gnICE+

The gnICE+ is the latest and most feature complete Open Source USB High-Speed JTAG In-Circuit-Emulator for Blackfin processors.

It's more than 10x faster compared to the gnICE while still being a low cost solution.

It's designed to provide both mechanically and electrically reliable JTAG debugging and CFI NOR Flash programming via USB High-Speed.

The gnICE+ JTAG Adapter Cable is Open Source Hardware based on the FT2232H chip from Future Technology Devices International Ltd.

This emulator does NOT work with VisualDSP++

Features

USB 2.0 High Speed (480Mb/s)
JTAG clock (TCK) programmable up to 30 MHz
Link Status LED
UART Activity LED
UART 3.3V TX/RX Pins accessible via trough hole pads with transfer data rates up to 12Mbaud
3 user programmable GPIOs accessible via trough hole pads with

Supported Blackfin derivatives:

Schematics can be found on the Schematics page.

See the buy_stuff page for purchasing information.

The gnICE+ features six auxiliary signals routed to through hole pads, located besides the Mini-USB Jack.

Label	Description	Note
RXD	Channel B (BDBUS1) RXD	UART RXD (3.3V IO) signal may connect to Blackfin TXD
TXD	Channel B (BDBUS0) TXD	UART TXD (3.3V IO) signal may connect to Blackfin RXD
GP1	Channel A (ACBUS2) GPIOH2	This is a General Purpose IO Signal, which can be used to RESET the board
GP2	Channel A (ACBUS3) GPIOH3	This is a General Purpose IO Signal, which can be used to RESET the board
GP3	Channel A (ACBUS4) GPIOH4	This is a General Purpose IO Signal, which can be used to RESET the board
GND	Signal Ground	In case the gnICE is connect to the board via the JATG header this can be left unconnected

RXD and TXD are 3.3Volt TTL Signals they may not be connected to RS232 typical +/- 10V UART signals