Gates
Differences between CB's
CBI vs CBII
srkh28@gmail.com
Number of Logic Gates in FPGA
250,000
400,000
FPGA Flash
FPGA Internal Flash Memory
None
4Mb
Memory Card
Type of ext. flash storage card
SD (SPI)
MicroSD/Transflash (SPI+SDHC)
VGA Video
VGA capability
6bit
24bit + Analog stereo audio
DVI/HDMI Video
Digital video capability
None
24bit + CEC + DDC
LCD Video
LCD/TFT capability
None
24bit + Touchscreen controller
USB UART
USB UART capability
None
Yes (FT2232H)
Flash Memory
Ext flash memory available
1MB (40MHz)
16MB (50MHz)
SRAM
SRAM capacity
256KB (10nS)
512KB (10nS)
SDRAM
DRAM capacity
None
32MB (100MHz)
Audio
Audio capability
None
Yes (Delta-Sigma Stereo)
Expansion
Type of Expansion IO
50 IO Custom Connector 3.3V Only
64 IO + SPI Standard Card Edge 3.3V or 5V
ZIF IO
DIP/Module Chip Support
None
Yes - 3.3V or 5V DIP48
Dual Boot
Available Boot Sources
No
Yes (Int or Ext Jumper)
Bus Isolation
VGA capability
No
Yes
Touchscreen
LCD Touchscreen capability
No
Yes (STMPE811Q)
User Interface IO
4pin User IO capability
No
Yes (3x IO or 12bit ADC)
JTAG Controller
On board JTAG adaptor
No
Yes (FT2232H)
Audio Power Amp
Onboard audio power amplifier
No
Yes (1.2W)
User LED
LED For user applications
No
Yes (Red)
Xilinx JTAG
Xilinx Standard JTAG Connector
No
Yes (SIP6)
TAG-Connect
TAG-Connect Support
No
Yes (top and bottom)
Power Requirements
Quiescent Power Unprogrammed
0.85W (170mA@5V)
0.55W (110mA@5V)
FPGA Fast Load
FPGA loaded before reset
No
Yes (66MHz)