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3.1. Avalon-ST Configuration
The Avalon® -ST configuration scheme replaces the FPP mode available in earlier device families. Avalon® -ST is the fastest configuration scheme for Intel Agilex® 7 devices. This scheme uses an external host, such as a microprocessor, MAX® II, MAX® V, or Intel® MAX® 10 device to drive configuration. The external host controls the transfer of configuration data from external storage such as flash memory to the FPGA. The logic that controls the configuration process resides in the external host. You can use the PFL II IP with a MAX® II, MAX® V, or Intel® MAX® 10 device as the host to read configuration data from the flash memory device and configure the Intel Agilex® 7 device. The Avalon® -ST configuration scheme is called passive because the external host, not the Intel Agilex® 7 device, controls configuration.
Protocol | Data Width (bits) | Max Clock Rate | Max Data Rate | MSEL[2:0] |
---|---|---|---|---|
Avalon® -ST | 32 | 125 MHz | 4000 Mbps | 000 |
16 | 125 MHz | 2000 Mbps | 101 | |
8 | 125 MHz | 1000 Mbps | 110 |
Signal Name | Pin Type | Direction | Powered by |
---|---|---|---|
nSTATUS | SDM I/O | Output | VCCIO_SDM |
nCONFIG | SDM I/O | Input | VCCIO_SDM |
MSEL[2:0] | SDM I/O | Input | VCCIO_SDM |
CONF_DONE 8 | SDM I/O | Output | VCCIO_SDM |
AVSTx8_READY | SDM I/O | Output | VCCIO_SDM |
AVST_READY | GPIO, Dual-Purpose | Output | VCCIO |
AVSTx8_DATA[7:0] | SDM I/O | Input | VCCIO_SDM |
AVSTx8_VALID | SDM I/O | Input | VCCIO_SDM |
AVSTx8_CLK | SDM I/O | Input | VCCIO_SDM |
AVST_DATA[31:0] | GPIO, Dual-Purpose | Input | VCCIO |
AVST_VALID | GPIO, Dual-Purpose | Input | VCCIO |
AVST_CLK | GPIO, Dual-Purpose | Input | VCCIO |
Refer to the Intel Agilex® 7 Data Sheet for configuration timing estimates.
Section Content
Avalon -ST Configuration Scheme Hardware Components and File Types
Enabling Avalon-ST Device Configuration
The AVST_READY Signal
RBF Configuration File Format
Avalon-ST Single-Device Configuration
Debugging Guidelines for the Avalon -ST Configuration Scheme
IP for Use with the Avalon -ST Configuration Scheme: Parallel Flash Loader II Intel FPGA IP Core