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ATSTK94 Datasheet(PDF) 3 Page - ATMEL Corporation |
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ATSTK94 Datasheet(HTML) 3 Page - ATMEL Corporation |
3 / 24 page 3 ATSTK94 2309B–FPSLI–01/02 Switches, LEDs, and Alphanumeric Displays The user configures each Programmable Switch or LED for use, with either the FPGA or AVR portion of the FPSLIC device. Furthermore, some switches may be configured for use as AVR External Interrupts allowing simulation of external events. The board fea- tures four Alphanumeric Displays which are connected to I/O pins of the embedded AT40KAL FPGA core. Program and Run Switch The Program and Run Switch controls the connection from the download cable to the Configurator and the Configurator to the FPSLIC. In the PROG position you can use the download cable and CPS to program the configu- ration memory with your FPSLIC Bitstream file generated by System Designer. In the Run position the FPSLIC device will load the Bitstream file and run your design. If the design does not start, you can use the RESET button with JP19 in the RESET posi- tion to force a reconfiguration of the device. In the Run position, the configurator will boot the FPSLIC device with the current program. ISP and Reset Connections There are 2 device reset connections in the FPSLIC device. The AVR RESET will reset the AVR and start from the reset vector in the interrupt table. RESET will cause the whole device to reset and reboot from the Configurator. SW12 is used to perform the reset. Jumper 19 is used to determine whether it will be an AVR reset or a full device reset, see Table 1. If you have logic RESET signal in your design, you cannot use SW12 to perform this reset; you should use one of the switches SW 1 – 8 to perform your design reset. Your design reset can be connected to any User IO on the FPGA side of FPSLIC. If you are using SW1 – 8, then you should use Pin locks to assign the correct user IO for the cor- rect Switch. Button/Switch Connections The jumpers, located next to the buttons/switches control the button/switch connections, see Table 2. The left side of the jumpers are connected to LEDs, the right side of the jumpers are connected to Switches. The A and F markings indicate a connection to the AVR or the FPGA. When you press the switch it generates a “1”. Table 1. Reset Connections RESET Source Pin Hardware Settings RESET SW12 108 JP19 Set to RESET (Default) AVR RESET SW12 48 JP19 Set to AVR RESET |
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