XC3S1000L-4FT256C Xilinx, Inc., XC3S1000L-4FT256C Datasheet - Page 50

• Manufacturer Part Number: XC3S1000L-4FT256C
• Description: 1000000 SYSTEM GATE 1.2 VOLT FPGA
• Manufacturer: Xilinx, Inc.

Spartan-3 FPGA Family: Functional Description
50
54
Figure 27: Configuration Flow Diagram for the Serial and Parallel Modes
No
No
and V
Sample mode pins
Clear configuration
Load configuration
INIT_ B = High?
and V
Reconfigure?
data frames
V
Yes
User mode
Power-On
CCO
Yes
sequence
Yes
Start-Up
CCINT
correct?
memory
CCAUX
CRC
Bank 4 > 1V
>1V
> 2V
www.xilinx.com
Yes
No
No
Yes
Set PROG_B Low
after Power-On
PROG_B = Low
INIT_B goes Low.
Abort Start-Up
No
DS099_26_041103
DS099-2 (v2.5) December 4, 2009
Product Specification
R