XC5VLX220-2FF1760I Xilinx Inc, XC5VLX220-2FF1760I Datasheet - Page 28

• Manufacturer Part Number: XC5VLX220-2FF1760I
• Description: IC FPGA VIRTEX-5 220K 1760FBGA
• Manufacturer: Xilinx Inc
• Series: Virtex™-5 LXr

Specifications of XC5VLX220-2FF1760I

• Number Of Logic Elements/cells: 221184
• Number Of Labs/clbs: 17280
• Total Ram Bits: 7077888
• Number Of I /o: 800
• Voltage - Supply: 0.95 V ~ 1.05 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 1760-BBGA, FCBGA
• For Use With: HW-AFX-FF1760-500-G - BOARD DEV VIRTEX 5 FF1760
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Number Of Gates: -

Chapter 1: Clock Resources
28
Global Clock Buffer Primitives
The primitives in
Table 1-2: Global Clock Buffer Primitives
BUFGCTRL
The BUFGCTRL primitive shown in
clocks. All other global clock buffer primitives are derived from certain configurations of
BUFGCTRL. The ISE® software tools manage the configuration of all these primitives.
BUFGCTRL has four select lines, S0, S1, CE0, and CE1. It also has two additional control
lines, IGNORE0 and IGNORE1. These six control lines are used to control the input I0 and
I1.
X-Ref Target - Figure 1-1
Notes:
1. All primitives are derived from a software preset of BUFGCTRL.
2. This primitive replaces the BUFGMUX_VIRTEX4 primitive.
BUFGCTRL
BUFG
BUFGCE
BUFGCE_1
BUFGMUX
BUFGMUX_1
BUFGMUX_CTRL
Primitive
(1)
Table 1-2
(2)
www.xilinx.com
Figure 1-1: BUFGCTRL Primitive
are different configurations of the global clock buffers.
Input
I0, I1
I0, I1
I0, I1
I0, I1
I
I
I
IGNORE1
CE1
S1
I1
I0
S0
CE0
IGNORE0
Figure
Output
BUFGCTRL
O
O
O
O
O
O
O
ug190_1_01_032206
1-1, can switch between two asynchronous
CE0, CE1, IGNORE0, IGNORE1, S0, S1
–
CE
CE
S
S
S
O
Control
Virtex-5 FPGA User Guide
UG190 (v5.3) May 17, 2010