View detail for Drop-In/Stand-alone Programming Circuits for AT17 Series Configurators with Atmel and Xilinx® FPGAs

Drop-In/Stand-alone Programming Circuits
for AT17 Series Configurators with
Atmel and Xilinx® FPGAs
Atmel AT17 (1) series configurators use a simple serial-access procedure to configure
one or more Field Programmable Gate Arrays (FPGAs) or Field Programmable System Level Integrated Circuits (FPSLIC™) devices.
This application note provides the drop-in/stand-alone programming circuits for AT17
Series devices with Atmel and Xilinx FPGAs. For Drop-In/Stand-alone Programming,
the configurator is programmed before dropping into the circuit that will configure the
FPGA, FPSLIC™ or the microcontroller, see Figure 1.
Figure 1. ATDH2200E Stand-alone Device Programming
AT17 Series
FPGA
Configuration
Memory
Application
Note
Parallel
Cable
DB-25M
Parallel
Port
PC
ATDH2200E
25
DB-25F
AT17 Series
Device
Socket
Rev. 3032C–CNFG–3/04
1.
AT17 = AT17LV/FXXX
1
Figure 2. Drop-In Programming of AT17LVXXX Series EEPROMs for AT6K FPGA Applications
VCC VCC
VCC
4.7 kΩ
D<0>
CCLK
CON
M2
REBOOT
1 kΩ
AT6K
M1
M0
1 kΩ
AT17LVXXX Series Device
VCC
SER_EN
DATA
CLK
CE
(1)
RESET/OE
CS
GND
Note:
1. Reset polarity level of the configurator must be set to active High (RESET/OE) by a programmer.
Figure 3. Drop-In Programming of AT17 Series EEPROMs for AT40K FPGA and AT94K FPSLIC Applications
AT40K, AT94K
RESET
RESET
M2
M1(3)
M0
D<0>
CCLK
CON
INIT
AT17 Series Device
VCC
SER_EN
DATA
CLK
CE
(2)
RESET/OE(1) READY
GND
Notes:
2
1. Reset polarity level of the configurator must be set to active Low (RESET/OE) by a programmer if an AT17LVXXX or an
ATFSXXX series configurator is used.
2. Use of the READY pin is optional.
3. Pin M1 is not available for AT94K devices.
4. ATFSXXX series configurator can be used in this circuit for AT94K FPSLIC applications.
Drop-In/Stand-alone Circuits for Atmel and Xilinx FPGAs
3032C–CNFG–3/04
Drop-In/Stand-alone Circuits for Atmel and Xilinx FPGAs
Figure 4. Drop-In Programming of AT17(5) Series EEPROMs for Xilinx and Lattice® Applications
VCC
ORCA, VIRTEX-II, VIRTEX-E,
VIRTEX, SPARTAN II, SPARTAN
XC5000, XC4000, XC3000
PROGRAM(4)
PROGRAM
M2
M1
M0
DIN
CCLK
(3)
DONE
INIT
4.7 kΩ
AT17(5) Series Device
VCC
SER_EN
DATA
CLK
CE
(2)
(1)
RESET/OE READY
GND
Notes:
1. Reset polarity level of the configurator must be set to active Low (RESET/OE) by a programmer if an AT17LVXXX or an
AT17NXXX series configurator is used.
2. Use of the READY pin is optional.
3. A 330Ω external pull-up resistor on the DONE pin is required for Virtex® and Virtex-II FPGAs. Xilinx FPGAs can use LDC
instead of the DONE pin.
4. Xilinx FPGAs can use RESET instead of the PROGRAM pin. ORCA® FPGAs can use PRGM instead of the PROGRAM pin.
5. AT17NXXX series configurator could also be used.
3
3032C–CNFG–3/04
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3032C–CNFG–3/04
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