress-fx2lp-ez-usb-cy7c68013a/

http://www.colecovision.eu/mcs51/CY7C68013A%20EZ-USB%20FX2LP%20USB2.0%20Development%20Board%20Serial.shtml

http://www.microlab.ti.bfh.ch/wiki/huce:microlab:projects:internal:gecko:education:ez_usb

https://github.com/djmuhlestein/fx2lib

sdcc -c ledtimer.c
sdcc ledtimer.rel -mmcs51 --xram-loc 0x2000 --xram-size 0x2000 --code-size 0x2000
packihx ledtimer.ihx > ledtimer.hex
c:\Cypress\USB\bin\Hex2bix.exe  -i -r -m 0x16000 -v 0x04B4 -p 0x8613 -c 0x41 -f 0xC2 -o ledtimer.iic ledtimer.hex