R
XC18V00 Series of In-System Programmable Configuration PROMs
OPTIONAL
Daisy-chained
FPGAs with
different
DOUT
configurations
FPGA
OPTIONAL
V
CC
Slave FPGAs
with identical
configurations
4.7K
(1)
Modes
Vcco
Vcc
V
CC
(2)
**
V
CC
4.7K
V
V
CC CCO
DATA
DATA
CLK
CE
DIN
First
PROM
Cascaded
PROM
CCLK
CLK
CE
CEO
DONE
INIT
OE/RESET
CF
OE/RESET
CF
PROGRAM
(Low Resets the Address Pointer)
(1) For Mode pin connections, refer to the appropriate FPGA data sheet.
(2) Virtex is 300 ohms.
Master Serial Mode
(1)
I/O
(1)
External
(4)
V
V
V
V
V
V
I/O
CC
CC
CCO
CC
CCO
Osc
CS
Modes
WRITE
1K
1K
VIRTEX
Select MAP
3.3V
V
V
CCO
CC
CCO
V
CC
V
CC
NC
BUSY
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
(1) CS and WRITE must be pulled down to be used as I/O. One option is shown.
(2) Virtex, Virtex-E is 300 ohms, all others are 4.7K.
(3) For Mode pin connections, refer to the appropriate FPGA data sheet.
(4) External oscillator required for Virtex/E SelectMAP or Virtex-II Slave SelectMAP modes.
Virtex SelectMAP Mode
V
CC
V
CC
CS(0)
To Additional
Optional
Daisy-chained
Devices
CS(1)
V
CC
M0
M1
M0
M1
DOUT
V
V
V
V
V
CC
CC
CCO
CS
V
CC
3.3K
CS
3.3K
Optional
Spartan-II,
Spartan- IIE
3.3K
Daisy-chained
Spartan-II,
Spartan-IIE
D[0:7]
CC
CCO
8
D[0:7]
D[0:7]
CEO
CE
XC18Vxx
CF
DONE
PROGRAM
PROGRAM DONE
INIT
INIT
OE/RESET
CLK
CCLK
CCLK
To Additional
Optional
Daisy-chained
Devices
External Osc
Spartan-II/IIE Slave-Parallel Mode
DS026_05_111201
Figure 6: (a) Master Serial Mode (b) Virtex SelectMAP Mode (c) Spartan-II/IIE Slave-Parallel Mode
(dotted lines indicate optional connection)
10
www.xilinx.com
DS026 (v3.0) November 12, 2001
1-800-255-7778
Product Specification
XILINX [ XILINX, INC ]
