XC3S250E Xilinx, Inc., XC3S250E Datasheet - Page 96

• Manufacturer Part Number: XC3S250E
• Description: Spartan-3E FPGA Family
• Manufacturer: Xilinx, Inc.

DS312-2 (v1.1) March 21, 2005
Advance Product Specification
R
No
No
and V
Figure 64: General Configuration Process
Sample mode pins
Clear configuration
Load configuration
INIT_ B = High?
and V
Reconfigure?
V
data frames
Yes
User mode
Power-On
CCO
Yes
sequence
Yes
Start-Up
CCINT
correct?
memory
CCAUX
CRC
Bank 4 > 1V
>1V
> 2V
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Yes
DONE pin goes High,
signaling end of
configuration
No
M[2:0] and VS[2:0]
pins are sampled on
INIT_B rising edge
No
Yes
Set PROG_B Low
after Power-On
PROG_B = Low
INIT_B goes Low.
Abort Start-Up
No
DS312-2_58_021404
Functional Description
89