Configuration Handbook - Kamami.pl

Configuring Mercury, APEX 20K (2.5 V), ACEX 1K & FLEX 10K DevicesFigure 8–11. Multiple-Device PS Configuration Using a Microprocessor When Both FPGAs Receive the SameDataMemoryADDR DATA0MicroprocessorVCC (1)VCC (1)1 kΩ 1 kΩGNDMercury, APEX 20K (2.5-V),ACEX 1K or FLEX 10K DeviceCONF_DONEMSEL0nSTATUSnCEnCEOGNDN.C. (2)DATA0nCONFIGDCLKMSEL1Mercury, APEX 20K (2.5-V),ACEX 1K or FLEX 10K DeviceGNDMSEL0CONF_DONEnSTATUSnCEDATA0nCONFIGDCLKMSEL1GNDnCEO N.C. (2)Notes to Figure 8–11:(1) The pull-up resistor should be connected to a supply that provides an acceptable input signal for all devices in thechain.(2) The nCEO pins of both devices are left unconnected when configuring the same configuration data into multipledevices.You can use a single configuration chain to configure Mercury,APEX 20K, ACEX 1K, and FLEX 10KE devices with other Altera devices.To ensure that all devices in the chain complete configuration at the sametime or that an error flagged by one device initiates reconfiguration in alldevices, all of the device CONF_DONE and nSTATUS pins must be tiedtogether.fFor more information on configuring multiple Altera devices in the sameconfiguration chain, refer to Configuring Mixed Altera FPGA Chainschapter 8 in volume 2 of the Configuration Handbook.Figure 8–12 shows the timing waveform for the PS configuration forMercury, APEX 20K, ACEX 1K, and FLEX 10KE devices when using amicroprocessor.Altera Corporation 8–25August 2005 Configuration Handbook, Volume 1