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Altera Corporation
Configuration Devices for SRAM-based LUT Devices Data Sheet
Figure 3 shows the configuration device block diagram.
Figure 3. Configuration Device Block Diagram
Notes to
Figure 3:
(1)
Do not use EPC2 devices to configure FLEX 6000 devices.
(2)
The EPC1441, EPC1064, and EPC1064V devices do not support data cascading. The EPC2, EPC1, and EPC1213
devices support data cascading.
(3)
The OE pin is a bidirectional open-drain pin.
DCLK
nCS
OE
Decode
Logic
Address
DATA
DATA
Shift
Register
EPROM
Array
nCS
Decode
Logic
Address
Oscillator
Oscillator
Control
EPROM
Array
Shift
Register
DATA
DATA
DCLK
nCASC
nCASC
(2)
(2)
PLD (except FLEX 8000) Configuration Using an EPC2, EPC1, or EPC1441
FLEX 8000 Device Configuration Using an EPC1, EPC1441, EPC1213, EPC1064, or EPC1064V
Address
Counter
CLK
ENA
nRESET
Error
Detection
Circuitry
OE
(3)
Address
Counter
CLK
ENA
nRESET
(1)
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