Altera Corporation

21

Configuration Devices for SRAM-Based LUT Devices Data Sheet

Figure 9. FLEX 8000 Multi-Device Configuration with Two EPC1 or EPC1213 Configuration Devices

Notes to

Figure 9:

(1)

The pull-resistor should be connected to the same supply voltage as the confiuration device.

(2)

All pull-up resistors are 1 k

Ω.

FLEX 8000 Device 1

"0"

"0"

"0"

Configuration

Device 1

VCC

nCS

OE

DCLK

nS/P

MSEL1

MSEL0

DATA0

nCONFIG

CONF_DONE

nSTATUS

DCLK

nCASC

DATA

VCC

(2)

VCC

VCC

FLEX 8000 Device 2

"0"

"1"

"0"

nS/P

MSEL1

MSEL0

DCLK

DATA0

nCONFIG

CONF_DONE

nSTATUS

FLEX 8000 Device 3

"0"

"1"

"0"

nS/P

MSEL1

MSEL0

DCLK

DATA0

nCONFIG

CONF_DONE

nSTATUS

Configuration

Device 2

nCS

OE

DCLK

DATA

VCC

VCC

VCC

(2)

(2)

(2)

(1)

(1)

(1)

(1)

(1)

(2)

(2)

(1)

(1)