EP1S20F484C6N Altera, EP1S20F484C6N Datasheet - Page 600

• Manufacturer Part Number: EP1S20F484C6N
• Description: IC STRATIX FPGA 20K LE 484-FBGA
• Manufacturer: Altera
• Series: Stratix®r

Specifications of EP1S20F484C6N

• Number Of Logic Elements/cells: 18460
• Number Of Labs/clbs: 1846
• Total Ram Bits: 1669248
• Number Of I /o: 361
• Voltage - Supply: 1.425 V ~ 1.575 V
• Mounting Type: Surface Mount
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 484-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of Gates: -

Finite Impulse Response (FIR) Filters
7–22
Stratix Device Handbook, Volume 2
clock, the users needs to load coefficients of the polyphase filter h
so on.
output, y(n), is clocked using the 4 clock.
Table 7–10. Polyphase Interpolation (I=4) Filter Coefficient Loading
Schedule
Cycle of 4 Clock
Table 7–10
1, 5,...
2, 6,...
3, 7,...
4, 8,...
summarizes the coefficient loading schedule. The
h(2), h(6), h(10), h(14)
h(3), h(7), h(11), h(15)
h(0), h(4), h(8), h(12)
h(1), h(5), h(9), h(13)
Coefficients to Load
Corresponding RAM/ROM
Altera Corporation
0, 1, 2, 3
0, 1, 2, 3
0, 1, 2, 3
0, 1, 2, 3
September 2004
1
(n) and