R
XC18V00 Series In-System Programmable Configuration PROMs
OPTIONAL
Daisy-chained
FPGAs with
different
DOUT
configurations
FPGA
(2)
Vcco
OPTIONAL
Slave FPGAs
with identical
4.7K
(1)
configurations
Modes
(2)
(2)
VCCO
VCCINT
(2)
Vcco
VCCINT VCCO
(2)
Vcco
4.7K
VCCO
VCCINT
DATA
VCCINT VCCO
DATA
DIN
First
PROM
Cascaded
PROM
CCLK
CLK
CE
CLK
CE
CEO
DONE
INIT
OE/RESET
CF
OE/RESET
CF
PROGRAM
Notes:
1
2
For Mode pin connections and Done pullup value, refer to the appropriate FPGA data sheet.
For compatible voltages, refer to the appropriate FPGA data sheet.
(a) Master Serial Mode
(1)
(1)
I/O
I/O
(4)
VCCINT VCCO
(4)
External
Osc
VCCINT VCCO
(3)
CS
WRITE
(2)
Modes
1K
Vcco
1K
VIRTEX
Select MAP
(4)
Vcco
VCCINT VCCO
VCCINT VCCO
(4)
(4)
Vcco
NC
BUSY
4.7K
XC18Vxx
XC18Vxx
(2)
4.7K
CLK
CLK
CCLK
D[0:7]
DONE
INIT
8
PROGRAM
CEO
CF
CEO
CF
D[0:7]
CE
D[0:7]
CE
OE/RESET
OE/RESET
Notes:
1
2
3
4
CS and WRITE must be either driven Low or pulled down externally. One option is shown.
For Mode pin connections and Done pullup value, refer to the appropriate FPGA data sheet.
External oscillator required for Virtex/Virtex-E SelectMAP or Virtex-II/Virtex-II Pro Slave-SelectMAP modes.
For compatible voltages, refer to the appropriate FPGA data sheet.
(b) Virtex/Virtex-E/Virtex-II/Virtex-II Pro SelectMAP Mode
(1)
I/O
(4)
(1)
External
Osc
VCCINT VCCO
I/O
1K
Vcco
(3)
CS
(2)
Modes
WRITE
1K
Spartan-II,
Spartan-IIE
(4)
Vcco
VCCINT VCCO
(4)
VCCINT
(4)
NC
BUSY
3.3K
XC18Vxx
(2)
4.7K
CLK
CCLK
D[0:7]
DONE
INIT
8
PROGRAM
D[0:7]
CE
CF
OE/RESET
Notes:
1
2
CS and WRITE must be pulled down to be used as I/O. One option is shown.
For Mode pin connections and Done pullup value and if Drive Done configuration option is not active, refer to
the appropriate FPGA data sheet.
3
External oscillator required for Spartan-II/Spartan-IIE Slave-Parallel modes.
4 For compatible voltages, refer to the appropriate FPGA data sheet.
(c) Spartan-II/Spartan-IIE Slave-Parallel Mode
DS026_05_060403
Figure 7: (a) Master Serial Mode (b) Virtex/Virtex-E/Virtex-II Pro SelectMAP Mode (c) Spartan-II/Spartan-IIE
Slave-Parallel Mode (dotted lines indicate optional connection)
DS026 (v4.0) June 11, 2003
www.xilinx.com
11
Product Specification
1-800-255-7778
XILINX [ XILINX, INC ]
