EP3C16F484A7N Altera, EP3C16F484A7N Datasheet - Page 93
EP3C16F484A7N
Manufacturer Part Number
EP3C16F484A7N
Description
Cyclone III
Manufacturer
Altera
Datasheet
1.EP3C16F484A7N.pdf
(274 pages)
Specifications of EP3C16F484A7N
Family Name
Cyclone III
Number Of Logic Blocks/elements
15408
# I/os (max)
346
Frequency (max)
437.5MHz
Process Technology
65nm
Operating Supply Voltage (typ)
1.2V
Logic Cells
15408
Ram Bits
516096
Operating Supply Voltage (min)
1.15V
Operating Supply Voltage (max)
1.25V
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
484
Package Type
FBGA
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP3C16F484A7N
Manufacturer:
ALTERA
Quantity:
717
Part Number:
EP3C16F484A7N
Manufacturer:
ALTERA/阿尔特拉
Quantity:
20 000
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Chapter 5: Clock Networks and PLLs in the Cyclone III Device Family
PLL Reconfiguration
© December 2009
Altera Corporation
Charge Pump and Loop Filter
You can reconfigure the charge pump and loop filter settings to update the PLL
bandwidth in real time.
charge pump (ICP), loop filter resistor (R), and capacitor (C) values for Cyclone III
device family PLLs.
Table 5–5. Charge Pump Bit Control
Table 5–6. Loop Filter Resistor Value Control
Table 5–7. Loop Filter Control of High Frequency Capacitor
Bypassing PLL Counter
Bypassing a PLL counter results in a multiply (M counter) or a divide (N, C0 to C4
counters) factor of one.
LFR[4]
0
0
0
0
1
1
1
1
1
1
1
CP[2]
0
1
1
1
LFC[1]
0
0
1
LFR[3]
0
0
0
1
0
0
0
1
1
1
1
Table 5–5
CP[1]
0
0
1
1
LFR[2]
through
0
0
1
0
0
0
1
0
0
1
1
LFC[0]
0
1
1
Table 5–7
LFR[1]
0
1
0
0
0
1
0
0
1
0
1
CP[0]
list the possible settings for
0
0
0
1
Cyclone III Device Handbook, Volume 1
LFR[0]
0
1
0
0
0
1
0
0
1
0
0
Setting (Decimal)
Setting (Decimal)
0
1
3
(Decimal)
0
1
3
7
Setting
16
19
20
24
27
28
30
0
3
4
8
5–29
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