EP2AGX65DF29I5N Altera, EP2AGX65DF29I5N Datasheet - Page 120

• Manufacturer Part Number: EP2AGX65DF29I5N
• Description: IC ARRIA II GX FPGA 65K 780FBGA
• Manufacturer: Altera
• Series: Arria II GXr

Specifications of EP2AGX65DF29I5N

• Number Of Logic Elements/cells: 60214
• Number Of Labs/clbs: 2530
• Total Ram Bits: 5246
• Number Of I /o: 364
• Voltage - Supply: 0.87 V ~ 0.93 V
• Mounting Type: Surface Mount
• Operating Temperature: -40°C ~ 100°C
• Package / Case: 780-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

5–16
Figure 5–12. clkena Implementation for Arria II Devices
Notes to
(1) The R1 and R2 bypass paths are not available for PLL external clock outputs.
(2) The select line is statically controlled by a bit setting in the configuration file (.sof or .pof).
Arria II Device Handbook Volume 1: Device Interfaces and Integration
Figure
Clock Enable Signals
5–12:
select multiplexer
output of clock
Figure 5–11
Figure 5–11. External PLL Output Clock Control Block Arria II Devices
Notes to
(1) n=8 for Arria II GX devices, and 8 or 11 for Arria II GZ devices.
(2) When the device is in user mode, you can only set the clock select signals through a configuration file
(3) The clock control block feeds a multiplexer in the PLL<#>_CLKOUT pin’s IOE. The PLL<#>_CLKOUT pin is a
Figure 5–12
implemented in Arria II devices.
clkena
(.sof or .pof). You cannot dynamically control the clock.
dual-purpose pin. Therefore, this multiplexer selects either an internal signal or the output of the clock control block.
Figure
D
shows the external PLL output clock control block.
shows how the clock enable/disable circuit of the clock control block is
(1)
5–11:
R1
Q
D
R2
IOE
(1)
Internal
Q
Logic
(3)
PLL<#>_CLKOUT pin
Outputs and m Counter
PLL Counter
n (1)
Enable/
Disable
(2)
Internal
Static Clock
Select (2)
Chapter 5: Clock Networks and PLLs in Arria II Devices
Logic
Static Clock Select
GCLK/
RCLK/
PLL_<#>_CLKOUT (1)
December 2010 Altera Corporation
(2)
Clock Networks in Arria II Devices